6.4.1 Transmitter ................................................................................................................................ 41
6.4.2 Receiver .................................................................................................................................... 42
Device Diagram ............................................................................................................................................ 43
Description of Functional Blocks ................................................................................................................ 44
8.1 RF Receiver ........................................................................................................................................... 44
8.1.1 Low Noise Amplifier .................................................................................................................. 44
8.1.2 Analogue to Digital Converter ................................................................................................... 44
8.2 RF Transmitter ....................................................................................................................................... 44
8.2.1 IQ Modulator ............................................................................................................................. 44
8.2.2 Power Amplifier ......................................................................................................................... 44
8.3 RF Synthesiser ...................................................................................................................................... 44
8.4 Switch-Mode Regulator ......................................................................................................................... 44
8.5 Linear Regulator .................................................................................................................................... 44
8.6 Battery Charger ..................................................................................................................................... 44
8.7 Clock Input and Generation ................................................................................................................... 45
8.8 Baseband and Logic .............................................................................................................................. 45
8.8.1 Memory Management Unit ....................................................................................................... 45
8.8.2 Burst Mode Controller ............................................................................................................... 45
8.8.3 Physical Layer Hardware Engine DSP ..................................................................................... 45
8.8.4 System RAM ............................................................................................................................. 45
8.8.5 ROM ......................................................................................................................................... 45
8.8.6 External FLASH ........................................................................................................................ 45
8.8.7 USB .......................................................................................................................................... 45
8.8.8 Synchronous Serial Interface .................................................................................................... 46
8.8.9 UART ........................................................................................................................................ 46
8.9 Microcontroller ....................................................................................................................................... 46
8.9.1 Programmable I/O .................................................................................................................... 46
8.9.2 PCM Interface ........................................................................................................................... 46
8.9.3 Audio CODEC ........................................................................................................................... 46
8.9.4 LED Driver ................................................................................................................................ 46
CSR Bluetooth Software Stacks .................................................................................................................. 47
9.1 BlueCore HCI Stack ............................................................................................................................. 47
9.1.1 Key Features of the HCI Stack: Standard Bluetooth Functionality ........................................... 48
9.1.2 Key Features of the HCI Stack: Extra Functionality .................................................................. 49
9.2 BlueCore RFCOMM Stack .................................................................................................................... 50
9.2.1 Key Features of the RFCOMM Stack ....................................................................................... 51
9.3 BlueCore Virtual Machine Stack ............................................................................................................ 52
9.4 Host-side Software ................................................................................................................................ 53
9.5 BlueCore HID Stack .............................................................................................................................. 53
9.6 BCHS Software ..................................................................................................................................... 54
9.7 Additional Software for Other Embedded Applications .......................................................................... 54
9.8 CSR Development Systems .................................................................................................................. 54
7
8
9
10 Device Terminal Descriptions ...................................................................................................................... 55
10.1 RF Ports ................................................................................................................................................ 55
10.1.1 RF_P and RF_N ....................................................................................................................... 55
10.1.2 Single-Ended Input (RX_IN) ..................................................................................................... 56
10.1.3 Transmit RF Power Control for Class 1 Applications (TX_PWR) ............................................. 56
10.1.4 Control of External RF Components ......................................................................................... 57
10.2 External Reference Clock Input (XTAL_IN) ........................................................................................... 58
10.2.1 External Mode ........................................................................................................................... 58
10.2.2 XTAL_IN Impedance in External Mode .................................................................................... 58
10.2.3 Clock Timing Accuracy ............................................................................................................. 58
This Material is Subject to CSR's
Non-Disclosure Agreement
Production Information
© CSR plc 2006
BC413159A-db-001Pi
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