PRETTL Elektronik Radeberg PER1220 Bluetooth Serial Port Module User Manual FreePDF Job 9

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Prettl Elektronik
Radeberg GmbH
PER1220
User Manual
Project:
Serial Port Bluetooth Module
Phase:
Approved
Author:
Frank Hennig/EWG.
Status:
Released
Version:
1.0
Last saved: 17.08.2005
Last editor: Scm2ra
User_Manual_PER1220_V11.d
oc
PER1220 Data Book
Page 2/21
Key Features
RFCOMM Module
Complete embedded Bluetooth-Stack up to RFCOMM
Serial Port on chip Application
Bluetooth V1.2 qualified
Point to point or point to multipoint functionality
Class 2 Bluetooth device, 4 dBm
User payload data rate is up to 380 kbps over Bluetooth
Module Interfacing over UART
Temperature Range qualified: - 20 °C to + 70 °C
Mechanical outline: 25.0 mm x 21.5 mm x 2.8 mm
Power Supply: 3.3 V DC
Description
The PER1220 is a ready to market Class 2 Bluetooth Modul Solution. It can easy implemented in any
electronical device to add Bluetooth connectivity. In standard configuration the module includes an 8
Mbit Flash, a radio solution, interfaces to antenna and application together with signalling at RFComm
level. The Module supports both voice and data transmissions.
Since the PER1220 is already a qualified product according to Bluetooth Specification V1.2 the
requested cost and time afford for qualification is kept to a minimum.
The standard software contains a full Bluetooth Protocol Stack up to RFComm and a serial port
application. For example this on-chip-application can support your cable-replacement.
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
PER1220 Data Book
Page 3/21
Table of Contents
1 GENERAL INFORMATION .................................................................................................................. 5
2 MODULE PINOUT DIAGRAMM .......................................................................................................... 6
3 DEVICE TERMINAL FUNCTIONS ....................................................................................................... 7
4 ELECTRICAL CHARACTERISTICS.................................................................................................... 9
5 RADIO CHARACTERISTICS ............................................................................................................. 12
6 PER1220 BLUETOOTH SOFTWARE STACK .................................................................................. 12
6.1
KEY FEATURES .......................................................................................................................... 12
7 DEVICE TERMINAL DESCRIPTION ................................................................................................. 14
7.1
7.2
7.3
7.4
7.5
7.6
ANTENNA .................................................................................................................................. 14
UART INTERFACE ..................................................................................................................... 14
USB INTERFACE ........................................................................................................................ 15
SERIAL PERIPHERAL INTERFACE ................................................................................................. 15
PCM......................................................................................................................................... 15
PIO........................................................................................................................................... 16
8 TYPICAL RADIO PERFORMANCE................................................................................................... 17
9 RECOMMENDED SOLDER PROFILE .............................................................................................. 17
10 INSTALLATION................................................................................................................................ 19
10.1
10.2
10.3
10.4
ANTENNA .................................................................................................................................. 19
POWER SUPPLY......................................................................................................................... 19
INTERFACES .............................................................................................................................. 20
FCC CONFORMANCE ................................................................................................................. 20
11 ORDERING AND CONTACT INFORMATION................................................................................. 20
12 REGULATORY STATEMENTS ....................................................................................................... 21
12.1
FCC STATEMENTS .................................................................................................................... 21
13 DOCUMENT REFERENCES............................................................................................................ 23
14 RECORD OF CHANGES ................................................................................................................. 23
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
PER1220 Data Book
Acronyms and Definitions
BC Module
BlueCore Module
CTS
Clear To Send
HCI
Host Controller Interface
LC
Link Controller
LM
Link Manager
MC
Microcontroller
MCU
Microcontroller Unit
RTS
Request To Send
RxD
Receive Data
TxD
Transmit Data
HCI
Host Controller Interface
SPP
Serial Port Profile
UART
Universal Asynchronous Receiver Transmitter
SPI
Serial Periphal Interface
PCM
Pulse Code Modulation
USB
Universal Serial Bus
PIO
Parallel In-/Output
AIO
Analogue In-/Output
XTAL
BlueCore Clock
Vin
Power Supply
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
Page 4/21
PER1220 Data Book
Page 5/21
1 General Information
The PER1220 Module (see figure 1) is based on a Bluetooth Single Chip from Cambridge Silicon
Radio with a few external components. It has various interfaces to the target hardware / application:
UART, SPI, PCM, USB, PIO and AIO.
