Telit Wireless Solutions MS Bluetooth LE module User Manual Stollmann Dokumentation

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BlueMod+S/AI
Hardware Reference
Release r00d01
BlueMod+S/AI
Hardware Reference
Note
This device was developed for the purpose of communication in an office environment. It is
intended solely for our industrial clients for physical integration into their own technical products
after careful examination by experienced technical personnel for its suitability for the intended
purpose. The device was not developed for or intended for use in any specific customer
application. The firmware of the device may have to be adapted to the specific intended modalities
of use or even replaced by other firmware in order to ensure flawless function in the respective
areas of application. Performance data (range, power requirements, etc.) may depend on the
operating environment, the area of application, the configuration, and method of control, as well as
on other conditions of use; these may deviate from the technical specifications, the Design Guide
specifications, or other product documentation. The actual performance characteristics can be
determined only by measurements subsequent to integration. Variations in the performance data of
mass-produced devices may occur due to individual differences between such devices. Device
samples were tested in a reference environment for compliance with the legal requirements
applicable to the reference environment. No representation is made regarding the compliance with
legal, regulatory, or other requirements in other environments. No representation can be made and
no warranty can be assumed regarding the suitability of the device for a specific purpose as
defined by our customers. Stollmann reserves the right to make changes to the hardware or
firmware or to the specifications without prior notice or to replace the device with a successor
model. Of course, any changes to the hardware or firmware of any devices for which we have
entered into a supply agreement with our customers will be made only if, and only to the extent
that, such changes can reasonably be expected to be acceptable to our customers. No general
commitment will be made regarding periods of availability; these must be subject to individual
agreement. All agreements are subject to our Terms and Conditions for Deliveries and Payments,
a copy of which is available from Stollmann.
Copyright © 2013 Stollmann E+V GmbH
Trademarks
The Bluetooth® word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such
marks by Stollmann E+V GmbH is under license. Other trademarks and trade names are those of
their respective owners.
www.stollmann.de
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BlueMod+S/AI
Hardware Reference
Table of contents
Introduction .............................................................................................................................. 8
1.1
Feature Summary ............................................................................................................. 8
1.2
Applications ...................................................................................................................... 9
Support for any additional profile is possible on request........................................................... 9
1.2.1
General Cable Replacement ...................................................................................... 9
1.2.2
Industry ...................................................................................................................... 9
1.2.3
POS/Advertising ........................................................................................................ 9
1.2.4
Healthcare and Medical ............................................................................................. 9
1.2.5
Sports and Fitness ..................................................................................................... 9
1.2.6
Entertainment ............................................................................................................ 9
Block Diagram ....................................................................................................................... 10
Application Interface .............................................................................................................. 11
3.1
Power Supply ................................................................................................................. 11
3.2
Power-up Slew-Rate ....................................................................................................... 11
3.3
Reset .............................................................................................................................. 12
3.4
Serial Interface................................................................................................................ 14
3.4.1
3-Wire Serial Interface ............................................................................................. 15
3.4.2
Baudrate Deviation .................................................................................................. 16
3.5
GPIO Interface ................................................................................................................ 17
3.6
I2C Interface .................................................................................................................... 17
3.7
SPI Serial Peripheral Interface ........................................................................................ 18
3.8
Bluetooth Radio Interface ............................................................................................... 18
3.9
Slow Clock Interface ....................................................................................................... 19
3.9.1
SLCK Specification (External Supplied Signal) ........................................................ 19
3.9.2
32,768 kHz Crystal Oscillator Specification (32k XOSC) .......................................... 19
3.9.3
Connection of an External 32,768 kHz Crystal ......................................................... 20
3.10
Test Mode Enable ........................................................................................................... 20
3.11
Operating in a Power-Switched Environment .................................................................. 21
3.12
Serial Wire Interface ....................................................................................................... 21
Module Pins ........................................................................................................................... 22
4.1
Pin Numbering ................................................................................................................ 22
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BlueMod+S/AI
Hardware Reference
4.2
Pin Description................................................................................................................ 23
4.2.1
General Pin Description ........................................................................................... 23
4.2.2
Application Specific Pin Description ......................................................................... 24
4.2.2.1
4.3
Handling of Unused Signals ............................................................................................ 25
Electrical Characteristics ........................................................................................................ 26
5.1
Absolute Maximum Ratings ............................................................................................ 26
5.2
Electrical Requirements .................................................................................................. 26
5.3
Operating Conditions ...................................................................................................... 26
5.4
Environmental Requirements .......................................................................................... 27
5.5
DC Parameter ................................................................................................................. 27
5.5.1
General Purpose I/O (GPIO) .................................................................................... 27
5.5.2
EXT-RES# ............................................................................................................... 28
5.5.3
External Slow Clock SLCK ....................................................................................... 28
5.6
Power Consumption and Power Down Modes ................................................................ 29
5.6.1
5.7
Terminal I/O Configuration ....................................................................................... 29
RF Performance ............................................................................................................. 31
5.7.1
BLE Receiver ........................................................................................................... 31
5.7.2
BLE Transmitter ....................................................................................................... 32
5.7.3
Antenna-Gain and Radiation Pattern ....................................................................... 34
5.8
TIO Pin Configuration ........................................................................................... 24
Power-Up Time ............................................................................................................... 34
Mechanical Characteristics .................................................................................................... 35
6.1
Dimensions ..................................................................................................................... 35
6.2
Recommended Land Pattern .......................................................................................... 35
6.3
Re-flow Temperature-Time Profile .................................................................................. 36
6.4
Placement Recommendation .......................................................................................... 37
6.5
Housing Guidelines ......................................................................................................... 37
6.6
Antenna Issues ............................................................................................................... 37
6.7
Safety Guidelines............................................................................................................ 38
Application Diagram ............................................................................................................... 39
Approvals/Certifications ......................................................................................................... 40
8.1
Declaration of Conformity CE .......................................................................................... 40
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BlueMod+S/AI
Hardware Reference
8.2
FCC Compliance ............................................................................................................ 40
8.2.1
FCC Grant ............................................................................................................... 41
8.2.2
FCC Statement ........................................................................................................ 42
8.2.3
FCC Caution ............................................................................................................ 42
8.2.4
FCC Warning ........................................................................................................... 42
8.2.5
FCC RF-exposure Statement................................................................................... 42
8.2.6
FCC Labeling Requirements for the End Product .................................................... 43
8.3
IC Compliance ................................................................................................................ 44
8.3.1
IC Grant ................................................................................................................... 44
8.3.2
IC Statement............................................................................................................ 44
8.3.3
IC Caution................................................................................................................ 44
8.3.4
IC RF-exposure Statement ...................................................................................... 45
8.3.5
IC Labeling Requirements for the End Product ........................................................ 45
8.3.6
IC Label Information BlueMod+S ............................................................................. 45
8.4
Bluetooth Qualification .................................................................................................... 45
8.5
RoHS Declaration ........................................................................................................... 46
Related Documents ............................................................................................................... 47
10
Packing ............................................................................................................................... 48
10.1
Tape ............................................................................................................................... 49
10.2
Reel ................................................................................................................................ 49
10.3
Package Label ................................................................................................................ 50
11
Ordering Information ........................................................................................................... 51
11.1
Part Numbers.................................................................................................................. 51
11.2
Standard Packing Unit .................................................................................................... 51
11.3
Evaluation Kit .................................................................................................................. 51
12
History ................................................................................................................................. 51
List of Figures
Figure 1: BlueMod+S/AI Block Diagram ........................................................................................ 10
Figure 2: BlueMod+S Example Power Supply with LDO ............................................................... 11
Figure 3: BlueMod+S Example Reset ........................................................................................... 12
Figure 4: Serial Interface Signals .................................................................................................. 14
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BlueMod+S/AI
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Figure 5: BlueMod+S Example Serial Interface (RS-232) Supporting UICP .................................. 15
Figure 6: BlueMod+S Example Serial Interface (Mixed Signal Level) ............................................ 16
Figure 7: BlueMod+S I2C Interface ................................................................................................ 17
Figure 8: BlueMod+S SPI Interface (Example: Master Mode) ....................................................... 18
Figure 9: BlueMod+S connection of external XTAL ....................................................................... 20
Figure 10: BlueMod+S Pin Numbering (Top View) ........................................................................ 22
Figure 11: Typical Antenna Radiation Pattern at 2402MHz ........................................................... 34
Figure 12: Typical Antenna Radiation Pattern at 2441MHz ........................................................... 34
Figure 13: Typical Antenna Radiation Pattern at 2480MHz ........................................................... 34
Figure 14: BlueMod+S/AI Dimensions .......................................................................................... 35
Figure 15: BlueMod+S Land Pattern ............................................................................................. 35
Figure 16: Soldering Temperature-Time Profile (For Reflow Soldering) ........................................ 36
Figure 17: BlueMod+S/AI Placement Recommendation ................................................................ 37
Figure 18: Typical Application Schematics .................................................................................... 39
List of Tables
Table 1: Power up Rise Time Requirements ................................................................................. 11
Table 2: Pin States during Reset................................................................................................... 13
Table 3: Deviation of Baudrates .................................................................................................... 16
Table 4: 32,768kHz Crystal Oscillator ........................................................................................... 19
Table 5: General Pin Assignment .................................................................................................. 23
Table 6: Application Specific Pin Assignments, TIO ...................................................................... 24
Table 7: Absolute Maximum Ratings ............................................................................................. 26
Table 8: Electrical Requirements .................................................................................................. 26
Table 9: DC Operating Conditions ................................................................................................ 26
Table 10: Environmental Requirements ........................................................................................ 27
Table 11: DC Characteristics, Digital IO ........................................................................................ 27
Table 12: DC Characteristics, EXT-RES# ..................................................................................... 28
Table 13: DC Characteristics, SLCK ............................................................................................. 28
Table 14: Supply Current Sleep Modes, no Radio Activity ............................................................ 29
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BlueMod+S/AI
Hardware Reference
Table 15: Supply Current BLE Terminal I/O Profile, Peripheral Device Role ................................. 30
Table 16: RF Performance BLE Receiver ..................................................................................... 31
Table 17: RF Performance BLE Transmitter ................................................................................. 33
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BlueMod+S/AI
Hardware Reference
1 Introduction
This Hardware Reference documents how the BlueMod+S/AI can be integrated into customer
systems. It addresses hardware specifications of the BlueMod+S/AI and requirements of the
hardware environments for the BlueMod+S/AI.
