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
