CM3-Home technical documentation Buy
GPIO 0 - I2C0 - SDA Mipi Camera
GPIO 1 - I2C0 - SCL Mipi Camera
GPIO 2 - IO1 - Mipi Camera
GPIO 3 - IO0 - Mipi Camera
GPIO 4 - NC
GPIO 5 - NC
GPIO 6 - NC
GPIO 7 - SPI CE1
GPIO 8 - SPI CE0
GPIO 9 - SPI MISO
GPIO 10 - SPI MOSI
GPIO 11 - SPI SCLK
GPIO 12 - NC
GPIO 13 - NC
GPIO 14 - TXD0 TP-uart
GPIO 15 - RXD0 TP-uart
GPIO 16 - 1-Wire port
GPIO 17 - NC
GPIO 18 - Display backlight (1=On)
GPIO 19 - NC
GPIO 20 - IR receiver port
GPIO 21 - Left relay
GPIO 22 - Right relay
GPIO 23 - Display RST
GPIO 24 - Display D/C
GPIO 25 - Display IRQ
GPIO 26 - Available GPIO on J3
GPIO 27 - Available GPIO on J3
GPIO 28 - Left Input dry contact (1)
GPIO 29 - Right Input dry contact (2)
GPIO 30 - Light bus Rx
GPIO 31 - Light bus Tx
GPIO 32 - TXD1 Debug port
GPIO 33 - RXD1 Debug port
GPIO 34 - RGB led - Blue - (0=On)
GPIO 35 - RGB led - Green - (0=On)
GPIO 36 - RGB led - Red - (0=On)
GPIO 37 - WiFi power-on (1=ON)
GPIO 38 - Yarm reset
GPIO 39 - Yarm
GPIO 40 - PWM0 OUT - Audio left channel
GPIO 41 - PWM1 OUT - Audio right channel
GPIO 42 - NC
GPIO 43 - NC
GPIO 44 - I2C1 SDA Groove port #1
GPIO 45 - I2C1 SCL Groove port #1
1 - 3V3 out
2 - 3V3 out
3 - SPI0 CE1 - GPIO 7
4 - Display backlight - GPIO 18 - (1=On)
5 - SPI0 CE0 - GPIO 8
6 - Display reset - GPIO 23
7 - SPI0 MOSI - GPIO 10
8 - Display D/C - GPIO 24
9 - SPI0 MISO - GPIO 9
10 - Display IRQ - GPIO 25
11 - Available - GPIO 26
12 - Available - GPIO 27
13 - GND
14 - SPI0 SCLK - GPIO 11
15 - GND
16 - GND
/dev/ttyUSB0 - Left RS485 port
/dev/ttyUSB1 - Yarm serial link
/dev/ttyUSB2 - Right RS485 port
/dev/ttyUSB3 - Serial port interface
/dev/ttyAMA0 - TP-Bus
/dev/ttyS0 - Debug port
State | WiFi | Lan | Peripherals | Consumption |
---|---|---|---|---|
Normal state after boot | Off | On | None | 250mA @ 12 volt |
Normal state after boot | Off | Off | None | 225mA @ 12 volt |