Notation: The term BlueMod+S refers to the BlueMod+S/AI and is used as an abbreviation.
For detailed information about software interfaces refer to [5].
For the latest version of this document please check the following URL:
http://www.stollmann.de/en/support/downloads/bluetooth-adapter/bluemod-s.html
1.1
Feature Summary
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Bluetooth specification V4.0 compliant
Supports Bluetooth low energy
Fully qualified Bluetooth V4.0 Single Mode LE
CE certified
FCC and IC certified
Nordic nRF51822 inside
Fast Connection Setup
RF output power -30 up to +3dBm
RSSI
High sensitivity design
Supply voltage range 1,8V to 3,6V
Internal crystal oscillator (16 MHz)
LGA Surface Mount type. BlueMod+S: 17 x 10 x 2.6 mm3
Pin compatible to Stollmann BlueMod+SR dual mode module
Shielded to be compliant to FCC full modular approval
Flexible Power Management
128-bit AES encryption
High-speed UART interface
I2C Master
SPI Master/Slave interface
Low power comparator
Real Time Counter
Up to 19 digital IO’s for individual usage by embedded software
Up to 6 anlog inputs for individual usage by embedded software
8/9/10bit ADC
Arm® CortexTM-M0 core for embedded profiles or application software
Manufactured in conformance with RoHS2
Operating temperature -25 ... +75 °C
Weight: tbd. g
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BlueMod+S/AI
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1.2
Applications
The BlueMod+S is designed to be used in low power applications, like sensor devices. Some
typical applications are described in this chapter.
Supported profiles are:
LE:
•
•
Terminal IO
any GATT based LE-profile
Support for any additional profile is possible on request.
1.2.1
General Cable Replacement
In case there is no standardized application specific profile available the BlueMod+S offers
Stollmann’s Terminal I/O profile, which allows transparent data transfer over UART and supports
Secure Simple Pairing, making the pairing process easy and the connection secure. Terminal I/O
is available for iOS and Android as well as implemented in Stollmann’s dual mode module
BlueMod+SR.
1.2.2
Industry
BlueMod+S can be used to monitor and control motors, actuators, values and entire processes.
1.2.3
POS/Advertising
BlueMod+S supports iBeacon or similar applications.
1.2.4
Healthcare and Medical
Usage of Bluetooth is aimed mainly at devices that are used for monitoring vital data. Typical
devices are blood glucose meter, blood pressure cuffs and pulse ox meters. Bluetooth BR/EDR
and low energy were chosen by the Continua Health Alliance as transports for interoperable end to
end communication.
1.2.5
Sports and Fitness
In the sports and fitness segment the BlueMod+S is used in devices for positioning as well as
monitoring vital data. Typical devices in this market are heart rate monitors, body temperature
thermometers, pedometers, cadence meters, altimeter, positioning / GPS tracking and watches
displaying information from sensors.
1.2.6
Entertainment
Bluetooth technology is already used in a wide variety of devices in the entertainment sector,
namely set-top boxes / gaming consoles. BlueMod+S is especially suited for use in remote
controls, gaming controller and wireless mouse/keyboard applications.
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BlueMod+S/AI
Hardware Reference
2 Block Diagram
BlueMod+S/AI
onboard
antenna
16MHz
nRF51822
3.0V
Balun+
Filter
Serial Wire
(DEBUG)
VSUP
RESET
I2C
up to 7
UART
up to 6
Analog In
up to 19
GPIO
SPI
opt. 32kHz
GND
Figure 1: BlueMod+S/AI Block Diagram
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BlueMod+S/AI
Hardware Reference
3 Application Interface
3.1
Power Supply
BlueMod+S require a power supply with the following characteristics:
Typical: 3,0VDC, min.: 1,8VDC, max.: 3,6VDC, thereby delivering > 25 mA peak
BlueMod+S is designed to be powered from 3V coin cell batteries e.g. CR2032 directly, or any
other power source complying with the given requirements. For optimal performance a stable
supply is recommended.
BlueMod+S
XC6204B-3.3
VSUP E-6,F-6
5 VOUT
VSS
VIN 1
+5VDC
CE 3
1µ
10µ + 100n
GND:
A-7,E-7,F-7,B-[5:8],
C-[5:8],D-8,E-8,F-8
Figure 2: BlueMod+S Example Power Supply with LDO
3.2
Power-up Slew-Rate
Parameter
VSUP rise time rate
(1)
(2)
(1), (2)
Min
Max
60
Unit
ms
0V to 1,8V
The on-chip power-on reset circuitry may not function properly for rise times outside the
specified interval
Table 1: Power up Rise Time Requirements
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BlueMod+S/AI
Hardware Reference
3.3
Reset
BlueMod+S are equipped with circuitry for generating power-up reset from the supply voltage
VSUP, as well as brownout detection.
During power-up, reset is kept until the supply voltage VSUP has reached the minimal operating
voltage. VSUP risetime has to comply with Table 1 for power-up reset to function properly. A reset
is also generated when VSUP falls below the threshold of the brownout detector (1,6V .. 1,7V with
a hysteresis of about 30mV), and is released when VSUP rises above that threshold.
By holding pin B-1 (EXT-RES#) at ≤ VSUP*0,3V for tHOLDRESETNORMAL ≥ 0,2µs, an external reset (pin
reset) is generated. This pin has a fixed internal pull-up resistor (RPU = 11kΩ ... 16kΩ). EXT-RES#
may be left open if not used.
Note:
The reset-functionality associated with pin EXT-RES# is shared with the serial wire debug
feature (refer to 3.12). Inside the BlueMod+S module, EXT-RES# is connected to SWDIO via a
150R resistor. During a debug session the external reset function is not available; asserting of
EXT-RES# to any level should be avoided.
Host MCU
BlueMod+S
+3V3
VSUP
EXT-RES#
E-6,F-6
VDD
B-1
1k
GPIO
Reset signal is optional
GND
Reset-Switch is optional
Please Note: EXT-RES# of BlueMod+S has approx. 13k internal pullup.
Figure 3: BlueMod+S Example Reset
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BlueMod+S/AI
Hardware Reference
The following table shows the pin states of BlueMod+S during reset active.
Pin Name
State: BlueMod+S
EXT-RES#
Input with pull-up
XL-IN/SLCK
Input floating (disconnected)
XL-OUT
Input floating (disconnected)
UART-TXD
Input floating (disconnected)
UART-RXD
Input floating (disconnected)
UART-RTS#
Input floating (disconnected) with pull-up resistor 470kΩ
UART-CTS#
Input floating (disconnected)
IUR-OUT#
Input floating (disconnected)
IUR-IN#
Input floating (disconnected)
GPIO[0:14]
Input floating (disconnected)
TESTMODE#
Input floating (disconnected)
BOOT0
Input floating (disconnected)
SWDIO
Input with pull-up
SWCLK
Input with pull-down
(1)
(2)
(1)
(2)
(1)
(1)
pull-up, pull-down: RPU, RPD is typ. 13kΩ (11kΩ to 16kΩ)
a discrete resistor is used
Table 2: Pin States during Reset
The pin states as indicated in Table 2 are kept until hardware initialization has started.