XTAL
Flash
USB
SPI
BlueCore
PCM
RAM
RF in
RF out
PIO
2.4 GHz
Bluetooth
Radio
Basisband
DSP
I/O
AIO
Mikrocontroller
UART
Vin = 3,3 V
Figure 1: Overview PER1220
In standard configuration the PER1220 provides a complete Bluetooth protocol stack up to RFCOMM
layer (see figure 2). It is possible to upgrade the firmware and to run an on-chip-application. This gives
Application
Adoption Layer
Host Hardware
a true Bluetooth single chip solution (see also figure 2).
Host Hardware (optional)
Host Transport
Host Transport
Application
RFComm
Link Manager
Bluetooth Baseband
BT_MOD_RFC2
HCI (optional)
BluetoothRadio
Default Stack configuration
L2CAP
HCI (optional)
Link Manager
Bluetooth Baseband
BluetoothRadio
Stack configuration
with On-Chip-Application
Figure 2: Firmware configurations
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
BT_MOD_RFC2
Adoption
RFComm
Layer
L2CAP
PER1220 Data Book
Page 6/21
2 Module Pinout Diagramm
PCM_OUT
PCM_SYNC
PCM_IN
PCM_CLK
USB_D+
USB_DPIO(7)
PIO(6)
PIO(5)
PIO(4)
PIO(3)
PIO(2)
PIO(1)
PIO(0)
GND
Antenna
GND
34
10
11
12
13
14
15
16
17
PER1220
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
GND
+3V3
(TP +1V8)
UART_RX
UART_RTS
UART_TX
UART_CTS
SPI_MOSI
SPI_CLK
SPI_CSB
SPI_MISO
NC
AIO(1)
AIO(0)
GND
NC
GND
Figure 3: BT_MOD_RFC2 Pinout Diagramm
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
PER1220 Data Book
Page 7/21
3 Device Terminal Functions
Radio
and Power Supply
Pin
Padtype
Antenna
16
Analogue, Z0 = 50 Ohm
RF IO
Power Supply
33
3V3
Positive power supply for
PER1220
Testpoint
Pin
Testpoint
32
PCM Interface
Pin
Padtype
+1V8
Description
Description
VREG Testpoint
Padtype
Description
PCM_Out
CMOS output, tristatable with weak
internal pull-down
Synchronous data output
PCM_IN
CMOS input, tristatable with weak
internal pull-down
Synchronous data input
PCM_SYNC
Bi-directional with weak internal pulldown
Synchronous data SYNC
PCM_CLK
Bi-directional with weak internal pulldown
Synchronous data clock
UART and USB
Pin
UART_TX
29
CMOS output
UART data output active high
UART_RX
31
CMOS input with weak internal pulldown
UART data input active high
UART_RTS
30
CMOS output, tristatable with weak
internal pull-up
UART request to send active low
UART_CTS
28
CMOS input with internal weak pulldown
UART clear to send active low
Bi-directional
USB data plus
Bi-directional
USB data minus
(4)
USB_D+
USB_D-
(4)
Padtype
Padtype
Description
SPI
Pin
SPI_CSB
25
CMOS input with weak internal pull-up
Chip select for Serial Peripheral
Interface active low
SPI_CLK
26
CMOS input with weak internal pulldown
Serial Peripheral Interface clock
SPI_MOSI
27
CMOS input with weak internal pulldown
Serial Peripheral Interface input
SPI_MISO
24
CMOS output, tristatable with weak
internal pull-down
Serial Peripheral Interface ouput
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
Description
PER1220 Data Book
PIO Port
Page 8/21
(2)
Pin
Padtype
Description
PIO(0)
14
Bi-directional with programmable weak
internal pull-up/down
Programmable input/output line
