BC41C671A-IPK-E4

BC41C671A-IPK-E4 Datasheet


Production Information Data Sheet For BC41C671A

Part Datasheet
BC41C671A-IPK-E4 BC41C671A-IPK-E4 BC41C671A-IPK-E4 (pdf)
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Device Features

Fully Qualified Bluetooth v2.0+EDR Enhanced Data Rate EDR compliant with v2.0 of
the specification for both 2Mbps and 3Mbps modulation modes Full Speed Bluetooth Operation with Piconet and Scatternet Support Embedded 6Mbit Flash Low Power 1.8V operation Integrated Switch-mode Regulator Integrated Battery Charger with Programmable Current 8 x 8mm 96-ball TFBGA Package UART Port 15-bit Linear Audio CODEC 4.2V Tolerant LED Drivers with Intensity Control
is a single chip radio and baseband IC for Bluetooth 2.4GHz systems including enhanced data rates EDR to 3Mbps.

BlueCore4-Audio Flash contains 6Mbits of internal Flash memory. When used with the CSR Bluetooth software stack, it provides a fully compliant Bluetooth system to v2.0 + EDR of the specification for data and voice communications.

FLASH

RF IN

GHz Radio

RF OUT

Baseband DSP

SPI UART /USB

PIO I/O

Audio In/Out PCM

Battery Charger

Product Data Sheet Production InformationCSR plc2007
12007CS-111799-DSP 2007 CSR plc

XTAL

System Architecture

Single Chip v2.0 + EDR System

Production Information Data Sheet For BC41C671A

January 2007

Headsets Automotive Hands-Free Kits General purpose Bluetooth systems requiring an
on-chip audio CODEC

BlueCore4-Audio Flash has been designed to reduce the number of external components required which ensures production costs are minimised. 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 all mandatory and optional features .

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Contents

Contents
1 Key Features 9 2 Package Information 10

BC41C671A Pinout Diagram 10 Device Terminal Functions 11 3 Electrical Characteristics 16 Absolute Maximum Ratings 16 Recommended Operating Conditions 16 Linear Regulator 17 Switch-mode Regulator 18 Battery Charger 19 Digital Terminals 20 USB Terminals 20 Power on Reset 21 Auxilliary ADC 21 Auxilliary DAC 22 Clocks 22 Audio CODEC 23 Power Consumption 24

Typical Average Current 24 Typical Measurement Conditions 24 4 Radio Characteristics - Basic Data Rate 25 Temperature +20°C 25 Transmitter 25 Receiver 26 Temperature -40°C 27 Transmitter 27 Receiver 27 Temperature -25°C 28 Transmitter 28 Receiver 28 Temperature +85°C 29 Transmitter 29 Receiver 29 Temperature +105°C 30 Transmitter 30 Receiver 30 5 Radio Characteristics - Enhanced Data Rate 31 Temperature +20°C 31 Transmitter 31 Receiver 32 Temperature -40°C 33 Transmitter 33 Receiver 34 Temperature -25°C 35 Transmitter 35 Receiver 36 Temperature +85°C 37 Transmitter 37 Receiver 38

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Contents
6 Device Diagram 39 7 Description of Functional Blocks 40

RF Receiver 40 Low Noise Amplifier 40 Analogue to Digital Converter 40

RF Transmitter 40 IQ Modulator 40 Power Amplifier 40

RF Synthesiser 40 Switch-Mode Regulator 40 Linear Regulator 40 Battery Charger 40 Clock Input and Generation 40 Baseband and Logic 41

Memory Management Unit 41 Burst Mode Controller 41 Physical Layer Hardware Engine DSP 41 System RAM 41 Flash Memory 6Mbit 41 USB 41 Synchronous Serial Interface 41 UART 41 Microcontroller 42 Programmable I/O 42 PCM Interface 42 Audio CODEC 42 LED Driver 42 8 Device Terminal Descriptions 43 RF Ports 43 RF_P and RF_N 43 Single-Ended Input 44 Transmit RF Power Control for Class 1 Applications TX_PWR 44 Control of External RF Components 44 External Reference Clock Input XTAL_IN 46 External Mode 46 XTAL_IN Impedance in External Mode 46 Clock Timing Accuracy 46 Clock Start-Up Delay 47 Input Frequencies and PS Key Settings 48 Crystal Oscillator XTAL_IN, XTAL_OUT 49 XTAL Mode 49 Load Capacitance 50 Frequency Trim 51 Transconductance Driver Model 52 Negative Resistance Model 52 Crystal PS Key Settings 53 Crystal Oscillator Characteristics 53 UART Interface 56 UART Bypass 58 UART Configuration While RESET is Active 58 UART Bypass Mode 58 Current Consumption in UART Bypass Mode 58
13 Ordering Information 97 BlueCore4-Audio Flash 97
14 Document References 98 15 Terms and Definitions 99 16 Document History 102