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3.4
Serial Interface
The serial interface of BlueMod+S is a high-speed UART interface supporting RTS/CTS flow
control and interface-up/down mechanism according to the UICP+ protocol (refer to [3] ). Electrical
interfacing is at CMOS levels (defined by VSUP; see chapter 5.5.1).
•
Transmission speeds are 9600 – 921600 bps and 1Mbps (asynchronous)
•
Character representation: 8 Bit, no parity, 1 stop bit (8N1)
•
Hardware flow-control with RTS and CTS (active low)
Note: Transmission speed may be limited by firmware. See corresponding command reference
[5] for further information.
UART-RXD
BlueMod+S
Host
UART-TXD
UART-CTS#
UART-RTS#
IUR-IN#
IUR-OUT#
Figure 4: Serial Interface Signals
The basic serial interface (with RTS/CTS flow control) uses only four signal lines (UART-RXD,
UART-TXD, UART-CTS#, UART-RTS#). IUR-IN#, IUR-OUT# and GPIO[4] (see below) can be left
unconnected.
A substantially saving of power during idle phases can be achieved (see 5.6.1) when the UICP
protocol is used (refer to [3] ). This protocol should be implemented on the host side as well.
Signals IUR-IN# and IUR-OUT# should be connected to the host and may be mapped to DSR and
DTR, if an RS232-style (DTE-type) interface is used (see Figure 5).
When using the TIO firmware and applications, call control can be supported by GPIO[4]. Driving
GPIO[4] to logic High level during a data transfer phase will “hang up” the connection and
disconnect the Bluetooth link. This signal may be mapped to DSR, if an RS232-style (DTE-type)
interface is used. Please refer to [5] for a functional specification. GPIO[4] can be left unconnected
if this feature is not used.
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3.4.1
3-Wire Serial Interface
When using only GND and UART-RXD, UART-TXD serial lines, leave UART-RTS# and UARTCTS# open.
Note: It is strongly recommended to use hardware flow control. Not using flow control can cause
a loss of data.
MAX3241
+3V3
BlueMod+S
UART_RXD
UART_RTS#
UART_CTS#
IUR-OUT#
IUR-IN#
SHDN#
23
EN#
RS232
+3V3
VSUP
UART_TXD
22
F-4
TXD
14
D-2
RXD
19
D-7
RTS#
13
10
F-3
CTS#
18
12
11
17
16
B-4 IUR-OUT#
D-5
IUR-IN#
GND
100n
100n
15
28
24
26
27
25
C1+
C1C2+
C2-
VCC
V+
VGND
220R
220R
220R
220R
220R
220R
TXD
RXD
RTS
CTS
DTR
DSR
DCD
can be left open
RI
+3V3
SigGND
DSUB9 (male)
DTE style connector pinout
100n 100n 100n
Figure 5: BlueMod+S Example Serial Interface (RS-232) Supporting UICP
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XC6204B-3.3
+3V3_switched
VOUT
VIN
+5VDC
1µ
VSS CE
BlueMod+S
VSUP
D-2
UART_RXD
F-4
UART_TXD
F-3
UART_CTS#
D-7
UART_RTS#
User Host System
100k
10µ+100n+1n
BT_ENABLE (GPIO, Out,
no pu/pd)
SN74AVC4T245
VCCA
1DIR
1OE
VCCB
VDD_HOST (+1.2 .. +3.6V)
100k
OE_DRV#
VDDIO
(+1.2V .. +3.6V)
(GPIO, Out,
no pu/pd)
1B1
1A1
TXD
1B2
1A2
RTS#
2DIR
2OE
2B1
2A1
RXD
2B2
2A2
CTS#
GND
Figure 6: BlueMod+S Example Serial Interface (Mixed Signal Level)
3.4.2
Baudrate Deviation
The following table shows the deviation in percent of the standard data rates. The deviation may
be caused by the inaccuracy of the crystal oscillator or granularity of the baud rate generator.
Data Rate (bits/s)
Deviation (%)
9600
19200
38400
57600
115200
±1%
230400
460800
921600
1000000
Table 3: Deviation of Baudrates
Note: The total deviation of sender and receiver shall not exceed 2,5% to prevent loss of data.
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3.5
GPIO Interface
It is possible to use the programmable digital I/Os GPIO[0:14] on the BlueMod+S. Their behavior
has to be defined project specific in the firmware.
Unused GPIO pins shall be left unconnected to stay compatible. There may be functions assigned
to some in future versions of the firmware.
3.6
I2C Interface 1
The I2C bus interface serves as an interface between the internal microcontroller and the serial I2C
bus. BlueMod+S is the master and controls all I2C bus specific sequencing, protocol and timing. It
supports standard (100kHz) and fast (400kHz) speed modes. The BlueMod+S as an I2C master
must be the only master of the I2C bus (no multimaster capability). Clock stretching is supported.
GPIO[1]/I2C-SDA and GPIO[0]/I2C-SCL can be used to form an I2C interface. It is required to
connect 4k7 pull-up resistors on I2C-SCL and I2C-SDA when this interface is used.
BlueMod+S
4k7
Rpu
+3.3V
Rpu
4k7
+3.3V
GPIO[0]/I2C-SCL
D-3
I2C-SCL
GPIO[1]/I2C-SDA
B-2
I2C-SDA
+3.3V
VSUP
E-6,F-6
Figure 7: BlueMod+S I2C Interface
subject to firmware support, contact Stollmann for current status
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Hardware Reference
SPI Serial Peripheral Interface 2
3.7
The serial peripheral interface (SPI) allows for full-duplex, synchronous, serial communication with
external devices. The interface can be configured as the master and then provides the
communication clock (SCK) to the external slave device(s), or as the slave. The SPI Interface
supports SPI-modes 0 through 3. Module pins are used as follows:
•
•
•
GPIO[2]: SPI-MOSI
GPIO[5]: SPI-MISO
GPIO[8]: SPI-SCK
connected device
SPI-Slave
BlueMod+S
SPI-Master
typical signals:
GPIO[8]/SPI-SCK
E-2
SCK, SPI_CLK
GPIO[2]/SPI-MOSI
D-1
SDI, MOSI
F-2
SDO, MISO
GPIO[5]/SPI-MISO
Figure 8: BlueMod+S SPI Interface (Example: Master Mode)
3.8
Bluetooth Radio Interface
The BlueMod+S/AI presents an integrated ceramic antenna.
It is highly recommended that you follow the design rule given in the Stollmann Application Note on
Antenna design [4].
subject to firmware support, contact Stollmann for current status
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3.9
Slow Clock Interface
Even though an external slow clock is not required for BLE operation, consumption of power during
power-down modes can be reduced by feeding the module with an optional 32,768 kHz slow clock
at pin XL-IN/SLCK, or connecting an XTAL (32,768kHz) and two capacitors C1, C2 at pins XL-IN
and XL-OUT.
3.9.1
•
•
•
3.9.2
Symbol
SLCK Specification (External Supplied Signal)
32,768 kHz +/-250ppm; duty cycle 30...70%.
Signal may be a sine wave, a clipped sine wave, a square wave or a rail-to-rail digital
signal. The amplitude must be at least 200mVpp. DC offset is not an issue as long as the
input voltage is between VSS and VDD at all times.
connect signal SLCK to XL-IN/SLCK (A6) and leave XL-OUT (A5) open
32,768 kHz Crystal Oscillator Specification (32k XOSC)
Item
Condition
Limit
Min
fNOM
Crystal Frequency
Tamb = 25°C
fTOL
Frequency Tolerance for
BLE applications
including temperature
(1)
and aging
CL
Load Capacitance
C0
Shunt Capacitance
RS
Equivalent Series Resistor
PD
Drive Level
Cpin
Input Cap. on XL-IN and
XL-OUT
(1)
Unit
Typ
Max
32,768
50
kHz
+/-250
ppm
12,5
pF
pF
80
kΩ
µW
pF
adjust crystal frequency by choosing correct value for C1, C2 (value depends on CL of crystal
and layout)
Table 4: 32,768kHz Crystal Oscillator
The module’s firmware will detect the presence of a slow clock during the boot process and switch
behavior appropriately.