PIO(1)
13
Bi-directional with programmable weak
internal pull-up/down
Programmable input/output line
12
Bi-directional with programmable weak
internal pull-up/down
PIO or USB pull-up (via 1.5kΩ
resistor to USB_D+)
11
Bi-directional with programmable weak
internal pull-up/down
PIO or output goes high to wake
up PC when in USB mode or
external RAM chip select
10
Bi-directional with programmable weak
internal pull-up/down
PIO or USB on (input senses
when VBUS is high, wake
BlueCore02)
Bi-directional with programmable weak
internal pull-up/down
PIO line or chip detaches from
USB when this input is high
PIO(6)/CLK_REQ
Bi-directional with programmable weak
internal pull-up/down
PIO line or clock request output to
enable external clock for ecternal
clock line
PIO(7)
Bi-directional with programmable weak
internal pull-up/down
Programmable input/output line
AIO(0)
21
Bi-directional with programmable weak
internal pull-up/down
Programmable input/output line
(3)
AIO(1)
22
Bi-directional with programmable weak
internal pull-up/down
Programmable input/output line
(3)
PIO(2)/USB_PULL_UP
(1)
PIO(3)/USB_WAKE_UP/R
(1)
AM_CSB
PIO(4)/USB_ON
(1)
PIO(5)USB_DETACH
(1)
Notes:
(1)
USB functions can be software mapped to any PIO terminal
(2)
All PIO’s are configured as inputs with weak pull-downs at reset.
(3)
Unused AIO pins may be left unconnected
(4)
If unused USB_D+ and USB_D- should be connected to ground
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
(1)
PER1220 Data Book
Page 9/21
4 Electrical Characteristics
Absolute Maximum Ratings
Rating
Min
Max
-20 °C
+70 °C
Min
Max
Operating Temperature Range
-20 °C
+ 70°C
Supply Voltage +3V3
3.0 V
3.6 V
Storage Temperature
Supply Voltage +3V3
Recommended Operating Conditions
Operating Condition
Input/Output Terminal Characteristics
Digital Terminals
Min
Typ
Max
Unit
-0,4
+0.8
-0.4
+0.4
2.31
3.7
VOL output logic level low, (Io=4.0mA), VDD =3.0 V
0.2
VOL output logic level low, (Io=4.0mA), VDD =1.8 V
0.4
VOH output logic level high, (Io=4.0mA), VDD =3.0 V
3.1
VOH output logic level high, (Io=4.0mA), VDD =3.0 V
2.9
Strong pull-up
+100
-20
-10
µA
Strong pull-down
+10
+20
+100
µA
Weak pull-up
-5
-1
µA
Weak pull-down
+1
+5
µA
I/O pad leakage current
-1
+1
µA
C Input Capacitance
2.5
10
pF
Input Voltage
VIL input logic level low (VDD=3.0 V)
(VDD=1.8 V)
VIH input logic level high
Output Voltage
Input and Tristate Current with:
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
PER1220 Data Book
Page 10/21
Input/Output Terminal Characteristics (Continued)
USB Terminals
Min
Typ
Max
Unit
1.32
2.31
-1
µA
2.5
10
pF
VOL output logic level low
0.2
VOL output logic level high
2.8
3.3
Input threshold
VIL input logic level low
VIH input logic level high (VDD_PADS=3.46 V)
(2)
Input leakage current
0 < VIN < 3.3 V
(1)
CI Input capacitance
Output levels to correctly terminated USB Cable
Notes:
Current drawn into a pin is defined as positive; current supplied output of a pin is defined as negative.
(1)
Internal USB pull-up disabled.
