NC1CSB2DI3I2S_SDI/GPIO74I2S_SCK/GPIO65I2S_WS/GPIO56I2S_SDO/GPIO47NC8NC9VSS10VCC11VREG12MISO13SCLK14SSB15MOSI16VCCD_PWM17SPK+18VSSD_PWM19SPK-20VCCD_PWM21NC22NC23NC24INTB25RDY/BSYB26RESET27DO28CLK29GPIO330GPIO231GPIO132NC33NC34XTALOUT35XTALIN36NC37GPIO038NC39NC40AUDOUT41AUXOUT42VCCa43VSSA44ANAOUT/MIC-45ANAIN/MIC+46AUXIN47NC48