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BC41B143A-ds-003Pc
Advance Information
© Cambridge Silicon Radio Limited 2005
Page 1 of 94
_äìÉ`çêÉ»QJolj=mäìÖJåJdç»= Data Sheet
_äìÉ`çêÉ»QJolj=mäìÖJåJdç»Device Features
Data Sheet
Advance InformationCSR PLC2005
c2005BC41B143A -ds-003P© 2005 Cambridge S ilicon Radio Lim ited
Fully Qualified Bluetooth v2.0+EDR system
Full Speed Bluetooth Operation with Full Piconet
Support
Scatternet Support
Low Power 1.8V operation
10 x 10mm 96-ball LFBGA Package
Minimum External Components
Integrated 1.8V Regulator
Dual UART Ports
RF Plug-n-Go Package
50Ω Matched Connection to Antenna
RoHS Compliant
Single Chip Bluetooth
®
v2.0 + EDR System
Advance Information Data Sheet For
BC41B143A
July 2005
General Description Applications
The _äìÉ`çêÉ
»
QJolj=mäìÖJåJdç
»
is a single
chip radio and baseband IC for Bluetooth 2.4GHz
systems. It is implemented in 0.18µm CMOS
technology.
Automotive
Mice
Keyboards
BC41B143A contains 4Mbit of internal ROM memory.
When used with CSR Bluetooth stack, it provides a
fully compliant Bluetooth system to v2.0 + EDR of the
specification for data and voice.
BlueCore4-ROM Plug-n-Go has the same pinout and
electrical characteristics as available in
BlueCore4-Flash Plug-n-Go to enable development
of custom code before committing to ROM. It also has
the same pinout as BlueCore2-ROM Plug-n-Go and
BlueCore2-Flash Plug-n-Go to keep compatibility.
System Architecture
BlueCore4-ROM Plug-n-Go has been designed to
reduce the number of external components required
which ensures production costs are minimised. The
0.8mm pitch BlueCore4-ROM Plug-n-Go can be used
on either two or four layer PCB construction.
The device incorporates auto-calibration and built in
self test (BIST) routines to simplify development, type
approval and production test. All hardware and
device firmware is fully compliant with the Bluetooth
v2.0 + EDR specification.
SPI
UART/USB
2.4
GHz
Radio
I/O
RF
OUT
RAM
Baseband
DSP
MCU
ROM
PIO
PCM
RF IN
XTAL
BC41B143A-ds-003Pc
Advance Information
© Cambridge Silicon Radio Limited 2005
Page 2 of 94
_äìÉ`çêÉ»QJolj=mäìÖJåJdç»= Data Sheet
Contents
1 Status Information .......................................................................................................................................... 7
2 Key Features .................................................................................................................................................... 8
3 Package Information ....................................................................................................................................... 9
3.1 BC41B143A Pinout Diagram ................................................................................................................... 9
3.2 BC41B143A-ANN-E4 Device Terminal Functions ................................................................................. 10
4 Electrical Characteristics ............................................................................................................................. 14
4.1 Power Consumption .............................................................................................................................. 19
5 Radio Characteristics - Basic Data Rate ..................................................................................................... 20
5.1 Temperature +20°C ............................................................................................................................... 20
5.1.1 Transmitter ................................................................................................................................ 20
5.1.2 Receiver .................................................................................................................................... 22
5.2 Temperature -40°C ................................................................................................................................ 24
5.2.1 Transmitter ................................................................................................................................ 24
5.2.2 Receiver .................................................................................................................................... 24
5.3 Temperature -25°C ................................................................................................................................ 25
5.3.1 Transmitter ................................................................................................................................ 25
5.3.2 Receiver .................................................................................................................................... 25
5.4 Temperature +85°C ............................................................................................................................... 26
5.4.1 Transmitter ................................................................................................................................ 26
5.4.2 Receiver .................................................................................................................................... 26
6 Radio Characteristics - Enhanced Data Rate ............................................................................................. 27
6.1 Temperature +20°C ............................................................................................................................... 27
6.1.1 Transmitter ................................................................................................................................ 27
6.1.2 Receiver .................................................................................................................................... 28
6.2 Temperature -40°C ................................................................................................................................ 29
6.2.1 Transmitter ................................................................................................................................ 29
6.2.2 Receiver .................................................................................................................................... 29
6.3 Temperature -25°C ................................................................................................................................ 30
6.3.1 Transmitter ................................................................................................................................ 30
6.3.2 Receiver .................................................................................................................................... 30
6.4 Temperature +85°C ............................................................................................................................... 31
6.4.1 Transmitter ................................................................................................................................ 31
6.4.2 Receiver .................................................................................................................................... 31
7 Device Diagram ............................................................................................................................................ 32
8 Description of Functional Blocks ................................................................................................................ 33
8.1 RF Receiver ........................................................................................................................................... 33
8.1.1 Low Noise Amplifier .................................................................................................................. 33
8.1.2 Analogue to Digital Converter ................................................................................................... 33
8.2 RF Transmitter ....................................................................................................................................... 33
8.2.1 IQ Modulator ............................................................................................................................. 33
8.2.2 Power Amplifier ......................................................................................................................... 33
8.2.3 Auxiliary DAC ............................................................................................................................ 33
8.3 Balun and Filter ..................................................................................................................................... 33
8.4 RF Synthesiser ...................................................................................................................................... 33
8.5 Clock Input and Generation .................................................................................................