(2)
3.46 V= 3.3 V + 5 %
Input/Output Terminal Characteristics (Continued)
Auxillary DAC, 8-Bit Resolution
Resolution
Average Output step size
(1)
Min
Typ
Max
Unit
Bits
12.5
14.5
17.0
mV
Ouput Voltage
monotonic
Voltage Range (Io=0)
(1)
VDD_PIO
-10
+0.1
mA
Minimum output voltage (Io=100 µA)
0.2
Maximum output voltage (Io=10 mA)
VDD_PIO-0.3
VDD_PIO
-1
+1
µA
-220
+120
mV
Integral non-linearity
-2
+2
LSB
Starting time (50pF load)
10
µs
Setting time (50pF load)
µs
Current Rage
High Impedance Leakage Current
Offset
(1)
(1) Specified for an output voltage between 0.2 V and 1.6 V
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
PER1220 Data Book
Page 11/21
Average Power Consumption
(1)
Temperature = +20 °C
Mode
Min
Average
Max
(Peak)
Unit
Inquiry Scan
inquiry intervall = 1.28 s
inquiry window = 11.25 ms
0.065
1.3
29.1
mA
ACL link (Slave), no data transfer,
sniff intervall = 0.64 s
Sniff attempt = 2.5 ms
sniff timeout = 2.5 ms
park intervall = 1.28 s
0.065
0.342
23.2
mA
1.7
22.6
38.5
mA
0.065
0.088
1.5
mA
ACL link (Slave), data transfer
Standby, no radio activity, UART
115.5 kbit/s, Slave
Deep Sleep Leakage Current
(1)
Supply Voltage = 3.3 V Temperature = +20 °C
Mode
Deep Sleep
Value
Unit
65
µA
Notes:
(1) Power Consumption is the sum of both Bluetooth Single Chip and flash (see figure 4)
These results are only correctly with firmware v16.4.4 and the on-chip application “Serial Port Profile”
Slave.
VREG
3.3 V
Flash
1.8 V
Bluetooth
Single
Chip
Figure 4: Power Consumption Measurement Setup
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
PER1220 Data Book
Page 12/21
5 Radio Characteristics
The PER1220 Bluetooth Module is qualified according to Bluetooth Specification V 1.2. So its radio
characteristics are equal or better as requested in the specification.
Please contact PRETTL support staff for more detailed information.
6 PER1220 Bluetooth Software Stack
PER1220 comes with a Bluetooth stack firmware running in the internal RISC microcontroller. This is
compliant to the Bluetooth Specification V1.2
The Bluetooth Module software architecture includes an on chip “Serial Port Profile” application. This
eliminates the need for host-side software and processing time. Therefore it is easy to implement the
PER1220 in a legacy application.
Host Hardware (optional)
Host Transport
Application
L2CAP
HCI (optional)
Link Manager
BT_MOD_RFC2
Adoption
RFComm
Layer
Bluetooth Baseband
BluetoothRadio
Stack configuration
with On-Chip-Application
Figure 5: Stack configuration with On-Chip Application
This firmware requires no host processor. All software layers, including application software, run on
the internal RISC processor in a protected user software execution code environment.
6.1
Key Features
Interfaces to Host
• RFCOMM, an RS-232 serial cable emulation protocol
•
SDP, a service database look-up protocol
Connectivity
• Maximum number of active slaves: 3
•
Maximum number of simultaneous active ACL connections: 3
•
Maximum number of simultaneous active SCO connections: 3
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
PER1220 Data Book
•
Page 13/21
Data Rate up to 380 kbit/s
Security
• Full support for all Bluetooth security features up to and including strong (128-bit) encryption
Power Saving
• Full support for all Bluetooth power saving modes (Park, Sniff and Hold)
•
System Power saving modes (Deep Sleep, Shallow Sleep)
Data Integrity
• Channel Quality Driven Data Rate (CQDDR) increases the effective data rate in noisy
environments
•
Receiver Signal Strength Indicator (RSSI) used to minimise interference to other radio using ISM
band
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
PER1220 Data Book
Page 14/21
7 Device Terminal Description
7.1
Antenna
2.4 GHz Antenna (Z0 = 50 Ohm)
Min. 100 MHz Bandwidth
Temperature range: -20 °C to + 70 °C
A ceramic antenna requires a copper free area in all PCB layers
Antenna gain: 0 dBi (If your antenna uses another antenna gain, you must do your own FCC
approval)
This antenna gain is mandatory for the FCC limited modular approval. See Chapter 12 “Regulatory
Statements”.
7.2
UART Interface
PER1220 Universal Asynchronous Receiver Transmitter (UART) interface provides a simple
mechanism for communicating with other serial devices using the RS232 Standard
(1)
PER1220
UART_TX
UART_RX
UART_RTS
UART_CTS
Figure 6: Universal Asynchronous Receiver Transmitter
Four signals are used to implement the UART Function as shown in figure 6. When PER1220 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 signalling levels of 0 V and 3.3 V.
