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Rock3/CM3/e23/GPIO

< Rock3‎ | CM3‎ | e23
    ROCK 3 >  ROCK 3 Compute Module >  Radxa E23 >  GPIO

Radxa E23 has one 40-pin expansion header.

Template:Rock e23 header


Hardware V1.0

GPIO number Function4 Function3 Function2 Function1 Pin# Pin# Function1 Function2 Function3 Function4 GPIO number
+3.3V 1 2 +5.0V
32 UART3_RX_M0 I2C3_SDA_M0 3 4 +5.0V
33 I2C3_SCL_M0 UART3_TX_M0 5 6 GND
21 PWM6 SPI0_MISO_M0 7 8 UART2_TX_M0 25
GND 9 10 UART2_RX_M0 24
97 SPI1_CS0_M1 SDMMC2_D0_M1 11 12 PDM_SDI1_M2 GMAC1_RXER_M0 I2C5_SDA_M0 108
20 PWM5 SPI0_CS1_M0 UART0_RTSn 13 14 GND
22 PWM7_IR SPI0_CS0_M0 15 16 USB_OTG0_DM
17 17 18 USB_OTG0_DP
138 I2C4_SDA_M0 GMAC1_RXER_M1 SPI3_MOSI_M0 I2S2_SDI_M1 19 20 GND
136 SPI3_MISO_M0 I2S1_SDO1_M1 21 22 SPI1_CS1_M0 UART8_RX_M0 86
139 I2C4_SCL_M0 SPI3_CLK_M0 I2S2_SDO_M1 23 24 I2S1_SCLK_RX_M1 SPI3_CS0_M0 GMAC1_TXEN_M1 134
GND 25 26 I2S1_LRCK_RX_M1 SPI3_CS1_M0 GMAC1_RXD0_M1 135
GND 27 28 PCIE20_WAKEn_M0 SPI0_CLK_M0 I2C2_SCL_M0 PWM1_M1 13
113 SPI1_MOSI_M1 PCIE20_PERSTn_M1 I2S1_SDO2_M2 29 30 GND
114 SPI1_MISO_M1 UART5_TX_M1 I2S1_SDO3_M2 31 32 GDD
15 PWM0_M0 33 34 GND
35 36 PCIE20_BUTTONRSTn I2C1_SDA 12
37 38 UART0_TX PWM2_M0 17
GND 39 40 I2C1_SCL 11


More details about 40-pin Header
  • PWM:x6,PWM0/PWM1/PWM2/PWM5/PWM6/PWM7
  • SPI:x3,SPI0/SPI1/SPI3
  • I2C:x4,I2C1/I2C3/I2C4/I2C5
  • UART:x4.UART0/UART2/UART3/UART8