Linkplay A31 - Connect with Audio Codec

Doc Title Wireless smart audio module
Number
WMB20150921
Version
1.
4
Document No.: WMB20150921 Page 11 of 21
Figure 2-2: Linkplay Wi-Fi Audio A31 physical dimension and PIN header spec.
2.3. Connect with Audio Codec
LinkPlay WiFi Audio A31 module has digital audio interface I2S. It supports both master and slave modes.
- Master mode:
In master mode, it is recommended to connect with an audio codec IC for audio playback and record shown in the
following example. Current module firmware supports Wolfson WM8918/WM8960. The reference schematics is
shown below.
Table 2-3 Connect with external audio IC with A31 module
Notes:
Please see the following documents for details:
WIFIAudio_Module_Design_Note_V03.pdf
WIFIAudio A31A31 Reference Design_4.pdf