UART configuration parameters, such baud rate and packet format, can optionally set
Note:
(1)
Uses RS232 Protocol, but voltage levels are 0 V to 3.3 V (requires external RS232 transceiver IC)
Parameter
Minimum
Baud Rate
Parity
Stop Bit
Bits per channel
1200 Baud (<= 2% Error)
9600 Baud (<= 1% Error)
Maximum
Flow Control
Possible Values
1.5 Mbaud (<= 1% Error)
RTS/CTS or none
None, odd, even
1 or 2
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
PER1220 Data Book
Page 15/21
The UART interface is cabable of resetting the PER1220 upon reception of a break signal (see figure
8). A break is identified by a continuos logic low on the RX terminal, as shown in figure. If tbrk is longer
than the value, defined as manufacture setting, a reset will occur.
tbrk
Figure 8: UART Break Signal
7.3
USB Interface
PER1220 contain a full speed (12 Mbit/s) USB interface, capable of driving a USB cable directly. No
external USB transceiver is required. The device operates as a USB peripheral, responding to
requests from a master host controller such a PC. Both the OHCI and the UHCI standards are
supported. The set of USB endpoints implemented behave as a specified in the USB section of the
Bluetooth Specification V1.2, part H2.
As USB is a master-slave oriented system, PER1220 only supports USB slave operation.
®
For more details, please contact PRETTL Support.
7.4
Serial Peripheral Interface
PER1220 holds the firmware and the persistent store in a flash. It can be read/write by the SPI.
®
Normally, this will be done by PRETTL . Ask for more details
7.5
PCM
Pulse Code Modulation (PCM) is the standard method used to digitise human voice patterns for
transmission over digital communication channels. Through it’s PCM interface, PER1220 has
hardware support for continual transmission and reception of PCM data, thus reducing processor
overhead for wireless headset applications. PER1220 offers a bi-directional digital audio interface that
routes directly into the Baseband layer to the on-chip firmware. It does not pass through the HCI
protocol layer.
Hardware on PER1220 allows the data to be sent and received from a SCO connection.
Up to three SCO connections can be supported by the PCM interface at any one time.
(1)
PER1220 can operate as the PCM interface Master generating an output clock of 128, 256 or 512
kHz. When configured as PCM interface slave it can operate with an input clock up to 2048 kHz.
PER1220 is compatible with a variety of clock formats, including Long Frame Sync, Short Frame Sync
and GCI timing environments.
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
PER1220 Data Book
Page 16/21
It support 13- or 16-bit-linear, 8-bit-µ-law or A-law companded sample formats at 8 ksamples/s and
can receive and transmit on any selection of three of the first four slots following PCM_SYNC. The
PCM configuration options are enabled by setting a Persistent Store Key.
PER1220 interfaces directly to PCM devices includes the following:
•
Qualcomm MSM 3000 series and MSM 5000 series CDMA Baseband devices
•
OKI MSM7705 four channel A-law and µ-law CODEC
•
Motorola MC145481 8-bit-A-law and µ-law CODEC
•
Motorola MC145483 13-bit-A-law and µ-law CODEC
TM
PER1220 is also compatible with Motorola SSi
Interface
Ask for PER1220 that includes the Audio CODEC.
Note:
(1)
Subject to firmware support, contact PRETTL for details
7.6
PIO
The Parallel Input Output (PIO) Port is a general purpose I/O interface to PER1220. The port consists
of 8 programmable, bi-directional lines, PIO[7,0]
Programmable I/O lines can be accessed either via an embedded application running on PER1220 or
via private channel.
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
PER1220 Data Book
Page 17/21
8 Typical Radio Performance
The PER1220 Bluetooth Module operates according to the Bluetooth Specification Version 1.2.
Please contact PRETTL support staff for more information.
9 Recommended Solder Profile
Detailed handling requirements for manufacturing: see IPC A 610 class 2.
Required soldering profile:
For any application the pre-qualified module PER1220 should be surface mounted to any kind of a
solid motherboard.
The pinout of the module is optimized for a standard FR4 pcb with NiAu plating.
