PI_GPIO=I2C1_SCL,I2C1_SDA,I2C5_SDA,I2C5_SCL,MCO1,MCO2,TIM5_CH2,PI_GPIO7,SPI5_NSS,SPI5_MISO,SPI5_MOSI,SPI5_SCK,TIM4_CH2,TIM3_CH2,USART3_TX,USART3_RX,USART3_CTS,USART3_RTS,SAI2_SCKA,SAI2_FSA,SAI2_SDA,SAI2_SDB,SDMMC3_CK,SDMMC3_CMD,SDMMC3_D0,SDMMC3_D1,SDMMC3_D2,SDMMC3_D3
