Seeed Studio xiaobao Pinout

Pin Name SPI I2C UART PWM ADC BIO GPIO
GPIO_PA4 ADC0
GPIO_PC6 BIO_22 I2C_3_SDA
GPIO_PA5 ADC1
GPIO_PC5 BIO_21 I2C_3_SCL
GPIO_PA6 ADC2
GPIO_PC3 BIO_19 SPI_2_CS0 PWM_2[3]
GPIO_PC14 BIO_30
GPIO_PC9 BIO_25
GPIO_PB12 BIO_12 I2C_0_SDA
GPIO_PC8 BIO_24
GPIO_PB11 BIO_11 I2C_0_SCL
GPIO_PC7 BIO_23
GPIO_PB14 BIO_14 UART_2_TX
Seeed Studio xiaobao board with USB-C port facing upwards.
Seeed Studio xiaobao board with USB-C port facing downwards.
Pin Name SPI I2C UART PWM ADC BIO GPIO
GPIO_PC1 BIO_17 SPI_2_D0 PWM_2[1]
GPIO_PB9 BIO_9
GPIO_PC2 BIO_18 SPI_2_D1 PWM_2[2]
GPIO_PB1 BIO_1 PWM_1[1]
GPIO_PC0 BIO_16 SPI_2_CLK PWM_2[0]
GPIO_PC4 BIO_20 SPI_2_CS1
GPIO_PB13 BIO_13 UART_2_RX