Barrot Technology IVTI40E Bluetooth Module User Manual

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i40e Datasheet
February 20, 2014
Version 1.4
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i40e Datasheet
VERSION HISTORY
REVISION
AMENDMENT
1.0
Initial version
1.1
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DATE
AUTHOR
il
2012-06-25
Added certification, contact
Zhu Yong
2012-08-06
information, copyright
1.2
1.3
Wang Yuqiang
Zhu Yong
Huang Ruixue
Format update
2012-11-28
Li Li
Update package information.
2012-12-12
Li Li
2014-2-20
Li Li
Refer to the chapter 11.
1.4
Add FCC & IC number
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i40e Datasheet
Contents
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Block Diagram and Descriptions....................................................................................................... 6
Electrical Characteristics .................................................................................................................. 8
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2.1
Absolute Maximum Ratings ................................................................................................. 8
2.2
Recommended Operating Conditions ................................................................................. 8
2.3
Terminal Characteristics ...................................................................................................... 8
2.4
Current Consumption .......................................................................................................... 9
2.5
Radio Characteristics ......................................................................................................... 10
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2.5.1
Transmitter Radio Characteristics .............................................................................. 10
2.5.2
Receiver Radio Characteristics................................................................................... 10
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Pin Description ............................................................................................................................... 11
Physical Interfaces .......................................................................................................................... 15
4.1
4.1.1
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SPI Interface ....................................................................................................................... 16
4.3
PCM Interface .................................................................................................................... 17
4.3.2
PCM Interface Master/Slave ...................................................................................... 17
Long Frame Sync........................................................................................................ 18
4.3.3
Short Frame Sync....................................................................................................... 19
4.3.4
Multi Slot Operation .................................................................................................. 19
4.3.5
GCI Interface .............................................................................................................. 20
4.3.6
Slots and Sample Formats ......................................................................................... 20
4.3.7
Additional Features ................................................................................................... 21
4.3.8
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PCM Configuration .................................................................................................... 21
Software Stacks .............................................................................................................................. 23
5.1
UART Configuration While RESET is Active ................................................................ 16
4.2
4.3.1
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UART Interface................................................................................................................... 15
BlueSoleil Stack .................................................................................................................. 23
Enhanced Data Rate ....................................................................................................................... 24
6.1
Enhanced Data Rate Baseband .......................................................................................... 24
6.2
Enhanced Data Rate _/4 DQPSK ........................................................................................ 24
6.3
8DQPSK .............................................................................................................................. 25
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Re-flow Temperature-time profile.................................................................................................. 26
Reliability and Environmental Specification ................................................................................... 27
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8.1 Temperature test ...................................................................................................................... 27
8.2 Vibration Test............................................................................................................................ 27
8.3 Desquamation test.................................................................................................................... 27
8.4 Drop test ................................................................................................................................... 27
8.5 Packaging information .............................................................................................................. 28
Layout and Soldering Considerations ............................................................................................. 28
9.1
Soldering Recommendations ............................................................................................. 28
3 / 37
i40e Datasheet
9.2
Layout Guidelines .............................................................................................................. 28
10
Physical Dimensions ....................................................................................................................... 29
11
Package .......................................................................................................................................... 30
12
Certification .................................................................................................................................... 32
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12.1
Bluetooth ........................................................................................................................... 32
12.2
Korea KCC .......................................................................................................................... 33
12.3
Japan TELEC ....................................................................................................................... 34
12.4
Bluetooth Technology Best Developed Corporation ......................................................... 35
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13
Contacts ......................................................................................................................................... 36
14
Copyright ........................................................................................................................................ 37
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i40e Datasheet
i40e
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FEATURES

DESCRIPTION
BlueSoleil i40e is a Bluetooth 2.1 +EDR

Fully Qualified Bluetooth system v2.1 +
EDR,
BQB, KCC, TELEC
(Enhanced Data Rates) Class 2 module. i40e

contains all the necessary elements from

Integrated chip antenna

Industrial temperature range from -400C to
Bluetooth radio to antenna, and a fully
implemented protocol stack.
Support both Master and Slave roles
+850C
By default, i40e module is equipped with

RoHS Compliant
powerful and easy-to-use BlueSoleil firmware.

Support for 802.11 Coexistence
BlueSoleil firmware enables users to access

8Mbits of Flash Memory
Bluetooth functionality with simple ASCII

Low power consumption
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commands delivered to the module over serial
APPLICATIONS
interface - it's just like a Bluetooth modem.
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
Cable replacement
Therefore, i40e provides an ideal solution for

Point-of-sales systems
developers who rapidly want to integrate

Barcode readers and pay terminals
Bluetooth wireless technology into their design.

