Audio Codec Adapter Setup for Cinterion
®
Modules
Contents
34
audio_codec_adapter_setup_v04 2019-10-16
Confidential / Released
Page 3 of 34
Contents
0 Document History ...................................................................................................... 4
1 Introduction ................................................................................................................. 5
1.1 Related Documents ........................................................................................... 5
1.2 Supported Products ........................................................................................... 5
2 Audio Codec Adapter Overview ................................................................................ 6
2.1 MAX9860 Audio Codec Adapter........................................................................ 6
2.1.1 Interfaces .............................................................................................. 6
2.1.1.1 DIP Switch Default Settings .................................................. 7
2.1.2 Access .................................................................................................. 8
2.1.2.1 Update................................................................................... 8
2.1.2.2 Configuration......................................................................... 9
2.1.3 Block Diagram..................................................................................... 10
2.2 NAU8822 Audio Codec Adapter ...................................................................... 11
2.2.1 Interfaces ............................................................................................ 11
2.2.1.1 DIP Switch Default Settings ................................................ 12
2.2.2 Access ................................................................................................ 13
2.2.2.1 Update................................................................................. 13
2.2.2.2 Configuration....................................................................... 14
2.2.3 Block Diagram..................................................................................... 15
3 Audio Codec Adapter Setup .................................................................................... 16
3.1 Assembly with DSB75 and AH6-DSB75 Adapter ............................................ 16
3.1.1 Configuration....................................................................................... 17
3.1.1.1 Master/Slave ....................................................................... 17
3.1.1.2 Bit Clock.............................................................................. 17
3.1.1.3 Framesync .......................................................................... 17
3.1.1.4 DIP Switch and AT Command Settings............................... 19
3.1.2 Operation ............................................................................................ 21
3.1.2.1 Voice Calls .......................................................................... 21
3.1.2.2 Module Generated Tones.................................................... 21
3.1.2.3 Audio Codec Adapter Generated Tones.............................. 22
3.1.2.4 Tone Recognition ................................................................ 23
4 Appendix A - DAI Signal Timings at Oscilloscope................................................. 24
5 Appendix B - MAX9860 Codec Adapter Schematics ............................................. 26
6 Appendix C - NAU8822 Codec Adapter Schematics.............................................. 30
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