Hardware interface description
Interface overview
- 4x USB3.0 Host
- 1x Micro USB 2.0 OTG
- 2x MIPI CSI
- 1x M.2 E Key
- 1x TF Card Slot
- 1x DP
- 1x HDMI
- 1x Gigabit Ethernet
- 1x 40 PIN IO
- 1x Fan Header
- 2x LED Light
- 1x Power Input
- 1x Maskrom Key
- 1x Power Key
Power
Powered by DC power connector, supports 5V input only.
Debug Serial Port
For system debugging, low-level log message output. Refer to Serial Debugging.
Ethernet Port
Provides Ethernet interface to Gigabit Ethernet.
40 PIN GPIO
GPIO voltage
| GPIO | Voltage | Max Voltage |
|---|---|---|
| All GPIO | 3.3V | 3.63V |
| SARADC_IN4 | 1.8V | 1.98V |
GPIO interface
Radxa NX5 IO provides a 40pin GPIO socket, which is compatible with most sensor applications on the market.
**Tips: The actual compatibility is subject to usage. **
| GPIO number | Function8 | Function7 | Function6 | Function5 | Function4 | Function3 | Function2 | Function1 | Pin# | Pin# | Function1 | Function2 | Function3 | Function4 | Function5 | Function6 | Function7 | Function8 | GPIO number |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| +3.3V | 1 | 2 | +5.0V | ||||||||||||||||
| 28 | I2S1_SDO2_M1 | CAN2_RX_M1 | SPI3_CS0_M2 | PWM3_IR_M0 | I2C1_SCL_M2 | GPIO0_D4 | 3 | 4 | +5.0V | ||||||||||
| 29 | CAN2_TX_M1 | SPI3_CS1_M2 | I2C1_SDA_M2 | GPIO0_D5 | 5 | 6 | GND | ||||||||||||
| 141 | UART9_RX_M1 | SPI3_MISO_M1 | PWM12_M1 | GPIO1_C0 | 7 | 8 | GPIO0_B5 | I2C1_SCL_M0 | UART2_TX_M0 | I2S1_MCLK_M1 | 13 | ||||||||
| GND | 9 | 10 | GPIO0_B6 | I2C1_SDA_M0 | UART2_RX_M0 | I2S1_SCLK_M1 | 14 | ||||||||||||
| 122 | UART9_RTSN_M2 | SPI0_MOSI_M3 | I2C7_SCL_M2 | GPIO3_D2 | 11 | 12 | GPIO1_C3 | I2C6_SCL_M1 | PWM7_IR_M2 | SPI4_CS0_M0 | UART3_CTSN | I2S0_SCLK | 51 | ||||||
| 58 | I2S0_SDO3 | I2S0_SDI2 | UART4_TX_M0 | SPI1_CLK_M2 | PWM0_M1 | I2C1_SCL_M4 | GPIO1_D2 | 13 | 14 | GND | |||||||||
| 8 | UART0_RX_M1 | SPI2_CS1_M2 | I2C1_SCL_M1 | GPIO0_B0 | 15 | 16 | GPIO1_D5 | SPI1_CS1_M2 | I2S0_SDI1 | 61 | |||||||||
| +3.3V | 17 | 18 | GPIO1_D3 | I2C1_SDA_M4 | PWM1_M1 | SPI1_CS0_M2 | UART4_RX_M0 | 59 | |||||||||||
| 42 | UART4_RX_M2 | SPI0_MOSI_M2 | GPIO1_B2 | 19 | 20 | GND | |||||||||||||
| 41 | SPI0_MISO_M2 | GPIO1_B1 | 21 | 22 | GPIO1_D0 | I2C7_SCL_M0 | SPI1_MISO_M2 | UART6_TX_M2 | I2S0_SDO1 | 56 | |||||||||
| 43 | UART4_TX_M2 | SPI0_CLK_M2 | GPIO1_B3 | 23 | 24 | GPIO1_B4 | SPI0_CS0_M2 | UART7_RX_M2 | 44 | ||||||||||
| GND | 25 | 26 | GPIO1_B5 | SPI0_CS1_M2 | UART7_TX_M2 | 45 | |||||||||||||
| 26 | I2S1_SDO1_M1 | UART1_RX_M2 | SPI3_MOSI_M2 | I2C0_SDA_M2 | GPIO0_D2 | 27 | 28 | GPIO0_D1 | I2C0_SCL_M2 | SPI0_CS0_M0 | UART1_TX_M2 | I2S1_SDO0_M1 | UART0_CTSN | 25 | |||||
| 142 | SPI3_MOSI_M1 | PWM13_M1 | I2C5_SCL_M1 | GPIO4_B6 | 29 | 30 | GND | ||||||||||||
| 0 | GPIO0_A0 | 31 | 32 | GPIO4_B3 | I2C7_SDA_M3 | PWM15_IR_M1 | UART8_CTSN_M0 | I2S1_SDO2_M0 | 139 | ||||||||||
| 33 | UART6_TX_M1 | SPI4_MOSI_M2 | I2C2_SCL_M4 | GPIO1_A1 | 33 | 34 | GND | ||||||||||||
| 53 | I2S0_LRCK | UART4_RTSN | I2C2_SCL_M3 | GPIO1_C5 | 35 | 36 | GPIO3_D3 | I2C7_SDA_M2 | PWM10_M2 | SPI0_CLK_M3 | 123 | ||||||||
| 57 | I2S0_SDI3 | I2S0_SDO2 | UART6_RX_M2 | SPI1_MOSI_M2 | I2C7_SDA_M0 | GPIO1_D1 | 37 | 38 | GPIO1_D4 | I2S0_SDI0 | 60 | ||||||||
| GND | 39 | 40 | GPIO1_C7 | I2C4_SCL_M4 | UART4_CTSN | I2S0_SDO0 | 55 |
WIFI/BT
Provides M.2 KEY interface, which is compatible with common PCIe protocol NICs in the market, such as Radxa Wireless A8 modules.
HDMI/DP
Equipped with full-size HDMI and DP connectors, supporting regular 4K, 2K, 1080P resolutions, the HDMI interface supports resolutions up to 8K.
USB
Provides 4x USB3.0 ports, compatible with USB2.0.
MIPI CSI
MIPI camera support.
MicroSD
Can be used as a system boot disk or as a storage medium.