.................. 33
8.6 Baseband and Logic .............................................................................................................................. 34
8.6.1 Memory Management Unit ....................................................................................................... 34
8.6.2 Burst Mode Controller ............................................................................................................... 34
8.6.3 Physical Layer Hardware Engine DSP ..................................................................................... 34
BC41B143A-ds-003Pc
Advance Information
© Cambridge Silicon Radio Limited 2005
Page 3 of 94
_äìÉ`çêÉ»QJolj=mäìÖJåJdç»= Data Sheet
8.6.4 RAM (48Kbytes) ....................................................................................................................... 34
8.6.5 ROM ......................................................................................................................................... 34
8.6.6 USB .......................................................................................................................................... 34
8.6.7 Synchronous Serial Interface .................................................................................................... 34
8.6.8 UART ........................................................................................................................................ 34
8.7 Microcontroller ....................................................................................................................................... 35
8.7.1 Programmable I/O .................................................................................................................... 35
8.7.2 802.11 Co-Existence Interface ................................................................................................. 35
9 CSR Bluetooth Software Stacks .................................................................................................................. 36
9.1 BlueCore HCI Stack ............................................................................................................................. 36
9.1.1 Key Features of the HCI Stack: Standard Bluetooth Functionality ........................................... 37
9.1.2 Key Features of the HCI Stack: Extra Functionality .................................................................. 38
9.2 BlueCore RFCOMM Stack .................................................................................................................... 39
9.2.1 Key Features of the BlueCore4-ROM Plug-n-Go RFCOMM Stack .......................................... 40
9.3 BlueCore Virtual Machine Stack ............................................................................................................ 41
9.4 BlueCore HID Stack .............................................................................................................................. 42
9.5 Host-Side Software ................................................................................................................................ 43
9.6 Device Firmware Upgrade ..................................................................................................................... 43
9.7 BCHS Software ..................................................................................................................................... 43
9.8 Additional Software for Other Embedded Applications .......................................................................... 43
9.9 CSR Development Systems .................................................................................................................. 43
10 Device Terminal Descriptions ...................................................................................................................... 44
10.1 RF Ports ................................................................................................................................................ 44
10.1.1 RF Plug-n-Go ............................................................................................................................ 44
10.1.2 Single-Ended Input (RF_IN) ..................................................................................................... 45
10.2 External Reference Clock Input (XTAL_IN) ........................................................................................... 46
10.2.1 External Mode ........................................................................................................................... 46
10.2.2 XTAL_IN Impedance in External Mode .................................................................................... 46
10.2.3 Clock Timing Accuracy ............................................................................................................. 46
10.2.4 Clock Start-Up Delay ................................................................................................................ 47
10.2.5 Input Frequencies and PS Key Settings ................................................................................... 48
10.3 Crystal Oscillator (XTAL_IN, XTAL_OUT) ............................................................................................. 49
10.3.1 XTAL Mode ............................................................................................................................... 49
10.3.2 Load Capacitance ..................................................................................................................... 50
10.3.3 Frequency Trim ......................................................................................................................... 51
10.3.4 Transconductance Driver Model ............................................................................................... 52
10.3.5 Negative Resistance Model ...............................................................................................