Telemetry and machine-to-machine
devices

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Automotive inspection and measurement
systems

Medical systems

Fitness and sports telemetry devices
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Figure 1 BlueSoleil i40e
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I40e Datasheet
1 Block Diagram and Descriptions
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BlueSoleil i40e’s block diagram is illustrated in Figure 2 below.
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PCB
antenna
BALUN
FILTER
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26M
crystal
USB
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UART
Bluecore04
EXTFLASH
SPI
PCM
PIO
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8M bit FLASH
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Figure 2 i40e Block Diagram
BlueCore04
Blu
BlueCore4 is a single chip Bluetooth solution which implements the Bluetooth radio
transceiver and also an on chip microcontroller. BlueCore4 implements Bluetooth® 2.1 + EDR
(Enhanced Data Rate) and it can deliver data rates up to 3 Mbps.
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The microcontroller (MCU) on BlueCore04 acts as interrupt controller and event timer run
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the BlueSoleil stack and control the radio and host interfaces. A 16-bit reduced instruction set
computer (RISC) microcontroller is used for low power consumption and efficient use of memory.
BlueCore04 has 48Kbytes of on-chip RAM is provided to support the RISC MCU and is shared
between the ring buffers used to hold voice/data for each active connection and the general
purpose memory required by the BlueSoleil stack.
Crystal
The crystal oscillates at 26MHz.
6 / 37
i40e Datasheet
Flash
Flash memory is used for storing the Bluetooth protocol stack and Virtual Machine
applications. It can also be used as an optional external RAM for memory intensive applications.
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Balun / filter
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Combined balun and filter changes the balanced input/output signal of the module to
unbalanced signal of the monopole antenna. The filter is a band pass filter (ISM band).
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Matching
Antenna matching components match the antenna to 50 Ohms.
Antenna
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The antenna is meander PCB antenna.
USB
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This is a full speed Universal Serial Bus (USB) interface for communicating with other
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compatible digital devices. i40e acts as a USB peripheral, responding to requests from a Master
host controller such as a PC.
Synchronous Serial Interface
This is a synchronous serial port interface (SPI) for interfacing with other digital devices. The
SPI port can be used for system debugging. It can also be used for programming the Flash
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memory.
UART
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This is a standard Universal Asynchronous Receiver Transmitter (UART) interface for
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communicating with other serial devices.
Audio PCM Interface
The audio pulse code modulation (PCM) Interface supports continuous transmission and
reception of PCM encoded audio data over Bluetooth.
Programmable I/O
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i40e has a total of 9 digital programmable I/O terminals. These are controlled by firmware
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running on the device.
RESETB
This can be used to reset i40e. i40e is equipped with circuitry for generating Power ON Reset
from the internal core voltage. A reset is generated when the core voltage falls below typically
1.5V and is released when it rises above typically 1.6V.Via Pin RESETB an external reset is
generated by holding RESETB at ≤ 0.3V for ≥ 5ms.
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i40e Datasheet
802.11 Coexistence Interface
Dedicated hardware is provided to implement a variety of coexistence schemes. Channel
skipping AFH (Adaptive Frequency Hopping), priority signaling, channel signaling and host passing
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of channel instructions are all supported. All mentioned features are configured in firmware.
2 Electrical Characteristics
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2.1 Absolute Maximum Ratings
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The module should not continuously run under extreme conditions. The absolute maximum
ratings are summarized in Table 1 below. Exposure to absolute maximum rating conditions for
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extended periods of time may affect reliability and cause permanent damage to the device.
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Table 1 Absolute Maximum Ratings
Min
Max
Unit
Storage temperature
-40
85
°C
Operating temperature
-40
85
°C
Supply voltage
-0.3
3.6
2.2 Recommended Operating Conditions Sy
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Terminal voltages
Vss-0.4
Vdd+0.4
Recommended operating conditions are summarized in Table 2 below. BlueSoleil i40e
operates as low as 2.7 V supply voltage. However, to safely meet the USB specification for
minimum voltage for USB data lines, minimum of 3.1 V supply is required.
Table 2 Recommended Operating Conditions
Min
Operating temperature
-40
Supply voltage
3.1
2.3 Terminal Characteristics
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Terminal voltages
Ec
Typ
Max
Unit
20
85
°C
3.3
3.6
Vdd
BlueSoleil i40e’s terminal characteristics are summarized in Table 3 below.
Table 3 Terminal Characteristics
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i40e Datasheet
Min
Typ
Max
Unit
VIL input logic level low
-0.4
0.8
VIH input logic level high
0.7Vdd
Vdd + 0.4
VOL output logic level low
0,2
Vdd -0.2
0.64
0.85
1.5
220
kΩ
220
nF
-100
-40
-10
µA
Strong pull-down
10
40
100
µA
Weak pull-up
-5
-1
-0.2
µA
Weak pull-down
0.2
µA
I/O pad leakage current
-1
µA
70
mA
70
mA
I/O voltage levels
