After a day of knocking my head against the wall I found why my simple I2S setup didn’t work: Pins are switched for data in & data out:
This is on both the WIO Terminal and Chassis
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HI , MaMikee
I find datasheet! https://ww1.microchip.com/downloads/aemDocuments/documents/MCU32/ProductDocuments/DataSheets/SAM-D5x-E5x-Family-Data-Sheet-DS60001507.pdf
- The PA22 pin is I2S/SDI !, sch’s port name is error~~,
- This very important thing , thanks yout put forward