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Page 19 of 52
BlueMod+S/AI
Hardware Reference
3.9.3
Connection of an External 32,768 kHz Crystal
Connect the 32,768 kHz crystal and two capacitors C1, C2 at pins A-6 (XL-IN/SLCK) and A-5 (XLOUT). The crystal has to comply with specifications given in Table 1. The exact value of C1 and C2
depends on the crystal and the stray capacitance of the layout. Select C1, C2 such that the slow
clock oscillator operates at the exact frequency at room temperature (25°C). The crystal and the
capacitors shall be located close to pins A-5, A-6. Avoid long signal traces.
BlueMod+S
Slow Clock
XL-IN/SLCK
A-6
32,768kHz
C1
CL = (C1+Cpin+Cs) * (C2+Cpin+Cs) / (C1+C2+2*Cpin+2*Cs)
Cpin: see Table 4
C2
XL-OUT
A-5
Cs: stray capacitance, depends on layout
CL: 9pF
C1, C2 ~ 12pF
Figure 9: BlueMod+S connection of external XTAL
3.10 Test Mode Enable
For homologation purposes the ability of testmode operation like "Direct two wire UART Testmode"
is mandatory. The Direct Test Mode (as defined by the Bluetooth SIG) and additional test functions
are part of the BlueMod+S TIO-Firmware. Please refer to [7] and [8].
To enter and use test modes or DTM, access to the following signals is required:
• BOOT0
• TESTMODE#
• UART-RXD
• UART-TXD
• UART-CTS#
• GND
These pins shall be routed to some test pads on an outer layer, but can be left open during normal
operation when not used.
Please note the UART is required for operation of test modes. During the homologation process,
UART-RXD and UART-TXD must be freely accessible and connected via some RS232 level shifter
to the test equipment (like R&S CBT), whereas UART-CTS# must be set "active" (continuous lowlevel) to allow serial communication.
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Page 20 of 52
BlueMod+S/AI
3.11 Operating in a Power-Switched Environment
A potential "back feeding" problem may arise, if the module is operated in an environment where
its power supply (VSUP) is switched off by the application. This might be done to save some power
in times Bluetooth is not needed.
As stated in Table 7, the voltage on any I/O pin must not exceed VSUP by more than 0,3V at any
time. Otherwise some current IINJ flows through the internal protection diodes. This may damage
the module (please refer to chapter 5.1 for limits).
There is no problem if the application circuit design and programming can assure that all signals
directed towards BlueMod+S are set to low (U < 0,3V) before and while VSUP is turned off. If this
is not guaranteed, at least a series resistor (about 1k) must be inserted into each signal path. This
does protect the module but obviously cannot prevent from an unwanted, additional current flow in
case of such signal being at high-level. It may be necessary to use driver chips in such applications, that gate off these signals while VSUP is not present.
3.12 Serial Wire Interface
The Serial Wire interface (SWDIO, SWCLK) is normally not used in a customer’s product. It is
reserved for debugging purposes.
Leave SWDIO, SWCLK unconnected. Only if you intend to use them for debugging purposes,
make them available. Please be aware of the nRF51822 pin sharing SWDIO/nRESET (refer to [1]).
On the BlueMod+S module, pin EXT-RES# is decoupled from SWDIO by a 150 Ω resistor; SWDIO
is connected directly to pin SWDIO/nRESET of the nRF51822 chip. Nevertheless, avoid driving
EXT-RES# to any logic level while in debug mode, since EXT-RES# will also be driven by the
BlueMod+S or the debugger, when SDIO is driven by either of these.
During any debugging session the external pushbutton reset functionality is not available. Please
use the correct reset options of your serial wire debugger. Alternatively, power-off the system,
remove the debugger and power-up again (refer to [1], Chapter 10 Debugger Interface (DIF)).
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Page 21 of 52
BlueMod+S/AI
4 Module Pins
4.1
Pin Numbering
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
C1
C2
C3
C4
C5
C6
C7
C8
D1
D2
D3
D4
D5
D6
D7
D8
E1
E2
E3
E4
E5
E6
E7
E8
F1
F2
F3
F4
F5
F6
F7
F8
Figure 10: BlueMod+S Pin Numbering (Top View)
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Page 22 of 52
BlueMod+S/AI
4.2
Pin Description
4.2.1
General Pin Description
Type:
PU - pull-up; PD – pull-down; PWR – Power; I – Input; O – Output; I/O – bidir.; OD – open drain; PP – push/pull;
RF: RadioFreq; I-DIS – Input Buffer Disconnected
Pin Name
E-6
F-6
C-1
A-7, E-7, F-7,
B-[5,6,7,8],
C-[5,6,7,8],
D-8, E-8, F-8
A-8
B-1
A-6
F-4
D-2
D-7
F-3
B-4
D-5
D-3
B-2
D-1
E-4
D-4
F-2
C-4
C-3
E-2
A-3
A-1
A-4
A-2
F-1
E-1
E-3
D-6
C-2
B-3
A-5
F-5
E-5
Signal
VSUP1
VSUP2
not connected
Type
PWR
PWR
Act
GND
PWR
ANT
EXT-RES#
XL-IN/SLCK
UART-TXD
UART-RXD
UART-RTS#
UART-CTS#
IUR-OUT#
IUR-IN#
GPIO[0]
GPIO[1]
GPIO[2]
GPIO[3]
GPIO[4]
GPIO[5]
GPIO[6]
GPIO[7]
GPIO[8]
not connected
GPIO[10]
not connected
GPIO[9]
TESTMODE#
BOOT0
SWDIO
SWCLK
GPIO[13]
GPIO[11]
XL-OUT
GPIO[14]
GPIO[12]
RF
I-PU
(3,5)
I/O
O-PP
I-PU
(1)
O-PU
I-PD
O-PP
I-PD
(3,5)
I/O
(3,5)
I/O
(3,5)
I/O
(3,5)
I/O
(3,5)
I/O
(3,5)
I/O
(3,5)
I/O
(3,5)
I/O
(3,5)
I/O
Alternate Function
Ground
(4)
I/O
Function
+3,0V nom.
+3,0V nom
none
(3,5)
(3,5)
I/O
I-PU
I-PD
I/O-PU
I-PD
(3,5)
I/O
(3,5)
I/O
(3,5)
I/O
(3,5)
I/O
(3,5)
I/O
reserved
User Reset
32,768kHz Slow Clock / XTAL
(6)
IUR Data OUT
(6)
IUR Data IN
Flow Control/IUC
(6)
Flow Control/IUC
UICP Control
UICP Control
(3)
GPIO
(3)
GPIO
(3)
GPIO
(3)
GPIO
(3)
GPIO
(3)
GPIO
(3)
GPIO
(3)
GPIO
(3)
GPIO
none
(3)
GPIO
none
(3)
GPIO
(6)
Testmode Enable
(6)
reserved
serial wire
serial wire
(3)
GPIO
(3)
GPIO
(3)
GPIO / ext. XTAL 32,768kHz
(3)
GPIO
(3)
GPIO
reserved
AIN1
I2C-SCL, AIN7, AREF1
I2C-SDA, AIN6
SPI-MOSI
SPI-MISO, AREF0
SPI-SCK, AIN2
AIN3
AIN4
AIN5
AIN0
Notes:
(1)
a discrete resistor is used
(3)
function depends on firmware
(4)
DNU: Do Not Use, Do Not Connect
(5)
GPIO pin. These pins may be programmed as analog-in, i-disconnected, i-float, i-pu, i-pd, o-pp (output push/pull),
o-od (output open drain), o-os (output open source) or some alternate function; refer to [1], [2]
(6)
signal must be accessible for homologation purposes. Refer to 3.10 Test Mode Enable
Table 5: General Pin Assignment
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Page 23 of 52
BlueMod+S/AI
4.2.2
Application Specific Pin Description
4.2.2.1 TIO Pin Configuration
Type:
PU – Pull-up; PD – pull-down; PWR – Power; I – Input; O – Output; I/O – bidir.; OD – open drain: PP – push/pull;
RF: RadioFreq; I-DIS – Input Buffer Disconnected
Pin Name
Signal
TIO-Function
Type
Act
Description
E-6
VSUP1
Power
PWR
+3,3V nom.
