Contents
BC352239A-ds-001Pc
© Cambridge Silicon Radio Limited 2004
Production Information
Page 4 of 116
8.7.1 Instruction Cycle......................................................................................................................... 70
8.7.2 Writing to BlueCore3-Multimedia External ................................................................................. 71
8.7.3 Reading from BlueCore 3-Multimedia External .......................................................................... 71
8.7.4 Multi Slave Operation................................................................................................................. 71
8.8
Stereo Audio Interface ..................................................................................................................... 72
8.8.1 Stereo CODEC Setup ................................................................................................................ 73
8.8.2 ADC ........................................................................................................................................... 73
8.8.3 ADC Sample Rate Selection and Warping................................................................................. 73
8.8.4 ADC Gain................................................................................................................................... 73
8.8.5 DAC ........................................................................................................................................... 75
8.8.6 DAC Sample Rate Selection and Warping................................................................................. 75
8.8.7 DAC Gain................................................................................................................................... 75
8.8.8 Mono Operation ......................................................................................................................... 76
8.8.9 PCM CODEC Interface .............................................................................................................. 77
8.8.10 PCM Interface Master/Slave ......................................................................................................78
8.8.11 Long Frame Sync....................................................................................................................... 79
8.8.12 Short Frame Sync ...................................................................................................................... 79
8.8.13 Multi Slot Operation.................................................................................................................... 80
8.8.14 GCI Interface.............................................................................................................................. 80
8.8.15 Slots and Sample Formats......................................................................................................... 81
8.8.16 Additional Features .................................................................................................................... 81
8.8.17 PCM Timing Information ............................................................................................................ 82
8.8.18 PCM Slave Timing ..................................................................................................................... 84
8.8.19 PCM_CLK and PCM_SYNC Generation.................................................................................... 86
8.8.20 PCM Configuration..................................................................................................................... 87
8.8.21 Digital Audio Bus........................................................................................................................ 89
8.8.22 IEC 60958 Interface ................................................................................................................... 92
8.8.23 Audio Input Stage....................................................................................................................... 93
8.8.24 Microphone Input ....................................................................................................................... 94
8.8.25 Line Input ................................................................................................................................... 94
8.8.26 Output Stage.............................................................................................................................. 95
8.9
I/O Parallel Ports.............................................................................................................................. 95
8.9.1 PIO Defaults for BTv1.2 HCI Level Bluetooth Stack................................................................... 96
8.10
I
2C Interface..................................................................................................................................... 96
8.11
TCXO Enable OR Function ............................................................................................................. 97
8.12
RESET and RESETB ...................................................................................................................... 97
8.12.1 Pin States on Reset ................................................................................................................... 98
8.12.2 Status after Reset ...................................................................................................................... 98
8.13
Power Supply................................................................................................................................... 99
8.13.1 Voltage Regulator ...................................................................................................................... 99
8.13.2 Sequencing ................................................................................................................................ 99
8.13.3 Sensitivity to Disturbances ......................................................................................................... 99
9
Typical Audio CODEC Performance......................................................................................................... 100
9.1
Output............................................................................................................................................ 100
10 Application Schematic............................................................................................................................... 108
11 Package Dimensions ................................................................................................................................. 109
11.1
7 x 7 VFBGA 120-Ball Package .................................................................................................... 109
12 Solder Profiles............................................................................................................................................ 110
12.1
Solder Re-flow Profile for Devices with Lead-Free Solder Balls .................................................... 110
13 Ordering Information ................................................................................................................................. 111
13.1
BlueCore3-Multimedia External ..................................................................................................... 111
14 Contact Information ................................................................................................................................... 112
15 Document References ............................................................................................................................... 113
Acronyms and Definitions................................................................................................................................ 114
Record of Changes ........................................................................................................................................... 116
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