....... 52
10.3.6 Crystal PS Key Settings ............................................................................................................ 53
10.3.7 Crystal Oscillator Characteristics .............................................................................................. 53
10.4 UART Interface ...................................................................................................................................... 56
10.4.1 UART Bypass ........................................................................................................................... 58
10.4.2 UART Configuration While RESET is Active ............................................................................ 58
10.4.3 UART Bypass Mode ................................................................................................................. 58
10.4.4 Current Consumption in UART Bypass Mode .......................................................................... 58
10.5 USB Interface ........................................................................................................................................ 59
10.5.1 USB Data Connections ............................................................................................................. 59
10.5.2 USB Pull-Up Resistor ............................................................................................................... 59
10.5.3 Power Supply ............................................................................................................................ 59
10.5.4 Self-Powered Mode .................................................................................................................. 60
10.5.5 Bus-Powered Mode .................................................................................................................. 61
10.5.6 Suspend Current ....................................................................................................................... 62
BC41B143A-ds-003Pc
Advance Information
© Cambridge Silicon Radio Limited 2005
Page 4 of 94
_äìÉ`çêÉ»QJolj=mäìÖJåJdç»= Data Sheet
10.5.7 Detach and Wake_Up Signalling .............................................................................................. 62
10.5.8 USB Driver ................................................................................................................................ 62
10.5.9 USB 1.1 Compliance ................................................................................................................ 63
10.5.10 USB 2.0 Compatibility ............................................................................................................... 63
10.6 Serial Peripheral Interface ..................................................................................................................... 64
10.6.1 Instruction Cycle ....................................................................................................................... 64
10.6.2 Writing to BlueCore4-ROM Plug-n-Go ...................................................................................... 65
10.6.3 Reading from BlueCore4-ROM Plug-n-Go ............................................................................... 65
10.6.4 Multi-Slave Operation ............................................................................................................... 65
10.7 PCM CODEC Interface .......................................................................................................................... 66
10.7.1 PCM Interface Master/Slave ..................................................................................................... 67
10.7.2 Long Frame Sync ..................................................................................................................... 68
10.7.3 Short Frame Sync ..................................................................................................................... 68
10.7.4 Multi-slot Operation ................................................................................................................... 69
10.7.5 GCI Interface ............................................................................................................................ 69
10.7.6 Slots and Sample Formats ....................................................................................................... 70
10.7.7 Additional Features ................................................................................................................... 70
10.7.8 PCM Timing Information ........................................................................................................... 71
10.7.9 PCM Configuration ................................................................................................................... 76
10.8 I/O Parallel Ports ................................................................................................................................... 78
10.8.1 PIO Defaults for BlueCore4-ROM Plug-n-Go ........................................................................... 78
10.9 I2C Interface .......................................................................................................................................... 79
10.10 TCXO Enable OR Function ................................................................................................................... 80
10.11 RESET and RESETB ............................................................................................................................ 81
10.11.1 Pin States on Reset .................................................................................................................. 82
10.11.2 Status after Reset ..................................................................................................................... 82
10.12 Power Supply ........................................................................................................................................ 83
10.12.1 Voltage Regulator (Plug-n-Go) ................................................................................................. 83
10.12.2 Sequencing ............................................................................................................................... 83
10.12.3 Sensitivity to Disturbances ........................................................................................................ 83
10.12.4 VREG_EN Pin ............................................................................................................