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VOH output logic level high
Reset terminal
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VTH,res threshold voltage
RIRES input resistance
CIRES input capacitance
Input and tri-state current with
Strong pull-up
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Vdd supply current
TX mode
RX mode
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2.4 Current Consumption
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BlueSoleil i40e’s current consumption is summarized in Table 4 below.
Table 4 Current Consumption
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Operation Mode
Connection Type
Inquiry and Page scan
ACL No traffic 500ms
Slave
Sniff
ACL with file transfer
Stand by Host
connection(a)
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UART Rate (kbps)
Average
Unit
2.1
mA
9.6
1.9
mA
Master
9.6
1.9
mA
Slave
9.6
Master
9.6
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Ec
22.7
mA
11.5
mA
1.0
mA
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i40e Datasheet
2.5 Radio Characteristics
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2.5.1 Transmitter Radio Characteristics
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i40e meets the Bluetooth v2.1 + EDR specification between -40°C and +85°C. TX output is
guaranteed to be unconditionally stable over the guaranteed temperature range. Refer to Table 5
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below. Measurement conditions: T = 20℃, Vdd = 3,3V
Table 5 Transmitter Radio Characteristics at Basic Data Rate and Temperature 20℃
Item
Maximum output power1,2
F = F0 ± 3MHz
dBm
≧16
dB
≦1000
kHz
≦ 20
dBm
-45
-40
dBm
-50
-40
dBm
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Adjacent channel transmit power
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Adjacent channel transmit power
F = F0 ± > 3MHz
Unit
-6 to 43
35
20dB bandwidth for modulated carrier
F = F0 ± 2MHz
Specification
+2.5
RF power control range
Adjacent channel transmit power
Bluetooth
Typical Value
780
-40
Δf1avg Maximum Modulation
165
1405ms to cause a reset
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Ground
Bi-directional with
programmable
Control output for external LNA(if fitted)
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strength
Bi-directional with
24
PIO(1)
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programmable
strength
25
PIO(2)
26
PIO(3)
27
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PIO(4)
Bi-directional
Programmable Input/Output Line
Bi-directional
Programmable Input/Output Line
Bi-directional with
programmable
strength
Bi-directional with
28
PIO(5)
programmable
strength
29
NC
30
NC
31
NC
32
PIO(9)
33
PIO(10)
34
PIO(11)
Control output for external PA(if fitted)
Programmable Input/Output Line or optional
BT_Priority/CH_Clk output for co-existence
BT_Active output for co-existence
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NC
NC
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Programmable Input/Output Line or optional
NC
Bi-directional
Programmable Input/Output Line
Bi-directional
Programmable Input/Output Line
Bi-directional
Programmable Input/Output Line
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i40e Datasheet
GND
Connect GND pins to the ground plane of PCB.
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VDD
3.3 V supply voltage connection. i40e has an internal decoupling capacitor and LC filter to block
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high frequency disturbances. Thus external filtering is usually not needed. It is however recommended
to leave an option for an external high Q 10pF decoupling capacitor in case EMC problems arise.
RESETB
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The RESET pin is an active high reset and is internally filtered using the internal low frequency
clock oscillator. A reset will be performed between 1.5 and 4.0ms following RESET being active. It is
recommended that RESET be applied for a period greater than 5ms.
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BlueSoleil i40e has an internal reset circuitry, which keeps reset pin active until supply voltage
has reached stability in the start up. See Figure 4below. This ensures that supply for the flash memory
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inside the i40e will reach stability before BC4 chip fetches instructions from it. Schematic of the reset
circuitry is shown in figure 4. Rising supply voltage charges the capacitor, which will activate the reset
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of i40e. The capacitor discharges through 220k resistor, which eventually deactivates the reset. Time
constant of the RC circuitry is set such that the supply voltage is safely stabilized before reset
deactivates. Pull-up or pull-down resistor should not be connected to the reset pin to ensure proper
star up of i40e.
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Figure 4 i40e Internal Reset Circuitry
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PIO0 – PIO5, PIO9 –PIO11
Programmable digital I/O lines.
NC
Leave unconnected.
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i40e Datasheet
RTS
CMOS output with weak internal pull-up. Can be used to implement RS232 hardware flow
control where RTS (request to send) is active low indicator. UART interface requires external RS232
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transceiver chip.
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CTS
CMOS input with weak internal pull-down. Can be used to implement RS232 hardware flow
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control where CTS (clear to send) is active low indicator. UART interface requires external RS232
transceiver chip.
RXD
CMOS input with weak internal pull-down. RXD is used to implement UART data transfer from
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another device to i40e.
TXD
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CMOS output with weak internal pull-up. TXD is used to implement UART data transfer from i40e
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to another device.
PCM_OUT
CMOS output with weak internal pull-down. Used in PCM (pulse code modulation) interface to
transmit digitized audio.