F-6
VSUP2
Power
PWR
+3,3V nom
C-1
not connected
none
A-7,E-7,F-7,
B-[5,6,7,8],
GND
Power
PWR
Ground
C-[5,6,7,8],
D-8, E-8, F-8
(4)
A-8
ANT
DNU
RF
leave open
B-1
EXT-RES#
Reset
I-PU
User Reset
A-6
XL-IN/SLCK
SLCK / XTAL
32,768kHz Slow Clock (optional)
(6)
F-4
UART-TXD
TXD
O-PP
IUR Data OUT
(6)
D-2
UART-RXD
RXD
I-PU
IUR Data IN
(1)
D-7
UART-RTS#
/RTS
O-PP
Flow Control/IUC; refer to [3]
(6)
F-3
UART-CTS#
/CTS
I-PD
Flow Control/IUC; refer to [3]
(3)
B-4
IUR-OUT#
/IUR-OUT
O-PP
UICP Control; refer to [3]
(3)
D-5
IUR-IN#
/IUR-IN
UICP Control; refer to [3]
(3)
(3)
(3)
D-3 SCL
GPIO[0]
GPIO[0]
I/O
GPIO [I2C-SCL]
(3)
(3)
(3)
B-2 SDA
GPIO[1]
GPIO[1]
I/O
GPIO [I2C-SDA]
(3)
(3)
(3)
D-1 IOC
GPIO[2]
IOC
I/O
GPIO [SPI-MOSI]
(3)
(3)
(3)
E-4 IOB
GPIO[3]
IOB
I/O
GPIO
D-4
GPIO[4]
HANGUP
I-PD
optional; refer to [5]
(3)
(3)
(3)
F-2 IOD
GPIO[5]
IOD
I/O
GPIO [SPI-MISO]
(3)
C-4
GPIO[6]
reserved
I-DIS
GPIO
(3)
C-3
GPIO[7]
GPIO7
I-DIS
GPIO
(3)
(3)
(3)
E-2 IOA
GPIO[8]
IOA
I/O
GPIO [SPI-SCK] [DEVICE READY#]
A-3
not connected
none
none
(4)
A-1
GPIO[10]
DNU
I-DIS
leave open
A-4
not connected
none
none
(4)
A-2
GPIO[9]
DNU
I-DIS
leave open
(6)
F-1
TESTMODE#
reserved
I-PU
connect to test pad
(6)
E-1
BOOT0
reserved
I-PD
connect to test pad
E-3
SWDIO
reserved
I/O-PU
leave open (serial wire)
D-6
SWCLK
reserved
I-PD
leave open (serial wire)
(4)
C-2
GPIO[13]
DNU
I-DIS
leave open
(4)
B-3
GPIO[11]
DNU
I-DIS
leave open
A-5
XL-OUT
XTAL
I-DIS
leave open if no ext. XTAL is connected
(4)
F-5
GPIO[14]
DNU
I-DIS
leave open
(4)
E-5
GPIO[12]
DNU
I-DIS
leave open
Notes:
(1)
a discrete resistor is used
(3)
function depends on firmware. If function can be enabled using an AT-command, type is I-DIS when not enabled
(4)
DNU: Do Not Use, Do Not Connect
(6)
signal must be accessible for homologation purposes. Refer to 3.10 Test Mode Enable
Table 6: Application Specific Pin Assignments, TIO
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Page 24 of 52
BlueMod+S/AI
4.3
Handling of Unused Signals
Depending on the application, not all signals of BlueMod+S may be needed. The following list
gives some hints how to handle unused signals.
•
•
•
•
•
•
•
•
•
EXT-RES#
BOOT0
XL-IN/SLCK
XL-OUT
UART-RTS#, UART-CTS#
IUR-OUT#, IUR-IN#
TESTMODE#
unused GPIOs
SWDIO, SWCLK
If no external Reset is needed: Leave open
leave open (1)
If no external slow clock is provided: Leave open
If no external XTAL is connected: Leave open
If neither flow control nor UICP is used: Leave open (1)
If UICP is not used: leave open
Leave open (1)
Leave open
Leave open. Only needed for debug purposes.
Please note, to keep compatibility with future feature enhancements, unused signals shall not be
connected directly to VSUP or GND. Leave open.
(1)
Signals must be accessible during the homologation process, refer to 3.10 Test Mode Enable.
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Page 25 of 52
BlueMod+S/AI
5 Electrical Characteristics
5.1
Absolute Maximum Ratings
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage
to the device. These are stress ratings only, and functional operation of the device at these or any
other conditions beyond those indicated under “Electrical Requirements” is not implied. Exposure
to absolute-maximum-rated conditions for extended periods may affect device reliability.
Item
Symbol
Absolute Maximum Ratings
Unit
Supply voltage
VSUP
-0,3 to +3,6
Voltage on any pin
VPin
-0,3 to VSUP+0,3
Injected current into
any GPIO pin
Max. per package
IINJ
IINJ_package
40
100
mA
mA
Table 7: Absolute Maximum Ratings
5.2
Electrical Requirements
VSUP = 3,3V, Tamb = 25°C if nothing else stated
Item
Condition
Limit
Min
Frequency Range
Unit
Typ
2400
Load impedance
Measured with network
analyzer in the frequency
range at antenna pin
Output return loss
Receive Mode to 50Ω load
Transmit Mode to 50Ω load
Max
2483.5
50
MHz
Ohm
-10
-10
dB
Table 8: Electrical Requirements
5.3
Operating Conditions
Tamb = 25°C
Item
Condition
Limit
Min
Supply voltage VSUP
normal mode (DC/DC not enabled)
1,8
Unit
Typ
3,0
Max
3,6
VDC
Table 9: DC Operating Conditions
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Page 26 of 52
BlueMod+S/AI
5.4
Environmental Requirements
Item
Symbol
Absolute Maximum Ratings
Unit
Storage temperature range
Tstg
-40 to +85
°C
Operating temperature range
Top
-25 to +75
°C
Table 10: Environmental Requirements
5.5
DC Parameter
All Module I/O pins are connected directly to the Nordic nRF51822 chip without signal conditioning
except for some pull-up/pull-down resistors (as indicated). Therefore the electrical characteristics
are as documented in the Nordic nRF51822 data sheet [2].
5.5.1
General Purpose I/O (GPIO)
Tamb = 25°C
Symbol
Item
Condition
Limit
Unit
Min
VIL
Low-Level Input Voltage
VSUP = 1,8 to 3,6V
VIH
High-Level Input Voltage VSUP = 1,8 to 3,6V
(1)
Typ
Max
VSS
VSUP*0,3
VSUP*0,7
VSUP
VSS
VSS
0,3
0,3
VSUP-0,3
VSUP-0,3
VSUP
VSUP
VOL
Low-Level Output
Voltage
IOL = 0,5mA
(2), (3)
IOL = 5,0mA
VOH
High-Level Output
Voltage
IOH = -0,5mA
(2), (3)
IOH = -5,0mA
IOL
Low -Level Output
Current
VOL ≤ 0,3V
-0,5mA
(2), (3)
-5,0mA
IOH
High-Level Output
Current
VSUP-0,3V ≤ VOH ≤
VSUP
0,5mA
(2), (3)
5,0mA
mA
RPU
pull-up resistor
11
13
16
kΩ
RPD
pull-down resistor
11
13
16
kΩ
Ilc
I/O pad leakage current
-3,5
0,01
+3,5
nA
Cl
Input Capacitance
(1)
(1)
mA
(1)
2,5
pF
(1)
drive = std
drive = hi
(3)
maximal number of pins (per package) with high drive is 3
(2)
Table 11: DC Characteristics, Digital IO
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Page 27 of 52
BlueMod+S/AI
5.5.2
EXT-RES#
Input EXT-RES# has a Schmitt-Trigger characteristic and an internal pull-up resistor.
Tamb = 25°C
Symbol
Item
Condition
Limit
Min
Unit
Typ
Max
VIL
Low-Level Threshold
VSUP = 1,8 to 3,6V
0,34*VSUP
VIH
High-Level Threshold
VSUP = 1,8 to 3,6V
0,62*VSUP
VHYST
Hysteresis
VSUP = 3,0V
800
mV
RPU
pull-up resistor
Cl
Input Capacitance
11
13
16
2,5
kΩ
pF
Table 12: DC Characteristics, EXT-RES#
5.5.3
External Slow Clock SLCK
The following table is applicable if an external slow clock signal is fed into XL-IN/SLCK. This may
be a square wave, a clipped sine wave, a sine wave or a rail-to-rail digital signal. Frequency must
be 32,768kHz +/-250ppm (refer to 3.9). DC offset is not an issue as long as the input voltage is
between VSS and VSUP at all times. Firmware will detect presence of external slow clock signal at
startup; signal has to stay active as long as the BlueMod+S is powered.
