Contents
BC41B143A-ds-002Pd
This material is subject to CSR’s non-disclosure agreement
Production Information
© Cambridge Silicon Radio Limited 2005
Page 4 of 89
11.6.3 Reading from BlueCore4-ROM CSP.......................................................................................... 67
11.6.4 Multi-Slave Operation................................................................................................................. 67
11.7 Audio PCM Interface ............................................................................................................................. 68
11.7.1 PCM Interface Master/Slave ...................................................................................................... 68
11.7.2 Long Frame Sync....................................................................................................................... 69
11.7.3 Short Frame Sync ...................................................................................................................... 69
11.7.4 Multi Slot Operation.................................................................................................................... 70
11.7.5 GCI Interface.............................................................................................................................. 70
11.7.6 Slots and Sample Formats......................................................................................................... 71
11.7.7 Additional Features .................................................................................................................... 71
11.7.8 PCM Timing Information ............................................................................................................ 72
11.7.9 PCM Slave Timing ..................................................................................................................... 74
11.7.10
PCM_CLK and PCM_SYNC Generation ............................................................................. 75
11.7.11
PCM Configuration .............................................................................................................. 76
11.8 I/O Parallel Ports ................................................................................................................................... 77
11.8.1 PIO Defaults for BlueCore4-ROM CSP...................................................................................... 77
11.9 I
2C Master.............................................................................................................................................. 78
11.10
TCXO Enable OR Function........................................................................................................ 78
11.11
Resetting BlueCore4-ROM CSP ................................................................................................ 79
11.11.1
Pin States during Reset ....................................................................................................... 79
11.11.2
Status after Reset ................................................................................................................ 80
11.12
Power Supply ............................................................................................................................. 80
11.12.1
Voltage Regulator ................................................................................................................ 80
11.12.2
Sequencing.......................................................................................................................... 80
11.12.3
Sensitivity to Disturbances................................................................................................... 80
12 Application Schematic................................................................................................................................. 81
13 Package Dimensions ................................................................................................................................... 82
14 Ordering Information ................................................................................................................................... 83
14.1 BlueCore4-ROM CSP............................................................................................................................ 83
15 Contact Information ..................................................................................................................................... 84
16 Document References ................................................................................................................................. 85
Terms and Definitions ........................................................................................................................................ 86
Document History ............................................................................................................................................... 89