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PCM_IN
CMOS input with weak internal pull-down. Used in PCM interface to receive digitized audio.
PCM_CLK
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Bi-directional synchronous data clock signal pin with weak internal pull-down. PCM_CLK is used
in PCM interface to transmit or receive CLK signal. When configured as a master, i40e generates clock
signal for the PCM interface. When configured as a slave PCM_CLK is an input and receives the clock
signal from another device.
PCM_SYNC
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Bi-directional synchronous data strobe with weak internal pull-down. When configured as a
master, i40e generates SYNC signal for the PCM interface. When configured as a slave PCM_SYNC is an
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input and receives the SYNC signal from another device.
USB_D+
Bi-directional USB data line with a selectable internal 1.5
-up implemented as a current
source (compliant with USB specification v1.2) External series resistor is required to match the
connection to the characteristic impedance of the USB cable.
USB_D-
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i40e Datasheet
Bi-directional USB data line. External series resistor is required to match the connection to the
characteristic impedance of the USB cable.
SPI_CSB
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CMOS input with weak internal pull-up. Active low chip select for SPI (serial peripheral interface).
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SPI_CLK
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CMOS input for the SPI clock signal with weak internal pull-down. i40e is the slave and receives
the clock signal from the device operating as a master.
SPI_MISO
SPI data output with weak internal pull-down.
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SPI_MOSI
SPI data input with weak internal pull-down.
4 Physical Interfaces
4.1 UART Interface
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BlueSoleil i40e Universal Asynchronous Receiver Transmitter (UART) interface provides a simple
mechanism for communicating with other serial devices using the RS232 standard. i40e’s UART
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interface uses voltage levels of 0 to Vdd and thus external transceiver IC is required to meet the
voltage level specifications of UART.
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Figure 5 i40e UART Interface
Four signals are used to implement the UART function, as shown in Figure 5 above. When i40e is
connected to another digital device, UART_RX and UART_TX transfer data between the two devices.
The remaining two signals, UART_CTS and UART_RTS, can be used to implement RS232 hardware flow
control where both are active low indicators. All UART connections are implemented using CMOS
technology and have signaling levels of 0V and VDD.
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i40e Datasheet
In order to communicate with the UART at its maximum data rate using a standard PC, an
accelerated serial port adapter card is required for the PC. The possible UART settings are summarized
in Table 8 below.
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Table 8 Possible UART Settings
UART Parameters
Baud rate
Minimum
Flow control
Parity
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1200 baud (≤2%Error)
9600 baud (≤1%Error)
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Maximum
Possible Values
3.0Mbaud (≤1%Error)
RTS/CTS, none
None, Odd, Even
Number of stop bits
1 or 2
Bits per channel
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The UART interface is capable of resetting i40e upon reception of a break signal. A Break is
identified by a continuous logic low (0V) on the UART_RX terminal, as shown in Figure 5. If tBRK is
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longer than the value, defined by the PS Key PSKEY_HOST_IO_UART_RESET_TIMEOUT(0x1a4), a
reset will occur. This feature allows a host to initialize the system to a known state. Also, i40e can
emit a Break character that may be used to wake the Host. See Figure 6 below.
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Figure 6 Break Signal
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Since UART_RX terminal includes weak internal pull-down, it can’t be left open unless disabling
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UART interface using PS_KEY settings. If UART is not disabled, a pull-up resistor has to be connected to
UART_RX. UART interface requires external RS232 transceiver, which usually includes the required
pull-up.
4.1.1 UART Configuration While RESET is Active
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The UART interface for i40e while the chip is being held in reset is tri-state. This will allow the
user to daisy chain devices onto the physical UART bus. The constraint on this method is that any
4.2 SPI InterfaceueS
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devices connected to this bus must tri-state when i40e reset is de-asserted and the firmware begins to
run.
The synchronous serial port interface (SPI) is for interfacing with other digital devices. The SPI
port can be used for system debugging. It can also be used for programming the Flash memory. SPI
16 / 37
i40e Datasheet
interface is connected using the MOSI, MISO, CSB and CLK pins.
The module operates as a slave and thus MISO is an output of the module. MISO is not in high
impedance state when CSB is pulled high. Instead, the module outputs 0 if the processor is running
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and 1 if it is stopped.
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4.3 PCM Interface
Blu
PCM is a standard method used to digitize audio (particularly voice) for transmission over digital
communication channels. Through its PCM interface, i40e has hardware support for continual
transmission and reception of PCM data, thus reducing processor overhead for wireless headset
applications. i40e offers a bidirectional digital audio interface that routes directly into the baseband
layer of the on-chip firmware. It does not pass through the HCI protocol layer.
