ADLINK IPi-SMARC ARM ============ Based on Rockchip PX30 with Quad-core ARM Cortex-A35 CPU Up to 4GB DDR3L at 1066/1333 MHz, 32 GB eMMC 4x USB 2.0, 1x USB 2.0 OTG port, 2x 10/100M Ethernet Ports, DSI to HDMI converter board, RTC and a 40-pin I/O header ## Pin Mapping | Linux GPIO (/sys/class/gpio) | Function | MRAA number | MRAA number | Function | Linux GPIO (/sys/class/gpio) | | :--------------------------: | :-------: | :---------: | :---------: | :-------: | :--------------------------: | | | 3V3 | 1 | 2 | 5V | | | | I2C_0 SDA | 3 | 4 | 5V | | | | I2C_0 SCL | 5 | 6 | GND | | | 116 | GPIO | 7 | 8 | UART TX | | | | GND | 9 | 10 | UART RX | | | 118 | GPIO | 11 | 12 | GPIO | 117 | | 107 | GPIO | 13 | 14 | GND | | | 104 | GPIO | 15 | 16 | GPIO | 109 | | | 3V3 | 17 | 18 | GPIO | 121 | | | SPI MOSI | 19 | 20 | GND | | | | SPI MISO | 21 | 22 | GPIO | 122 | | | SPI SCLK | 23 | 24 | SPI CS0 | | | | GND | 25 | 26 | N/A | | | | I2C_1 SDA | 27 | 28 | I2C_1 SCL | | | 496 | GPIO/PWM | 29 | 30 | GND | | | 497 | GPIO/PWM | 31 | 32 | GPIO/PWM | 498 | | 499 | GPIO/PWM | 33 | 34 | GND | | | 500 | GPIO/PWM | 35 | 36 | GPIO/PWM | 501 | | 502 | GPIO/PWM | 37 | 38 | GPIO/PWM | 503 | | | GND | 39 | 40 | GPIO/PWM | 504 | **Note**: N/A: Funciton is not supported