Tamb = 25°C
Symbol
Item
Condition
Limit
Min
VSLCKL
Low-Level Input Voltage
VSLCKH
High-Level Input Voltage VSUP = 1,8 to 3,6V
VSLCK
Cl
(1)
(1)
Amplitude (peak_peak)
VSUP = 1,8 to 3,6V
VSUP = 1,8 to 3,6V
Unit
Typ
0,0
VSUP-VSLCK
VSUP-VSLCK
VSUP
0,2
VSUP
Input Capacitance
Max
pF
input voltage required between VSS and VSUP at all times
Table 13: DC Characteristics, SLCK
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Page 28 of 52
BlueMod+S/AI
5.6
5.6.1
Power Consumption and Power Down Modes
Terminal I/O Configuration
The following values are typical power consumption values in the different states.
VSUP = 3,0V, Tamb = 25°C, all GPIOs open, UART inputs at VSUP or GND, SLCK: 32,768 kHz
Condition
Note Slow
clock
SLCK
Current
Consumption
Unit
IAvg
internal
ext. sig.
ext. XTAL
Advertising Off, UICP not active or serial interface up
Advertising Off, UICP active, serial interface down
Device in reset
(1)
(2)
(1)
internal
ext. sig.
ext. XTAL
tbd.
tbd.
1,1
tbd.
tbd.
(2)
0,625
mA
µA
mA
IUR-IN# and UART-CTS# signals connected to CMOS high level
same current consumption w. internal or external slow clock
Table 14: Supply Current Sleep Modes, no Radio Activity
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Page 29 of 52
BlueMod+S/AI
The following table shows the average power consumption of BlueMod+S operating in the
peripheral device role.
VSUP = 3,0V, Tamb = 25°C, all GPIO lines left open, SLCK: 32,768 kHz
Condition
Note Slow
clock
SLCK
Current
Consumption
Unit
Tx power (dBm) (8)
max (+4)
min (-30)
IAvg
IAvg
(7)
(5)
internal
ext. sig.
ext. XTAL
tbd.
tbd.
1,2
tbd.
tbd.
1,2
mA
(1)
internal (7)
ext. sig.
ext. XTAL
tbd.
tbd.
28
tbd.
tbd.
9,5
µA
(2,3)
(6)
2,2
1,95
mA
Connected, connection interval: 7,5 ms, data traffic 115 kbit/s at the
serial port, central to peripheral
(2)
(6)
5,2
4,7
mA
Connected, connection interval: 7,5 ms, data traffic 115 kbit/s at the
serial port, peripheral to central
(2)
(6)
3,4
3,2
mA
Connected, connection interval: 37,5ms, no data traffic
(2,4)
internal (7)
ext. sig.
ext. XTAL
tbd.
tbd.
1,4
tbd.
tbd.
1,4
mA
Connected, connection interval: 37,5ms, data traffic 115 kbit/s at the
serial port, peripheral to central
(2,4)
(6)
2,0
1,9
mA
Standby, Advertising on 3 channels, advertising interval: 1,28s, UICP
not active or serial interface up
Standby, Advertising on 3 channels, advertising interval: 1,28s, UICP
active and serial interface down
Connected, connection interval: 7,5 ms, no data traffic
(1)
UART-CTS#, IUR-IN#, UART-RXD driven to CMOS high level, all UART output lines left open
connection parameters are setup by the central device when connection is established
(3)
no data to be transmitted, central device sends an empty packet (80 bit) then peripheral device
answers (empty packet: 80 bit)
(4)
these are a typical connection parameters used by an iPhone, iPad or iPad mini device in the
central device role
(5)
UART-inputs connected to GND or VSUP; UART output lines left open
(6)
same current consumption w. internal or external slow clock
(7)
RC oscillator internal to nRF51822, periodically trimmed by S-device
(8)
Tx power as set by AT command
(2)
Table 15: Supply Current BLE Terminal I/O Profile, Peripheral Device Role
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Page 30 of 52
BlueMod+S/AI
5.7
5.7.1
RF Performance
BLE Receiver
VSUP = 1,8V to 3,6V, Tamb = +20°C
Measured conducted according to BT specification RF-PHY.TS/4.0.1
Receiver
Frequ
/GHz
Sensitivity at 30,8% PER
2,402
2,440
2,480
Reported PER during PER
report integrity test
2,426
Maximum received signal at 30,8% PER
Continuous power required to
0,030 - 2,000
block Bluetooth reception at
2,000 - 2,400
-67dBm with 0,1% BER
2,500 - 3,000
3,000 - 12,75
C/I co-channel
F = F0 + 1 MHz
F = F0 - 1 MHz
F = F0 + 2 MHz
Adjacent channel
F = F0 - 2 MHz
Selectivity C/I
F = F0 + 3 MHz
F = F0 - 5 MHz
F = Fimage
Maximum level of intermodulation interferers
Min
Typ
Max
-88,5
-88,5
-88,5
-70
-70
-70
50
50
65,4
-10
-30
-35
-35
-30
tbd.
tbd.
tbd.
tbd.
10
-25
-25
-51
-51
-30
-36
-50
21
15
15
-17
-15
-27
-27
-9
BT
Spec
≤ -70
50
< PER
< 65,4
≥ -10
-30
-35
-35
-30
≤21
≤15
≤15
≤-17
≤-15
≤-27
≤-27
≤-9
≥-50
Unit
dBm
dBm
dBm
dB
dB
dB
dB
dB
dB
dB
dB
dBm
VSUP = 1,8V to 3,6V, Tamb = -25°C
Measured conducted according to BT specification RF-PHY.TS/4.0.1
Receiver
Frequ
/GHz
Sensitivity at 30,8% PER
2,402
2,440
2,480
Reported PER during PER
report integrity test
2,426
Maximum received signal at 30,8% PER
Min
Typ
Max
-88,5
-88,5
-88,5
-70
-70
-70
50
n/a
65,4
-10
n/a
BT
Spec
≤ - 70
50
< PER
< 65,4
≥ -10
Unit
dBm
dBm
VSUP = 1,8V to 3,6V, Tamb = +75°C
Measured conducted according to BT specification RF-PHY.TS/4.0.1
Receiver
Frequ
/GHz
Sensitivity at 30,8% PER
2,402
2,440
2,480
Reported PER during PER
report integrity test
2,426
Maximum received signal at 30,8% PER
Min
Typ
Max
-88,5
-88,5
-88,5
-70
-70
-70
50
n/a
65,4
-10
n/a
BT
Spec
≤ . 70
50
< PER
< 65,4
≥ -10
Unit
dBm
dBm
Table 16: RF Performance BLE Receiver
www.stollmann.de
Page 31 of 52
BlueMod+S/AI
5.7.2
BLE Transmitter
VSUP = 1,8V to 3,6V, Tamb = +20°C
Measured conducted according to BT specification RF-PHY.TS/4.0.1
Transmitter
Frequ
/GHz
Min
Typ
Max
RF Transmit Power
2,402
2,440
2,480
F = F0 ± 2MHz
F = F0 ± 3MHz
F = F0 ± > 3MHz
-20
-20
-20
2,6
3,0
2,8
-42
-50
<-55
10
10
10
-20 to
+10
225
246
275
99,9
0,8
-150
100
0,91
±20
+150
≤ -30
≤ -30
≤ -30
225
< f1avg
< 275
≥ 99,9
≥ 0,8
± 150
20
≤ 20
16
50
≤ 50
ACP
∆f1avg maximum modulation
∆f2max minimum modulation (test threshold 185 kHz)
∆f2avg / ∆f1avg
Frequency Offset
Carrier drift rate
Carrier drift
www.stollmann.de
BT
Spec
Unit
dBm
dBm
kHz
kHz
kHz/
50µs
kHz
Page 32 of 52
BlueMod+S/AI
VSUP = 1,8V to 3,6V, Tamb = -25°C
Measured conducted according to BT specification RF-PHY.TS/4.0.1
Transmitter
Frequ
/GHz
Min
Typ
Max
RF transmit Power
2,402
2,440
2,480
F = F0 ± 2MHz
F = F0 ± 3MHz
F = F0 ± > 3MHz
-20
-20
-20
3,0
3,5
3,1
-37
-46
<-51
±35
10
10
10
+150
≤ -30
≤ -30
≤ -30
± 150
10
20
≤ 20
25
50
≤ 50
ACP
Frequency Offset
Carrier drift rate
-150
Carrier drift
BT
Spec
-20 to
+10
Unit
dBm
dBm
kHz
kHz/
50µs
kHz
VSUP = 1,8V to 3,6V, Tamb = +75°C
Measured conducted according to BT specification RF-PHY.TS/4.0.1
Transmitter
Frequ
/GHz
Min
Typ
Max
RF transmit Power
2,402
2,440
2,480
F = F0 ± 2MHz
F = F0 ± 3MHz
F = F0 ± > 3MHz
-20
-20
-20
1,5
1,9
1,7
-42
-50
<-53
±35
10
10
10
-20
-40
-30
+150
≤ -30
≤ -30
≤ -30
± 150
10
20
≤ 20
20
50
≤ 50
ACP
Frequency Offset
Carrier drift rate
-150
Carrier drift
BT
Spec
-20 to
+10
Unit
dBm
dBm
kHz
kHz/
50µs
kHz
Table 17: RF Performance BLE Transmitter
www.stollmann.de
Page 33 of 52
BlueMod+S/AI
5.7.3
Antenna-Gain and Radiation Pattern
If BlueMod+S/AI is integrated into an end product while the recommendations depicted in 6.4
Placement Recommendation are maintained, the following typical antenna radiation patterns can
be expected.