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Hardware on i40e allows the data to be sent to and received from a SCO connection. Up to three
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SCO connections can be supported by the PCM interface at any one time.
i40e can operate as the PCM interface master generating an output clock of 128, 256 or
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512kHz.When configured as PCM interface slave, it can operate with an input clock up to 2048KHz.
i40e is compatible with a variety of clock formats, including Long Frame Sync, Short Frame Sync and
GCI timing environments.
It supports 13-bit or 16-bit linear, 8-bit µ-law or A-law companded sample formats at
8ksamples/s and can receive and transmit on any selection of three of the first four slots following
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PCM_SYNC. The PCM configuration options are enabled by setting PSKEY_PCM_CONFIG32(0x1b3).
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4.3.1 PCM Interface Master/Slave
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When configured as the Master of the PCM interface, i40e generates PCM_CLK and PCM_SYNC.
See Figure 7 below.
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i40e Datasheet
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Figure 7 i40e as PCM Master
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When configured as the Slave of the PCM interface, i40e accepts PCM_CLK and PCM_SYNC.
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PCM_CLK rates up to 2048kHz are accepted. See Figure 8 below.
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Figure 8 i40e as PCM Slave
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4.3.2 Long Frame Sync
Long Frame Sync is the name given to a clocking format that controls the transfer of PCM data
words or samples. In Long Frame Sync, the rising edge of PCM_SYNC indicates the start of the PCM
word. When i40e is configured as PCM Master, generating PCM_SYNC and PCM_CLK, then PCM_SYNC
is 8-bits long. When BlueCore4-External is configured as PCM Slave, PCM_SYNC may be from two
consecutive falling edges of PCM_CLK to half the PCM_SYNC rate, i.e. 62.5µs long. See Figure 9 below.
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i40e Datasheet
i40e samples PCM_IN on the falling edge of PCM_CLK and transmits PCM_OUT on the rising edge.
PCM_OUT may be configured to be high impedance on the falling edge of PCM_CLK in the LSB
position or on the rising edge.
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Figure 9 Long frame Sync (shown with 8-bit companded sample)
4.3.3 Short Frame Sync
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In Short Frame Sync the falling edge of PCM_SYNC indicates the start of the PCM word.
PCM_SYNC is always one clock cycle long. See Figure 10 below.
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Figure 10 Short Frame Sync (shown with 16-bit companded sample)
As with Long Frame Sync, I40e samples PCM_IN on the falling edge of PCM_CLK and transmits
PCM_OUT on the rising edge. PCM_OUT may be configured to be high impedance on the falling edge
of PCM_CLK in the LSB position or on the rising edge.
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4.3.4 Multi Slot Operation
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More than one SCO connection over the PCM interface is supported using multiple slots. Up
to three SCO connections can be carried over any of the first four slots. See Figure 11 below.
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i40e Datasheet
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Figure 11 Multi Slot Operation (shown with two slots and 8-bit companded samples)
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4.3.5 GCI Interface
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i40e is compatible with the General Circuit Interface, a standard synchronous 2B+D ISDN timing
interface. The two 64Kbps B channels can be accessed when this mode is configured. See Figure 12
below.
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Figure 12 GCI Interface
The start of frame is indicated by the rising edge of PCM_SYNC and runs at 8K Hz. With i40e in
Slave mode, the frequency of PCM_CLK can be up to 4.096MHz.
4.3.6 Slots and Sample Formats
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i40e can receive and transmit on any selection of the first four slots following each sync
pulse. Slot durations can be either 8 or 16 clock cycles. Duration’s of 8 clock cycles may only be
used with 8-bit sample formats. Durations of 16 clocks may be used with 8, 13 or 16-bit sample
formats.
i40e supports 13-bit linear, 16-bit linear and 8-bit µ-law or A-law sample formats. The
sample rate is 8ksamples/s. The bit order may be little or big endian. When 16-bit slots are used,
the 3 or 8 unused bits in each slot may be filled with sign extension, padded with zeros or a
programmable 3-bit audio attenuation compatible with some Motorola CODECs. See Figure 13
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i40e Datasheet
below.
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Figure 13 16-bit Slot with 13-bit Linear Sample and Audio Gain Selected
4.3.7 Additional Features
i40e has a mute facility that forces PCM_OUT to be 0. In Master mode, PCM_SYNC may also be
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forced to 0 while keeping PCM_CLK running which some CODECS use to control power down.
4.3.8 PCM Configuration
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The PCM configuration is set using two PS Keys, PSKEY_PCM_CONFIG32 and
PSKEY_PCM_LOW_JITTER_CONFIG. They are summarized in Table 9 and Table 10below. The default
for PSKEY_PCM_CONFIG32 key is 0x00800000 i.e. first slot following sync is active, 13-bit linear voice
format, long frame sync and interface master generating 256kHz PCM_CLK from 4MHz internal clock
with no tri-stating of PCM_OUT.
Table 9 PSKEY_PCM_CONFIG32 Description
Name
Bit position
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Set to 0
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Description
0 selects Master mode with internal generation of
SLAVE MODE EN
SHORT SYNC EN
PCM_CLK and PCM_SYNC. 1 selects Slave mode requiring
externally generated PCM_CLK and PCM_SYNC. This should