Profile specification in case of manual soldering:
Nominal temperature: 340°C
Heat duration per pin: 6s (max)
solder: Sn 60 Pb 38 Cu Typ C 3,5%
Profile specification in case of double reflow soldering:
The reflow process has to be compliant to our process specification Reflow V6 (parameters
see below).
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
PER1220 Data Book
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
Page 18/21
PER1220 Data Book
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10 Installation
This guide describes the installation of the PER1220 in a target PCB. They are mandatory to be
conform to the FCC limited modular approval.
10.1 Antenna
The antenna must be mounted on a cupper area as you can see in figure 1
A 50 Ohm microstrip wire is used for connecting it to the PER1220
Antenna type: Phycomp 4313-115-00245 (Multilayer Ceramic Antenna)
Characteristics:
Description
Value
Center frequency
2.45, 260 and 2,70 GHz
Bandwith
100 MHz
Gain
0 dBi max.
VSWR
2 max.
Polarization
Linear
Azimuth beamwidth
Omni-directional
Impedance
50 Ohm
Power dissipation
1W
Operatin temperature
-55 to + 125 °C
Terminations
NiSn
Resistance to soldering heat
260 °C for 10s
Weight
0.16 g
copper free area
6 mm
2 mm
50 Ohm microstrip wire
Antenna
6 mm
Figure 1: Mounting the antenna on the PCB
10.2 Power Supply
PER1220 needs an external power supply:
stabilized 3.3 Volt DC (± 10%)
max. current consumption 100 mA, peak: 120 mA
There are two different voltage rails inside the PER1220. One section of the module is directly
powered with 3.3 Volt input voltage. The other section is powered with 1.8 Volt. Therefore the
PER1220 includes a 1.8 V voltage regulator.
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
PER1220 Data Book
10.3 Interfaces
The PER1220 uses 3.3 Volt CMOS Logic.
10.4 FCC Conformance
The FCC conformance is achieved with these instructions.
The endproduct must be labeled with the following information.
FCC-ID
FCC Logo
- This label must be displayed outside of the end product.
11 Ordering and Contact Information
Order code: tbd
Prettl Elektronik Radeberg GmbH
Customer Support CST 2
Robert-Bosch-Strasse 10
D-01454 Radeberg
Germany
info.prettl-elektronik@prettl.com
www.prettl-elektronik.de
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
Page 20/21
PER1220 Data Book
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12 Regulatory Statements
The PER1220 Bluetooth module has to be implemented and used according to technical
®
description/specification provided by PRETTL .
TM
This Bluetooth module is intended to use in all States where the Bluetooth
technology and the used
frequency band is released.
The PER1220 Bluetooth module is conform to the following specifications/standards:
Parts of:
•
FCC Part 15
•
EN 300 328-1
Bluetooth Qualification Test Report (foto einfügen):
12.1 FCC Statements
The PER1220 is certified according FCC Part 15. This is a limited modular approval. Therefore you
must comply with the following instructions. If not, you have to do your own FCC approval for your
endproduct.
The chapter “Installation” describes these instructions.
RF Exposure
This device and its antenna must not be co-located or operating in conjunction with any other antenna
or transmitter.
Label requirements
The modular transmitter is be labeled with its own FCC ID number, and, if the FCC ID is not visible
when the module is installed inside another device, then the outside of the device into which the
module is installed must also display a label referring to the enclosed module. This exterior label can
use wording such as the following: „Contains Transmitter Module FCC ID: TJXPER1220“ or „Contains
FCC ID: TJXPER1220.”
Statement according to FCC part 15.19
This device complies with Part 15 of the FCC Rules. 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.
Statement according to FCC part 15.21
Modifications not expressly approved by this company could void the user's authority to operate the
equipment.
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
PER1220 Data Book
Page 22/21
For a Class A digital device
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which case
the user will be required to correct the interference at his own expense.
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.
PER1220 Data Book
Page 23/21
13 Document References
•
Bluetooth Specification Version 1.2
•
Universal Serial Bus Specification Version 1.1 (September 1998)
14 Record of Changes
Date
Version
2005-07-29
1.0
Reason for Change
first issue
Copyright  Prettl Elektronik Radeberg GmbH. All rights reserved.

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