Specifications

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7.1.1 Audio Input and Output ........................................................................ 38
7.2 Stereo Audio CODEC Interface..................................................................... 39
7.2.1 ADC ...................................................................................................40
7.2.2 DAC ...................................................................................................41
7.2.3 IEC 60958 Interface ............................................................................. 42
7.2.4 Microphone Input................................................................................. 43
7.2.5 Line Input ...........................................................................................45
7.2.6 Output Stage.......................................................................................46
7.3 Digital Audio Interface (I
2
S) ........................................................................ 48
7.4 PCM Interface ...........................................................................................51
7.4.1 PCM Interface Master/Slave................................................................... 51
7.4.2 Long Frame Sync .................................................................................52
7.4.3 Short Frame Sync ................................................................................ 52
7.4.4 Multi Slot Operation..............................................................................53
7.4.5 GCI Interface ......................................................................................53
7.4.6 Slots and Sample Formats.....................................................................54
7.4.7 Additional Features ..............................................................................55
7.4.8 PCM CLK and SYNC Generation .............................................................. 55
7.4.9 PCM Configuration................................................................................ 55
8. I/O Parallel Ports ....................................................................................... 57
9. Software Stacks .........................................................................................58
9.1 iWRAP Stack ............................................................................................. 58
9.2 RFCOMM Stack..........................................................................................59
9.3 VM Stack.................................................................................................. 60
10. Enhanced Data Rate ................................................................................... 62
10.1 Enhanced Data Rate Baseband...............................................................62
10.2 Enhanced Data Rate ∏/4 DQPSK ............................................................62
10.3 8DQPSK..............................................................................................63
11. Layout and Soldering Considerations ......................................................... 64