be set to 1 if 48M_PCM_CLK_GEN_EN (bit 11) is set.
0 selects long frame sync (rising edge indicates start of
frame), 1 selects short frame sync (falling edge indicates
start of frame).
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i40e Datasheet
Set to 0
0 selects padding of 8 or 13-bit voice sample into a 16- bit
slot by inserting extra LSBs, 1 selects sign extension. When
SIGN EXTENDED EN
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padding is selected with
3-bit voice sample, the 3 padding
bits are the audio gain setting; with 8-bit samples the 8
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padding bits are zeroes.
LSB FIRST EN
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TX TRISTATE EN
TX TRISTATE RISING
EDGE EN
0 transmits and receives voice samples MSB first, 1 uses
LSB first.
0 drives PCM_OUT continuously, 1 tri-states PCM_OUT
immediately after the falling edge of PCM_CLK in the last
bit of an active slot, assuming the next slot is not active.
0 tristates PCM_OUT immediately after the falling edge of
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PCM_CLK in the last bit of an active slot, assuming the next
slot is also not active. 1 tristates PCM_OUT after the rising
edge of PCM_CLK.
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0 enables PCM_SYNC output when master, 1 suppresses
SYNC SUPPRESS EN
PCM_SYNC whilst keeping PCM_CLK running. Some
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CODECS utilize this to enter a low power state.
GCI MODE EN
MUTE EN
1 enables GCI mode.
10
1 forces PCM_OUT to 0.
0 sets PCM_CLK and PCM_SYNC generation via DDS from
48M PCM CLK GEN
11
EN
internal 4 MHz clock, as for BlueCore4-External. 1 sets
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PCM_CLK and PCM_SYNC generation via DDS from internal
48 MHz clock.
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0 sets PCM_SYNC length to 8 PCM_CLK cycles and 1 sets
LONG LENGTH SYNC
12
EN
length to 16 PCM_CLK cycles. Only applies for long frame
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sync and with 48M_PCM_CLK_GEN_EN set to 1.
[20:16]
MASTER CLK RATE
Set to 0b00000.
Selects 128 (0b01), 256 (0b00), 512 (0b10) kHz PCM_CLK
[22:21]
frequency when master and 48M_PCM_CLK_GEN_EN (bit
ACTIVE SLOT
11) is low.
[26:23]
Default is 0001. Ignored by firmware
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Selects between 13 (0b00), 16 (0b01), 8 (0b10) bit sample
SAMPLE_FORMAT
[28:27]
with 16 cycle slot duration 8 (0b11) bit sample 8 cycle slot
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duration.
Table 10 PSKEY_PCM_LOW_JITTER_CONFIG Description
Name
CNT LIMIT
CNT RATE
SYNC LIMIT
Bit position
Description
[12:0]
Sets PCM_CLK counter limit
[23:16]
Sets PCM_CLK count rate.
[31:24]
Sets PCM_SYNC division relative to PCM_CLK.
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i40e Datasheet
5 Software Stacks
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BlueSoleil i40e is supplied with Bluetooth v2.1 + EDR compliant stack firmware, which runs on the
internal RISC microcontroller. i40e’s software architecture allows Bluetooth processing and the
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application program to be shared in different ways between the internal RISC microcontroller and an
external host processor (if any).
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5.1 BlueSoleil Stack
The BlueSoleil stack is illustrated in Figure 14 below.
HFP/HSP
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PBAP/MAP
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OBEX/FTP/OPP
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Application
AT CMD
SDP
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BlueSoleil
Firmware
Link Manager
I/O
RAM
Analogue
RFCOMM
Host Controller Interface
GPIO
PCM/I2S
A2DP/AVRCP
L2CAP/eL2CAP
UART/USB
Host
（ARM/MCU/
Any CPU）
SPP
Baseband
DSP
MCU
Hardware
Radio
i40e Solution
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Figure 14 BlueSoleil Stack
In this version of the stack firmware shown no host processor is required to run the Bluetooth
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protocol stack. All BlueSoleil stack layers, including application software, run on the internal RISC
processor.
The host processor interfaces to BlueSoleil stack via one or more of the physical interfaces.
The most common interfacing is done via UART interface using the ASCII commands supported by
the BlueSoleil stack. With these ASCII commands the user can access Bluetooth functionality
without paying any attention to the complexity, which lies in the Bluetooth protocol stack.
The user may write applications code to run on the host processor to control BlueSoleil stack
23 / 37
i40e Datasheet
with ASCII commands and to develop Bluetooth applications. Please refer to BlueSoleil i40e’s
programming manuals: BlueSoleil_i40e_SPP_programming_manual.pdf or
BlueSoleil_i40e_Multi_programming_manual.pdf.
6 Enhanced Data Rate
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EDR has been introduced to provide 2x and optionally 3x data rates with minimal disruption to
higher layers of the Bluetooth stack. CSR supports both of the new data rates, with i40e. i40e is
compliant with revision v2.0.E.2 of the specification.
6.1 Enhanced Data Rate Baseband
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At the baseband level EDR uses the same 1.6kHz slot rate as basic data rate and therefore the
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packets can be 1, 3, or 5 slots long as per the basic data rate. Where EDR differs from the basic data
rate is that in the same 1MHz symbol rate 2 or 3bits are used per symbol, compared to 1bit per
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symbol used by the basic data rate. To achieve the increase in number of bits symbol, two new
modulation schemes have been introduced as summarized in Table 11 below, and the modulation
schemes are explained in the further sections.
Table 11 Data Rate Schemes
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Although the EDR uses new packets Link establishment and management are unchanged and still
use Basic Rate packets.
6.2 Enhanced Data Rate _/4 DQPSK
4 DQPSK includes the following features:

4-state Differential Phase Shift Keying.
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 4-state Differential Phase Shift Keying.
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 2 bits determine phase shift between consecutive symbols. Refer to Table 12 below.
 S/4 rotation avoids phase shift of S, which would cause large amplitude variation.
 Raised Cosine pulse shaping filter to further reduce side band emissions.
Table 12 2 bits Determine Phase Shift between Consecutive Symbols
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i40e Datasheet
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6.3 8DQPSK
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8DQPSK includes the following features:
 8-state Differential Phase-Shift Keying. Refer to Figure 15 below.
 Three bits determine phase shift between consecutive symbols. Refer to Table 13 below.
Table 13 3 bits Determine Phase Shift between Consecutive Symbols
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Figure 15 8DQPSK
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i40e Datasheet
7 Re-flow Temperature-time profile
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The re-flow profiles are illustrated in Figure 16 and Figure 17 below.
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Temp.(0C)
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40+20/-15s
2300C~2450C
2170C
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1500C~1900C
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90+30/-30s
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Time(S)
Figure 16 Typical Lead-free Re-flow Solder Profile
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2170C
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2420C
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Figure 17 Typical Lead-free Re-flow
26 / 37
i40e Datasheet
The soldering profile depends on various parameters according to the use of different solder
and material. The data here is given only for guidance on solder re-flow. i40e will withstand up to
two re-flows to a maximum temperature of 245°C.
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8 Reliability and Environmental Specification
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Blu
8.1 Temperature test
Put the module in demo board which uses exit power supply, power on the module and
connect to mobile. Then put the demo in the ‐40℃ space for 1 hour and then move to +85℃
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space within 1minute, after 1 hour move back to ‐40℃ space within1 minute. This is 1 cycle. The
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cycles are 32 times and the units have to pass the testing.
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8.2 Vibration Test
The module is being tested without package. The displacement requests 1.5mm and sample
is vibrated in three directions(X,Y,Z).Vibration frequency set as 0.5G , a sweep rate of 0.1
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octave/min from 5Hz to 100Hz last for 90 minutes each direction. Vibration frequency set as 1.5G,
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a sweep rate of 0.25 octave/min from 100Hz to 500Hz last for 20 minutes each direction.
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8.3 Desquamation test
Use clamp to fix the module, measure the pull of the component in the module, make sure
the module`s soldering is good.
8.4 Drop test
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Free fall the module (condition built in a wrapper which can defend ESD) from 150cm height
to cement ground, each side twice, total twelve times.The appearance will not be damaged and
all functions OK.
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i40e Datasheet
8.5 Packaging information
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After unpacking, the module should be stored in environment as follows:
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 Temperature: 25℃ ± 2℃
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 Humidity: <60%
 No acidity, sulfur or chlorine environment
The module must be used in four days after unpacking.
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9 Layout and Soldering Considerations
9.1 Soldering Recommendations
Blu
BlueSoleil i40e is compatible with industrial standard reflow profile for Pb-free solders. The
reflow profile used is dependent on the thermal mass of the entire populated PCB, heat transfer
efficiency of the oven and particular type of solder paste used. Consult the datasheet of
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particular solder paste for profile configurations.
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IVT Corporation will give following recommendations for soldering the module to ensure
reliable solder joint and operation of the module after soldering. Since the profile used is process
Blu
and layout dependent, the optimum profile should be studied case by case. Thus following
recommendation should be taken as a starting point guide.
9.2 Layout Guidelines
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It is strongly recommended to use good layout practices to ensure proper operation of the
module. Placing copper or any metal near antenna deteriorates its operation by having effect on
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the matching properties. Metal shield around the antenna will prevent the radiation and thus
metal case should not be used with the module. Use grounding vias separated max 3 mm apart at
the edge of grounding areas to prevent RF penetrating inside the PCB and causing an
unintentional resonator. Use GND vias all around the PCB edges.
The mother board should have no bare conductors or vias in this restricted area, because it is
not covered by stop mask print. Also no copper (planes, traces or vias) are allowed in this area,
because of mismatching the on-board antenna.
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i40e Datasheet
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Blu
Blu
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Figure 18 i40e Restricted Area
Following recommendations helps to avoid EMC problems arising in the design. Note that
each design is unique and the following list do not consider all basic design rules such as avoiding
capacitive coupling between signal lines. Following list is aimed to avoid EMC problems caused by
RF part of the module. Use good consideration to avoid problems arising from digital signals in
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the design.
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Ensure that signal lines have return paths as short as possible. For example if a signal goes to
an inner layer through a via, always use ground vias around it. Locate them tightly and
Blu
symmetrically around the signal vias. Routing of any sensitive signals should be done in the inner
layers of the PCB. Sensitive traces should have a ground area above and under the line. If this is
not possible, make sure that the return path is short by other means (for example using a ground
line next to the signal line).
10 Physical Dimensions
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BlueSoleil i40e’s dimension is 27mm(L)x13mm(W)x2.2mm(H).
29 / 37
i40e Datasheet
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Blu
Blu
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Blu
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Figure 19 i40e Footprint