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Contents

List of Figures Figure

BlueCore4-Audio Flash Device 10 BlueCore4-Audio Flash Device Diagram 39 Circuit RF_P and RF_N 43 TCXO Clock Accuracy 46 Crystal Driver Circuit 49 Crystal Equivalent 49 Crystal Load Capacitance and Series Resistance Limits with Crystal Frequency...................... 53 Crystal Driver Transconductance vs. Driver Level Register Setting 54 Crystal Driver Negative Resistance as a Function of Drive Level Setting 55 Universal Asynchronous Receiver 56 Break 57 UART Bypass Architecture 58 USB Connections for Self-Powered 60 USB Connections for Bus-Powered 61 USB_DETACH and USB_WAKE_UP 62 SPI Write Operation 64 SPI Read 64 BlueCore4-Audio Flash CODEC Diagram 65 BlueCore4-Audio Flash Microphone Biasing 66 Differential Microphone Input 66 Single-ended Microphone Input 67 Speaker 67 Frequency Response of the ADC and DAC Pair 68 Simulated Wind Noise Reduction Filter Response 69 Audio CODEC Outline and Applicable Gains 70 Spectrum of Analogue and Digital ADC Output with a Full Scale Sine Wave Input 73 Spectrum of DAC Output with 1kHz Full Scale 74 Spectrum of DAC Output with 1kHz Tone at -42dB Relative to Full Scale 75 Response of CVSD Interpolation/Decimation Filter 76 BlueCore4-Audio Flash as PCM Interface Master 77 BlueCore4-Audio Flash as PCM Interface Slave 77 Long Frame Sync Shown with 8-bit Companded Sample 78 Short Frame Sync Shown with 16-bit Sample 78 Multi-slot Operation with Two Slots and 8-bit Companded Samples 79 GCI 79 16-Bit Slot Length and Sample Formats 80 PCM Master Timing Long Frame 82 PCM Master Timing Short Frame Sync 82 PCM Slave Timing Long Frame 83 PCM Slave Timing Short Frame Sync 84 Example EEPROM Connection 87 Example TCXO Enable OR 88 Application Circuit for Radio Characteristics Specification 93 8 x 8 x 1.2mm TFBGA 96-Ball Package 94

List of Tables Table

TXRX_PIO_CONTROL 45 External Clock 46 PS Key Values for CDMA/3G Phone TCXO Frequencies 48 Crystal Specification 50

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Contents

Table

Possible UART 56 Standard Data Rates 57 USB Interface Component Values 60 Instruction Cycle for an SPI 63 IO_KCODEC_CONFIG Control 71 Recommended Settings for Audio CODEC 72 PCM Master Timing 81 PCM Slave Timing 83 PSKEY_PCM_CONFIG32 Description 86 PSKEY_PCM_LOW_JITTER_CONFIG 86 Pin States of BlueCore4-Audio Flash on Reset 90

List of Equations Equation Output Voltage with Load Current 10mA 44 Equation Output Voltage with No Load Current 44 Equation Internal Power Ramping 44 Equation Load Capacitance 50 Equation Trim 51 Equation Frequency 51 Equation 51 Equation Transconductance Required for Oscillation 52 Equation Equivalent Negative Resistance 52 Equation Data 57 Equation PCM_CLK Frequency When Being Generated Using the Internal 48MHz Clock....................... 84 Equation PCM_SYNC Frequency Relative to PCM_CLK 84

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Status Information

Status Information

The status of this Data Sheet is Production Information. CSR Product Data Sheets progress according to the following format Advance Information for designers concerning CSR product in development. All values specified are the target values of the design. Minimum and maximum values specified are only given as guidance to the final specification limits and must not be considered as the final values. All detailed specifications including pinouts and electrical specifications may be changed by CSR without notice. Pre-Production Information Pinout and mechanical dimension specifications finalised. All values specified are the target values of the design. Minimum and maximum values specified are only given as guidance to the final specification limits and must not be considered as the final values. All electrical specifications may be changed by CSR without notice. Production Information Final Data Sheet including the guaranteed minimum and maximum limits for the electrical specifications. Production Data Sheets supersede all previous document versions.