Radiation Pattern will depend on the end products PCB size, masses in the antenna environment,
housing material and geometrics.
tbd.
Figure 11: Typical Antenna Radiation Pattern at 2402MHz
tbd.
Figure 12: Typical Antenna Radiation Pattern at 2441MHz
tbd.
Figure 13: Typical Antenna Radiation Pattern at 2480MHz
5.8
Power-Up Time
The time until the BlueMod+S is able to accept link requests or serial data depends on the
firmware version. In the TIO firmware version tbd. the module is command ready after at least tbd.
s. Bluetooth links are accepted tbd. s after reset.
Note: For further information refer to the document BlueMod+S_Startup_Timing
www.stollmann.de
Page 34 of 52
BlueMod+S/AI
6 Mechanical Characteristics
2,6
Dimensions
2,5
6.1
0,1
+0,1
17,0
-0,1
+0,2
0,1
-0,0
+0,1
-0,1
-0,0
10,0
+0,2
stollmann
BlueMod+S
FCC ID RFRMS
Verbleibende Stege nach Nutzentrennung/
remaining break tabs after separation
Figure 14: BlueMod+S/AI Dimensions
6.2
Recommended Land Pattern
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
C1
C2
C3
C4
C5
C6
C7
C8
D1
D2
D3
D4
D5
D6
D7
D8
E1
E2
E3
E4
E5
E6
E7
E8
F1
F2
F3
F4
F5
F6
F7
F8
1,25
17,0
10,0
5x1,5=7,5
1,25
7x1,5=10,5
0,9
Figure 15: BlueMod+S Land Pattern
Note: All dimensions are in mm.
www.stollmann.de
Page 35 of 52
BlueMod+S/AI
6.3
Re-flow Temperature-Time Profile
The data here is given only for guidance on solder and has to be adapted to your process and
other re-flow parameters for example the used solder paste. The paste manufacturer provides a reflow profile recommendation for his product.
Figure 16: Soldering Temperature-Time Profile (For Reflow Soldering)
Preheat
Main Heat
tsmax
Peak
tLmax
tpmax
Temperature
Time
Temperature
Time
Temperature
Time
[°C]
[sec]
[°C]
[sec]
[°C]
[sec]
150
100
217
90
260
10
230
50
Average ramp-up rate
[°C / sec]
Average ramp-down rate
[°C / sec]
Max. Time 25°C to Peak
Temperature
[min.]
Opposite side re-flow is prohibited due to module weight.
Devices will withstand the specified profile and will withstand up to 1 re-flows to a maximum
temperature of 260°C. The reflow soldering profile may only be applied if the BlueMod+S resides
on the PCB side looking up. Heat above the solder eutectic point while the BlueMod+S is mounted
facing down may damage the module permanently.
www.stollmann.de
Page 36 of 52
BlueMod+S/AI
6.4
Placement Recommendation
To achieve best radio performance for BlueMod+S/AI, it is recommended to use the placement
shown in Figure 17. This is a “corner placement” meaning the BlueMod+S/AI is placed such that
the antenna comes close to the corner of the application PCB (red area). So, the yellow area is
outside the PCB and regards to the housing, too (refer to 6.5).
20
Please note that for best possible performance the antenna should be directed away from the
application PCB as shown in Figure 17.
17
4,5
max.0,5
15
10
40
max.0,5
10
no bare copper (exept solder pads for module)
Applic. PCB
no copper and components on any layer
no components on any layer
20
10
do not place any conductive parts in this area
provide solid ground plane(s) as large as possible around
area
Figure 17: BlueMod+S/AI Placement Recommendation
6.5
Housing Guidelines
The individual case must be checked to decide whether a specific housing is suitable for the use of
the internal antenna. A plastic housing must at least fulfill the following requirements:
•
•
•
6.6
Non-conductive material, non-RF-blocking plastics
No metallic coating
ABS is suggested
Antenna Issues
BlueMod+S/AI comprises a ceramic antenna which as a component is soldered to the circuit
board. This solution is functional for a BlueMod+S/AI integrated into a plastic housing.
The performance of the antenna has to be checked within the final integration environment.
Adjacent PCBs, components, cables, housings etc. could otherwise influence the radiation pattern
or be influenced by the radio wave energy. It must be ensured that the antenna is not co-located or
operating in conjunction with any other antennas, transmitters, cables or connectors.
www.stollmann.de
Page 37 of 52
BlueMod+S/AI
6.7
Safety Guidelines
tbd.
www.stollmann.de
Page 38 of 52
BlueMod+S/AI
7 Application Diagram
The following schematic shows a typical application of BlueMod+S. The module is connected to
some MCU running the application layer. MCU and BlueMod+S use the same 3,3V power supply.
The serial interface has RTS/CTS flow control and UICP support in this example. The optional
hangup feature to close down the link is provided. As an option to save power, there is an external
slow clock oscillator. All other module pins may be left unconnected.
Host MCU
BlueMod+S/AI
+3V3
E-6,F-6
VDD
B-1 EXT-RES#
1k
GPIO (o)
VSUP
pushpull or OD
D-2
F-4
F-3
D-7
D-5
B-4
TXD (o)
RXD (i)
RTS# (o)
CTS# (i)
GPIO/DSR# (o)
GPIO/DTR# (i)
D-4 GPIO[4]/Hangup
A-6 XL-IN/SLCK
A-5 XL-OUT
GPIO (o)
pushpull
+3V3
GND
32,768kHz square
or clipped sine
UART-RXD
UART-TXD
UART-CTS#
UART-RTS#
IUR-IN#
IUR-OUT#
all GND pads (14) must be connected.
Blocking capacitors not shown.
The oscillator is optional. Leave A-6 open
if the oscillator is not present.
You can also connect an 32,768kHz XTAL
and two capacitors at A-6 and A-5.
In this example BlueMod+S is connected to an MCU supporting UICP, RTS/CTS flow control and Hangup.
The slow clock oscillator (32,768kHz ) is optional; it helps to save power during power down states.
Figure 18: Typical Application Schematics
www.stollmann.de
Page 39 of 52
BlueMod+S/AI
8 Approvals/Certifications
The BlueMod+S/AI has been tested to comply to the appropriate EU, FCC and IC directives.
CE testing is intended for end products only. Therefore CE testing is not mandatory for a Bluetooth
Module sold to OEM’s. However Stollmann E+V GmbH provides CE tested Modules for customers
in order to ease CE compliance assessment of end products and to minimize test effort.
8.1
Declaration of Conformity CE
The BlueMod+S/AI fully complies with the essential requirements of the following EU directives:
•
•
R&TTE 1999/5/EC
RoHS 2011/65/EC
The actual version of EU Declaration of Conformity (EU DoC) can be downloaded from the
qualification section on the product page via the following link:
http://www.stollmann.de/en/support/downloads/bluetooth-adapter/bluemod-s.html
The above link may expire, because a new version of the EU DoC is available. Please look up the
EU DoC from the Stollmann web site directly then.
8.2
FCC Compliance
The BlueMod+S/AI has been tested to fulfill the FCC requirements. Test reports are available on
request. Grants of the Full Modular Approval will be shown below.
www.stollmann.de
Page 40 of 52
BlueMod+S/AI
8.2.1
FCC Grant
tbd
www.stollmann.de
Page 41 of 52
BlueMod+S/AI
8.2.2
FCC Statement
This device complies with 47 CFR Part 2 and Part 15 of the FCC Rules and with.
Operation is subject to the following two conditions:
(1) this device my not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause
undesired operation.