.............. 83
11 Product Reliability Tests .............................................................................................................................. 84
12 Product Reliability Tests for BlueCore4-ROM Plug-n-Go Automotive ..................................................... 85
12.1 AEC-Q100 ............................................................................................................................................. 85
13 Application Schematic .................................................................................................................................. 86
14 Package Dimensions .................................................................................................................................... 87
14.1 10 x 10 LFBGA 96-Ball 1.6mm Package .............................................................................................. 87
15 Ordering Information .................................................................................................................................... 88
15.1 BlueCore4-ROM Plug-n-Go ................................................................................................................... 88
16 Contact Information ...................................................................................................................................... 89
17 Document References .................................................................................................................................. 90
18 Terms and Definitions .................................................................................................................................. 91
19 Document History ......................................................................................................................................... 94
BC41B143A-ds-003Pc
Advance Information
© Cambridge Silicon Radio Limited 2005
Page 5 of 94
_äìÉ`çêÉ»QJolj=mäìÖJåJdç»= Data Sheet
List of Figures
Figure 3.1 BlueCore4-ROM Plug-n-Go 10 x 10mm LFBGA Package ........................................................... 9
Figure 7.1 BlueCore4-ROM Plug-n-Go Device Diagram ............................................................................. 32
Figure 9.1 BlueCore HCI Stack.................................................................................................................... 36
Figure 9.2 BlueCore RFCOMM Stack.......................................................................................................... 39
Figure 9.3 Virtual Machine ........................................................................................................................... 41
Figure 9.4 HID Stack.................................................................................................................................... 42
Figure 10.1 Circuit for RF_CONNECT........................................................................................................... 44
Figure 10.2 Circuit RF_IN .............................................................................................................................. 45
Figure 10.3 TCXO Clock Accuracy ................................................................................................................ 46
Figure 10.4 Actual Allowable Clock Presence Delay on XTAL_IN vs. PS Key Setting.................................. 47
Figure 10.5 Crystal Driver Circuit ................................................................................................................... 49
Figure 10.6 Crystal Equivalent Circuit............................................................................................................ 49
Figure 10.7 Crystal Load Capacitance and Series Resistance Limits with Crystal Frequency...................... 53
Figure 10.8 Crystal Driver Transconductance vs. Driver Level Register Setting ........................................... 54
Figure 10.9 Crystal Driver Negative Resistance as a Function of Drive Level Setting .................................. 55
Figure 10.10 Universal Asynchronous Receiver .............................................................................................. 56
Figure 10.11 Break Signal................................................................................................................................ 57
Figure 10.12 UART Bypass Architecture ......................................................................................................... 58
Figure 10.13 USB Connections for Self-Powered Mode.................................................................................. 60
Figure 10.14 USB Connections for Bus-Powered Mode.................................................................................. 61
Figure 10.15 USB_DETACH and USB_WAKE_UP Signal.............................................................................. 62
Figure 10.16 Write Operation........................................................................................................................... 65
Figure 10.17 Read Operation........................................................................................................................... 65
Figure 10.18 BlueCore4-ROM Plug-n-Go as PCM Interface Master ............................................................... 67
Figure 10.19 BlueCore4-ROM Plug-n-Go as PCM Interface Slave ................................................................. 67
Figure 10.20 Long Frame Sync (Shown with 8-bit Companded Sample) ........................................................ 68
Figure 10.21 Short Frame Sync (Shown with 16-bit Sample).......................................................................... 68
Figure 10.22 Multi-slot Operation with Two Slots and 8-bit Companded Samples .......................................... 69
Figure 10.23 GCI Interface......................................................................................................
......................... 69
Figure 10.24 16-Bit Slot Length and Sample Formats ..................................................................................... 70
Figure 10.25 PCM Master Timing Long Frame Sync....................................................................................... 72
Figure 10.26 PCM Master Timing Short Frame Sync ...................................................................................... 72
Figure 10.27 PCM Slave Timing Long Frame Sync......................................................................................... 74
Figure 10.28 PCM Slave Timing Short Frame Sync ........................................................................................ 74
Figure 10.29 Example EEPROM Connection .................................................................................................. 79
Figure 10.30 Example TXCO Enable OR Function.......................................................................................... 80
Figure 13.1 Application Circuit for Radio Characteristics Specification ......................................................... 86
Figure 14.1 BlueCore4-ROM Plug-n-Go 96-Ball LFBGA 1.6mm Package Dimensions ................................ 87
List of Tables
Table 10.1 External Clock Specifications...................................................................................................... 46
Table 10.2 PS Key Values for CDMA/3G Phone TCXO Frequencies .......................................................... 48
Table 10.3 Crystal Specification ................................................................................................................... 50
Table 10.4 Possible UART Settings.............................................................................................................. 56
Table 10.5 Standard Baud Rates.................................................................................................................. 57
Table 10.6 USB Interface Component Values.............................................................................................. 60
Table 10.7 Instruction Cycle for an SPI Transaction..................................................................................... 64
Table 10.8 PCM Master Timing .................................................................................................................... 71
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