11 Package
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BlueSoleil i40e package information is summarized in Figure 20 and Figure 21 below.
30 / 37
i40e Datasheet
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Blu
Blu
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Figure 20 Reel Information
Blu
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31 / 37
i40e Datasheet
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Blu
Blu
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Blu
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Figure 21 Tape Information
12 Certification
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12.1 Bluetooth
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BlueSoleil i40e is qualified as a Bluetooth controller subsystem and it fulfills all the mandatory
requirements of Bluetooth 2.1 + EDR core specification. If not modified in any way, it is a complete
Bluetooth entity, containing software and hardware functionality as well as the whole RF-part
including the antenna. This practically translates to that if the module is used without modification of
any kind, it does not need any Bluetooth approval work for evaluation on what needs to be tested.
32 / 37
i40e Datasheet
i40e Qualified Design ID (QDID):
B019398
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Blu
Blu
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Figure 22 B019398 Certificate
12.2 Korea KCC
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According to Korean regulations the OEM integrator using a surface mountable module, such as
i40e, will be responsible for re-evaluating the end product (including the transmitter) and obtaining a
separate authorization for the radio. I40e is fully tested to meet the technical requirements of a radio
for Korean market. The declaration is as follows:
Certificate No.: KCC-CRM-iVT-I40e
33 / 37
i40e Datasheet
Trade Name or Applicant: IVT Corporation
Equipment Name of the Specified Radio:
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Equipment certified by Type Trademark: BlueSoleil
Basic Model Number: i40e
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Serial Model Number: N/A
12.3 Japan
BlTELEC
Manufacturer/Country of Origin:
According to Japanese regulations the OEM integrator using a surface mountable module, such
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as i40e, will be responsible for re-evaluating the end product (including the transmitter) and obtaining
a separate authorization for the radio. BlueSoleil i40e is fully tested to meet the technical
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requirements of a radio for Japanese market. The declaration is as follows:
Blu
Certificate No.: 204-240010
PHOENIX TESTLAB GmbH, operating as a Registered Certification Body (RCB ID:204) with respect
to Japan, declares that the listed product complies with the Technical Regulations conformity
Certification of Specified Radio Equipment (ordinance of MPT N0 .37, 1981), Article 2, Paragraph 1,
Item 19.
Product description:
Bluetooth 2.1+EDR Module
Trademark/Model Name:
BlueSoleil / i40e
Family name:
Serial No:
--
Blu
--
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Software Release No:
--
Type of emissions:
F1D/G1D
Frequency and power:
Bluetooth 2.1+EDR:2402~2480MHz;79 ch;0.09 mW/MHz
Manufacturer:
IVT Corporation
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Address:
5/F, Fa Zhan Building No. 12 Shang Di Xin Xi Road
City:
Country:
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Beijing 100085
China
This Certificate is granted to:
Certificate holder:
IVT Corporation
34 / 37
i40e Datasheet
Address:
5/F, Fa Zhan Building No. 12 Shang Di Xin Xi Road
City:
Beijing 100085
Country:
China
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12.4 FCC
Blu
Host manufacturer: IVT Corporation
Limited Host Brand name: BlueSoleil
Host model number: i40e
FCC ID: S78-IVTI40E
12.5 IC
Blu
Host manufacturer: IVT Corporation
Host Brand name: BlueSoleil
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Host model number: i40e
IC: 11004A-IVTI40E
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This device complies with Industry Canada licence-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.
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This device complies with Part 15 of the FCC Rules and with RSS-210 of Industry Canada.
Blu
Operation is subject to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received, including interference that
may cause undesired operation.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio
exempts de licence.
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L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de
brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si
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le brouillage est susceptible d'en compromettre le fonctionnement.
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.
NOTE: The manufacturer is not responsible for any radio or TV interference caused by
unauthorized modifications or changes to this equipment. Such modifications or changes could void
the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital
35 / 37
i40e Datasheet
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
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instructions, may cause harmful interference to radio communications.
guarantee that interference will not occur in a particular installation.
However, there is no
If this equipment does cause
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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
Blu
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.
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-Consult the dealer or an experienced radio/TV technician for help.
12.6 Bluetooth Technology
Best
Developed Corporation
IVT Corporation is one of Bluetooth technology BEST developed together which is
authenticated by The Bluetooth SIG. See Figure 23 below.
Blu
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Figure 23 IVT is One of Bluetooth Technology BEST Developed Together
13
Contacts
Blu
Contact: Mr. Zhu Yong
Mobile: +86 18910255873
Tel: +86 10 82898219
Fax: +86 10 62963059
36 / 37
i40e Datasheet
Email: embedded@ivtcorporation.com
Address: IVT Corporation. 5/F, Fa Zhan Building No.12, Shang Di Xin Xi Road, Beijing, 100085 P.R. China
Company Site: www.ivtcorporaiton.com
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Support: support@ivtcorporation.com
14 Copyright
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Blu
Copyright © 1999-2012 IVT Corporation
All rights reserved.
IVT Corporation assumes no responsibility for any errors which may appear in the specification.
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Furthermore, IVT Corporation reserves the right to alter the hardware, software, and/or specification
detailed here at any time without notice and does not make any commitment to update the
information contained here.
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BlueSoleil is a registered trademark of IVT Corporation for Bluetooth production.
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The Bluetooth trademark is owned by The Bluetooth SIG Inc., USA and is licensed to IVT Corporation.
All other trademarks listed herein are owned by their respective owners.
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37 / 37

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