Life Support Policy and Use in Safety-Critical Applications CSR's products are not authorised for use in life-support or safety-critical applications. Use in such applications is done at the sole discretion of the customer. CSR will not warrant the use of its devices in such applications. RoHS Compliance BlueCore4-Audio Flash devices meet the requirements of Directive 2002/95/EC of the European Parliament and of the Council on the Restriction of Hazardous Substance RoHS . Trademarks, Patents and Licenses Unless otherwise stated, words and logos marked with or are trademarks registered or owned by CSR plc or its affiliates. and the Bluetooth logos are trademarks owned by Bluetooth SIG, Inc. and licensed to CSR. Other products, services and names used in this document may have been trademarked by their respective owners. The publication of this information does not imply that any license is granted under any patent or other rights owned by CSR plc. CSR reserves the right to make technical changes to its products as part of its development programme. While every care has been taken to ensure the accuracy of the contents of this document, CSR cannot accept responsibility for any errors.

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1 Key Features

Key Features

Radio

Auxiliary Features Continued

Common TX/RX terminal simplifies external matching eliminates external antenna switch

BIST minimises production test time. No external trimming is required in production

Bluetooth v2.0 + EDR Specification compliant

Transmitter

Arbitrary power supply sequencing permitted 8-bit ADC and DAC available to applications Battery charger with programmable current 25
-100mA for Lithium Ion/Polymer battery LED intensity control for dedicated LED1 and LED0
outputs
+6dBm RF transmit power with level control from Baseband and Software
on-chip 6-bit DAC over a dynamic range >30dB

Internal 6Mbit Flash for complete sytem solution
Ordering Information
13 Ordering Information

BlueCore4-Audio Flash

Interface Version UART and USB

Type
96-Ball TFBGA Pb free

Package Size
8 x 8 x 1.2mm

Shipment Method Tape and reel

Order Number BC41C671A-IPK-E4

Minimum Order Quantity
2kpcs taped and reeled To contact a CSR representative, email or go to

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14 Document References

Document References

Document

Reference

Specification of the Bluetooth System
v2.0 + EDR, 04 November 2004

Universal Serial Bus Specification
v2.0, 27 April 2000

Selection of I2C EEPROMS for Use with BlueCore
bcore-an008Pb, 30 September 2003

Lithium Ion/Polymer Battery Safety Information Note
bcore-an-057P, 25 November 2004

EDR RF Test Specification v2.0.E.2
v2.0.E.20, D07r22, 16 March 2004

RF Prototyping Specification for Enhanced Data Rate IP v.90, r29, 2004

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15 Terms and Definitions

Terms and Definitions

ACL ADC AGC A-law API ASIC BCSP BER BIST BlueCoreTM BluetoothTM BMC CMOS CODEC CQDDR CSB CSR CTS CVSD DAC dBm DC DEVM DFU DSP EDR eSCO ESR Flash FSK GSM HCI HID IF IQ Modulation ISDN ISM

Asynchronous Connection-Less, a Bluetooth data packet type Analogue to Digital Converter Automatic Gain Control Audio encoding standard Application Programming Interface Application Specific Integrated Circuit BlueCore Serial Protocol Bit Error Rate. Used to measure the quality of a link Built-In Self-Test Group term for CSR’s range of Bluetooth chips Set of technologies providing audio and data transfer over short-range radio connections Burst Mode Controller Complementary Metal Oxide Semiconductor Coder Decoder Channel Quality Driven Data Rate Chip Select Active Low Cambridge Silicon Radio Clear to Send Continuous Variable Slope Delta Modulation Digital to Analogue Converter Decibels relative to 1mW Direct Current Differential Error Vector Magnitude Device Firmware Upgrade Digital Signal Processor Enhanced Data Rate Extended Synchronous Connection-Oriented. Voice oriented Bluetooth packet Equivalent Series Resistance Flash memory Frequency Shift Keying Global System for Mobile communications Host Controller Interface Human Interface Device Intermediate Frequency In-Phase and Quadrature Modulation Integrated Services Digital Network Industrial, Scientific and Medical

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Terms and Definitions
ksamples/s L2CAP LC LCD LED LMP LNA LSB MCU µ-law MMU MISO OHCI PA PCM Persistent Store PID PIO PLL ppm PS Key RAM RF RFCOMM RISC rms
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Datasheet ID: BC41C671A-IPK-E4 507263