BC41B143A-DS-001PE Datasheet, PDF (3/102 Pages) List of Unclassifed Manufacturers – BlueCpre 4-ROM Single Chip Bluetooth v2.0 System with EDR

Status Information
7.6.1
7.6.2
7.6.3
7.6.4
7.6.5
7.6.6
7.6.7
7.6.8
7.6.9
Memory Management Unit ......................................................................................................... 39
Burst Mode Controller ................................................................................................................ 39
Physical Layer Hardware Engine DSP....................................................................................... 39
RAM ........................................................................................................................................... 39
ROM........................................................................................................................................... 39
USB............................................................................................................................................ 40
Synchronous Serial Interface ..................................................................................................... 40
UART ......................................................................................................................................... 40
Audio PCM Interface .................................................................................................................. 40
7.7 Microcontroller ....................................................................................................................................... 40
7.7.1 Programmable I/O...................................................................................................................... 40
7.7.2 802.11 Coexistence Interface .................................................................................................... 40
8 CSR Bluetooth Software Stacks ................................................................................................................. 41
8.1 BlueCore HCI Stack .............................................................................................................................. 41
8.1.1 Key Features of the HCI Stack – Standard Bluetooth Functionality ........................................... 42
8.1.2 Key Features of the HCI Stack – Extra Functionality ................................................................. 43
8.2 BlueCore RFCOMM Stack..................................................................................................................... 44
8.2.1 Key Features of the BlueCore4-ROM RFCOMM Stack ............................................................. 45
8.3 BlueCore Virtual Machine Stack ............................................................................................................ 46
8.4 BCHS Software ..................................................................................................................................... 47
8.5 Additional Software for Other Embedded Applications .......................................................................... 47
8.6 CSR Development Systems .................................................................................................................. 47
9 Enhanced Data Rate .................................................................................................................................... 48
9.1 Enhanced Data Rate Baseband ............................................................................................................ 48
9.2 Enhanced Data Rate π/4 DQPSK.......................................................................................................... 48
9.3 Enhanced Data Rate 8DPSK................................................................................................................. 49
10 Device Terminal Descriptions..................................................................................................................... 51
10.1 RF Ports ................................................................................................................................................ 51
10.1.1 TX_A and TX_B ......................................................................................................................... 51
10.1.2 Single-Ended Input (RF_IN) ....................................................................................................... 52
10.1.3 Transmit RF Power Control for Class 1 Applications (TX_PWR) ............................................... 52
10.1.4 Control of External RF Components .......................................................................................... 53
10.2 External Reference Clock Input (XTAL_IN) ........................................................................................... 54
10.2.1 External Mode ............................................................................................................................ 54
10.2.2 XTAL_IN Impedance in External Mode ...................................................................................... 54
10.2.3 Clock Timing Accuracy............................................................................................................... 54
10.2.4 Clock Start-Up Delay.................................................................................................................. 55
10.2.5 Input Frequencies and PS Key Settings..................................................................................... 56
10.3 Crystal Oscillator (XTAL_IN, XTAL_OUT) ............................................................................................. 57
10.3.1 XTAL Mode ................................................................................................................................ 57
10.3.2 Load Capacitance ...................................................................................................................... 58
10.3.3 Frequency Trim .......................................................................................................................... 58
10.3.4 Transconductance Driver Model ................................................................................................ 59
10.3.5 Negative Resistance Model ....................................................................................................... 59
10.3.6 Crystal PS Key Settings ............................................................................................................. 59
10.3.7 Crystal Oscillator Characteristics ............................................................................................... 60
10.4 UART Interface...................................................................................................................................... 63
10.4.1 UART Bypass............................................................................................................................. 65
10.4.2 UART Configuration While RESET is Active.............................................................................. 65
10.4.3 UART Bypass Mode................................................................................................................... 65
10.4.4 Current Consumption in UART Bypass Mode ............................................................................ 65
10.5 USB Interface ........................................................................................................................................ 66
10.5.1 USB Data Connections .............................................................................................................. 66
10.5.2 USB Pull-Up Resistor................................................................................................................. 66
10.5.3 Power Supply ............................................................................................................................. 66
10.5.4 Self Powered Mode.................................................................................................................... 67
10.5.5 Bus Powered Mode.................................................................................................................... 68
10.5.6 Suspend Current ........................................................................................................................ 69
BC41B143A-ds-001Pe
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