8.2.3
FCC Caution
Warning: Changes or modifications made to this equipment not expressly approved by Stollmann
Entwicklungs- und Vertriebs- GmbH may void the FCC authorization to operate this equipment.
8.2.4
FCC Warning
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the following
measures:
•
Reorient or relocate the receiving antenna.
•
Increase the separation between the equipment and receiver.
•
Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
Consult the dealer or an experienced radio/TV technician for help.
8.2.5
FCC RF-exposure Statement
The BlueMod+S/AI complies with the FCC/IC RF radiation exposure limits set forth for an
uncontrolled environment.
The output power is < 10mW EIRP and therefore according to “FCC KDB 447498 D01 General RF
Exposure Guidance v05” Appendix A, table “SAR Exclusion Threshold”, excluded from SAR testing
for test separation distances ≥ 5mm and if it is not used in co-locations with other antennas. If the
product implementing the BlueMod+S/AI has other antennas in co-location or separation distances
< 5mm an FCC TCB should be asked for a Class II Permissive Change.
www.stollmann.de
Page 42 of 52
BlueMod+S/AI
8.2.6
FCC Labeling Requirements for the End Product
Any End Product integrating the BlueMod+S/AI must be labeled with at least the following
information:
This device contains transmitter with
FCC ID:
RFRMS
IC:
4957A-MS
www.stollmann.de
Page 43 of 52
BlueMod+S/AI
8.3
IC Compliance
The BlueMod+S/AI has been tested to fulfill the IC requirements. Test reports RSS-210 of Industry
Canada are available on request. Grants of the Full Modular Approval will be shown below.
8.3.1
IC Grant
tbd
8.3.2
IC Statement
(i) Ce
dispositif
être installé
exploité dans
une enceinte
entièrement
fermée standard(s).
afin de prévenir
Cet
appareil
estdoit
conforme
avecetIndustrie
Canada
RSS exemptes
de licence
Son
fonctionnement
aux
deux conditions
les rayonnements
RFest
qui soumis
pourraient
autrement
perturbersuivantes:
la navigation aéronautique. L’installation
(1)
appareil
nepar
peut
pas
provoquerqualifiés,
d'interférences,
doitcet
être
effectuée
des
installateurs
en pleine et
conformité avec les instructions du
(2)
cet appareil doit accepter toute interférence, y compris celles pouvant causer un mauvais
fabricant.
fonctionnement de l'appareil.
(ii) Ce dispositif ne peut être exploité qu'en régime de non-brouillage et de non-protection, c’est-àdire que l’utilisateur doit accepter que des radars de haute puissance de la même bande de
fréquences puissent brouiller ce dispositif ou même l’endommager. D’autre part, les capteurs de
niveau à propos desquels il est démontré qu’ils perturbent une exploitation autorisée par licence de
fonctionnement principal doivent être enlevés aux frais de leur utilisateur.
This device complies with Industry Canada license-exempt RSS standard(s).
Operation is subject to the following two conditions:
(1) this device may not cause interference, and
(2) this device must accept any interference, including interference that may cause undesired
operation of the device.
NOTICE:
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
8.3.3
IC Caution
Warning: Changes or modifications made to this equipment not expressly approved by Stollmann
Entwicklungs- und Vertriebs-GmbH may void the IC authorization to operate this equipment.
www.stollmann.de
Page 44 of 52
BlueMod+S/AI
8.3.4
IC RF-exposure Statement
This equipment is portable device. The output power of this device is less than 20mW.
The SAR test is not required.
8.3.5
IC Labeling Requirements for the End Product
Any end product integrating the BlueMod+S/AI must be labeled with at least the following
information:
This device contains transmitter with
8.3.6
FCC ID:
RFRMS
IC-ID:
4957A-MS
IC Label Information BlueMod+S
The BlueMod+S shows no IC-ID on the product label, because there is no space available. IC
allows on request to state the IC-ID in the product manual. This product has been granted to do so.
Model:
BlueMod+S
The IC-ID is:
4957A-MS
8.4
Bluetooth Qualification
The BlueMod+S is a qualified design according to the Bluetooth Qualification Program Reference
Document (PRD) V2.1. The Qualified Design ID (QDID) is:
tbd
For further information about marking requirements of your product attention should be paid the
Bluetooth Product Marking Guide at
https://www.bluetooth.org/Download/Marking_Guide_20060601.pdf
According to the Bluetooth SIG rules (Qualification Program Reference Document – PRD V2.1)
you are required to perform the mandatory End Product Listing (EPL) for your product. For further
information see www.Bluetooth.org or contact Stollmann.
www.stollmann.de
Page 45 of 52
BlueMod+S/AI
8.5
RoHS Declaration
The actual version of RoHS Supplier Declaration according to the EU Directive 2011/65/EC can be
downloaded from the qualification section on product web site via the following link:
http://www.stollmann.de/en/support/downloads/bluetooth-adapter/bluemod-s.html
www.stollmann.de
Page 46 of 52
BlueMod+S/AI
9 Related Documents
[1] nordic: nRF51_Series_Reference_Manual_v2.1.pdf 2013-11-20 (nRF51822_Reference)
[2] nordic: nRF51822_PS v2.0.pdf (nRF51822_Datasheet)
[3] Stollmann: UICP_UART_Interface_Control_Protocol_r01.pdf
[4] Stollmann: AppNote_B0601_Antenna_Design_V1_0.pdf
[5] Stollmann: BlueMod+S AT Command Reference
[6] Stollmann: BlueMod+S_Startup_Timing.pdf
[7] Stollmann: BlueMod+S_Testmode_Reference
[8] Bluetooth SIG: Core_v4.1.pdf
www.stollmann.de
Page 47 of 52
BlueMod+S/AI
10 Packing
The BlueMod+S modules are packed using carrier tape.
15 Leertaschen Nachspann pro Verpackungseinheit/
15 empty pockets as trailer per packing unit
stollmann
BlueMod+S
FCC ID RFRMS
stollmann
BlueMod+S
FCC ID RFRMS
stollmann
BlueMod+S
FCC ID RFRMS
stollmann
BlueMod+S
FCC ID RFRMS
25 Leertaschen Vorspann pro Verpackungseinheit/
25 empty pockets as leader per packing unit
Abzugrichtung von der Rolle/
pull off direction from reel
www.stollmann.de
Page 48 of 52
BlueMod+S/AI
10.1 Tape
+0,2
-0,10
-0,2
11,5
24,0
-0,1
+0,1
18,3
+0,1
-0,1
0,5
10,9
3,0
-0,3
10x4,0=40,0
-0,1
-0,1
+0,1
-0,0
+0,3
2,0
+0,1
+0,1
0,3
1,5
1,75
12,0
+0,10
The dimensions of the tape are shown in the drawing below (values in mm):
10.2 Reel
tbd
www.stollmann.de
Page 49 of 52
BlueMod+S/AI
10.3 Package Label
Package box, dry shield bag and reel are each marked with the following label:
Stollmann E+V GmbH
name
p/n
firmware
fw p/n
trace
quantity
xxxxxxxxxxxxx
aaaaa-aa
b/c
ddddd-dd
mwwyy
designed and manufactured in Germany
Field
Description
name
Name of product
p/n
Product number
firmware
Firmware version
fw p/n
Product number of firmware
trace
[Manufacturer m (optional)]Date (CalendarWeekYear) wwyy
quantity
Number of contained modules
If the label on the package box is different to the label described please contact Stollmann for
detailed information.
www.stollmann.de
Page 50 of 52
BlueMod+S/AI
11 Ordering Information
11.1 Part Numbers
BlueMod+S is available in the following variants:
Name
Antenna
Order No. MOQ / Comments
units
BlueMod+S/AI
internal
53275-xx
BlueEva+S
Internal
53276-xx
50
1 Evaluation Kits
Other variants on request, please contact Stollmann sales department.
11.2 Standard Packing Unit
The standard packing unit is 400 pieces Tape and Reel
11.3 Evaluation Kit
The kit BlueEva+S is available to evaluate functionality and start your firmware implementation.
12 History
Version
Release Date
By
Change description
r01
20.02.2014
MW/JW
First preliminary release
www.stollmann.de
Page 51 of 52
BlueMod+S/AI
Stollmann Entwicklungs- und Vertriebs-GmbH
Mendelssohnstraße 15 D
22761 Hamburg
Germany
Phone: +49 (0)40 890 88-0
Fax:
+49 (0)40 890 88-444
E-mail: info@stollmann.de
www.stollmann.de
www.stollmann.de
Page 52 of 52

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