BLUECORE4-ROM datasheet(4/89 Pages) ETC

4 / 89 page

Contents

BC41B143A-ds-002Pd

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Production Information

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

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