The solution is based on android things to realize google assistant & cast, need to connect 2MIC signal & 2 AEC signal to MPU. Is the connection in the sch right?
1.Is it right to use SAI3 for 4 channel ADC signal input?
2.Is it right to use SAI1 for speaker signal output?
3.Does PICO-PI-IMX7 support TDM format?