Comment on page
Connections & Ports
This baseboard is compatible with both Pixhawk 5X & 6X, and any flight controller that follow the Pixhawk Autopilot Bus Standard.
FC Module is internally connected to RPi CM4 through TELEM2
- CM4 GPIO14 <-> FMU TXD TELEM2
- CM4 GPIO15 <-> FMU RXD TELEM2
- CM4 GPIO16 <-> FMU CTS TELEM2
- CM4 GPIO17 <-> FMU RTS TELEM2
CM4 USB Device Port. Use for CM4 Power and image flash. Max input voltage
CM4 USB Host port. 1A Current output limit for each port.
CM4 Video Output
| CM4 Slave | CM4 Host1&2 |
RPI | Data Connected Power IN and Data | Data Not Connected Power out only |
EMMC | Data Not Connected Power IN only | Data Connected Power out and Data |
Refer to this diagram for location of pin1. All connectors are JST GH 1.25 mm Pitch unless noted otherwise.
Pin | Signal | Volt |
1(red) | CM4_TRD0_P | +3.3V |
2(pink) | CM4_TRD0_N | +3.3V |
3(yellow) | CM4_TRD1_P | +3.3V |
4(green) | CM4_TRD1_N | +3.3V |
5(brown) | CM4_TRD2_P | +3.3V |
6(blue) | CM4_TRD2_N | +3.3V |
7(purple) | CM4_TRD3_P | +3.3V |
8(black) | CM4_TRD3_N | +3.3V |
Pin | Signal | Volt |
1(red) | RXN | +3.3V |
2(black) | RXP | +3.3V |
3(black) | TXN | +3.3V |
4(black) | TXP | +3.3V |
FC & CM4 connected via ethernet using cabled provided.
Pin | Signal | Volt |
1(red) | CM4_VDD_5V | +5V |
2(black) | GND | GND |
Pin | Signal | Volt |
1 | GND | GND |
2 | CM4_CAM1_D0_N | +3.3V |
3 | CM4_CAM1_D0_P | +3.3V |
4 | GND | GND |
5 | CM4_CAM1_D1_N | +3.3V |
6 | CM4_CAM1_D1_P | +3.3V |
7 | GND | GND |
8 | CM4_CAM1_CLK_N | +3.3V |
9 | CM4_CAM1_CLK_P | +3.3V |
10 | GND | GND |
11 | CM4_CAM1_D2_N | +3.3V |
12 | CM4_CAM1_D2_P | +3.3V |
13 | GND | GND |
14 | CM4_CAM1_D3_N | +3.3V |
15 | CM4_CAM1_D3_P | +3.3V |
16 | GND | GND |
17 | CM4_CAM1_GPIO | +3.3V |
18 | No Connected | -- |
19 | GND | GND |
20 | CM4_I2C0_SCL | +3.3V |
21 | CM4_I2C0_SDA | +3.3V |
22 | CM4_VDD_3V3 | +3.3V |
Last modified 1yr ago