BC352239A Datasheet, PDF (3/116 Pages) List of Unclassifed Manufacturers – BlueCore 3-Multimedia External

Contents
6.7
Kalimba DSP ................................................................................................................................... 33
6.8
Audio Interface................................................................................................................................. 34
6.8.1 Audio Input and Output .............................................................................................................. 34
6.8.2 Digital Audio Interface ................................................................................................................ 34
7 CSR Bluetooth Software Stacks ................................................................................................................. 35
7.1
BlueCore HCI Stack ........................................................................................................................ 35
7.1.1 Key Features of the HCI Stack - Standard Bluetooth Functionality ............................................ 36
7.1.2 Key Features of the HCI Stack - Extra Functionality .................................................................. 37
7.2
Stand-Alone BlueCore3-Multimedia External and Kalimba DSP Applications ................................. 38
7.3
Host-Side Software.......................................................................................................................... 39
7.4
Device Firmware Upgrade ............................................................................................................... 39
7.5
BCHS Software................................................................................................................................ 39
7.6
Additional Software for Other Embedded Applications .................................................................... 39
7.7
CSR Development Systems ............................................................................................................ 39
8 Device Terminal Descriptions..................................................................................................................... 40
8.1
RF Ports .......................................................................................................................................... 40
8.1.1
8.1.2
8.1.3
8.1.4
8.1.5
8.1.6
8.1.7
8.1.8
TX_A and TX_B ......................................................................................................................... 40
Transmit Port Impedances for 7 x 7 VFBGA Package (2.4-2.5GHz vs. Temperature)............... 41
Receive Port Impedances for 7 x 7 VFBGA Package (2.4-2.5GHz vs. Temperature)................ 44
Transmit S Parameters .............................................................................................................. 45
Balanced Receive S Parameters ............................................................................................... 46
Single-Ended Input (RF_IN) ....................................................................................................... 47
Transmit RF Power Control for Class 1 Applications (TX_PWR) ............................................... 47
Control of External RF Components .......................................................................................... 48
8.2
External Reference Clock Input (XTAL_IN) ..................................................................................... 49
8.2.1
8.2.2
8.2.3
8.2.4
8.2.5
External Mode ............................................................................................................................ 49
XTAL_IN Impedance in External Mode ...................................................................................... 49
Clock Timing Accuracy............................................................................................................... 49
Clock Start-Up Delay.................................................................................................................. 50
Input Frequencies and PS Key Settings..................................................................................... 51
8.3
Crystal Oscillator (XTAL_IN, XTAL_OUT) ....................................................................................... 52
8.3.1
8.3.2
8.3.3
8.3.4
8.3.5
8.3.6
8.3.7
XTAL Mode ................................................................................................................................ 52
Load Capacitance ...................................................................................................................... 53
Frequency Trim .......................................................................................................................... 53
Transconductance Driver Model ................................................................................................ 54
Negative Resistance Model ....................................................................................................... 54
Crystal PS Key Settings ............................................................................................................. 54
Crystal Oscillator Characteristics ............................................................................................... 55
8.4
Off-Chip Program Memory............................................................................................................... 58
8.4.1 Minimum Flash Specification ..................................................................................................... 59
8.4.2 Common Flash Interface............................................................................................................ 60
8.4.3 Memory Timing .......................................................................................................................... 61
8.5
UART Interface ................................................................................................................................ 63
8.5.1
8.5.2
8.5.3
8.5.4
UART Bypass............................................................................................................................. 65
UART Configuration While RESET is Active.............................................................................. 65
UART Bypass Mode................................................................................................................... 65
Current Consumption in UART Bypass Mode ............................................................................ 65
8.6
USB Interface .................................................................................................................................. 66
8.6.1 USB Data Connections .............................................................................................................. 66
8.6.2 USB Pull-Up Resistor................................................................................................................. 66
8.6.3 Power Supply ............................................................................................................................. 66
8.6.4 Self-Powered Mode.................................................................................................................... 67
8.6.5 Bus-Powered Mode.................................................................................................................... 68
8.6.6 Suspend Current ........................................................................................................................ 69
8.6.7 Detach and Wake_Up Signalling................................................................................................ 69
8.6.8 USB Driver ................................................................................................................................. 69
8.6.9 USB 1.1 Compliance.................................................................................................................. 70
8.6.10 USB 2.0 Compatibility ................................................................................................................ 70
8.7
Serial Peripheral Interface ............................................................................................................... 70
BC352239A-ds-001Pc
© Cambridge Silicon Radio Limited 2004
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