SCLK9SDIO10SPK+17SPK-15MIC-/DMICCLK19MICBIAS4MIC_/DMICDATA20ADCOUT12BCLK7DACIN13FS6MCLK8VREF2EP21VSSSPK16VSSA3VDDSPK18VDDMIC5VDDB14VDDA11VDDA1