:::warning Wiring precautions
These tables describe X733BV2 baseboard connectors. Verify connector orientation, Pin 1, voltage rails, differential-pair polarity and device-tree configuration before attaching displays, cameras, batteries or high-speed peripherals.
:::
| Pin | Signal |
|---|
| 1 | 12V |
| 2 | 12V |
| 3 | GND |
| 4 | GND |
Battery connector
| Pin | Signal |
|---|
| 1 | VBAT |
| 2 | VBAT |
| 3 | TS |
| 4 | GND |
| Pin | Signal |
|---|
| 1 | 5V |
| 2 | USB_DM |
| 3 | USB_DP |
| 4 | GND |
| Pin | Signal |
|---|
| 1 | 3.3V |
| 2 | GND |
| 3 | CSCL |
| 4 | CSDA |
Flash-light connector
Debug UART
| Pin | Signal |
|---|
| 1 | GND |
| 2 | UART0_RX |
| 3 | UART0_TX |
| 4 | NC |
This is logic-level UART, not RS232. Cross TX/RX and connect a common ground when using a USB-to-UART adapter.
External key connector
| Pin | Signal |
|---|
| 1 | BOOT |
| 2 | RST |
| 3 | PWRON |
| 4 | GND |
MIPI DSI display connector
| Pin | Signal | Pin | Signal |
|---|
| 1 | VCC-5V | 16 | GND |
| 2 | VCC-5V | 17 | MIPI-DSI0-DN3 |
| 3 | VCC-5V | 18 | MIPI-DSI0-DP3 |
| 4 | VCC3V3_S3 | 19 | GND |
| 5 | VCC3V3_S3 | 20 | MIPI-DSI0-DN2 |
| 6 | TWI2_SCK | 21 | MIPI-DSI0-DP2 |
| 7 | TWI2_SDA | 22 | GND |
| 8 | TP_INT | 23 | MIPI-DSI0-CKN |
| 9 | TP_RST | 24 | MIPI-DSI0-CKP |
| 10 | VCC3V3_S3 | 25 | GND |
| 11 | VCC3V3_S3 | 26 | MIPI-DSI0-DN1 |
| 12 | LCD-PWM | 27 | MIPI-DSI0-DP1 |
| 13 | LCD_RST | 28 | GND |
| 14 | NC | 29 | MIPI-DSI0-DN0 |
| 15 | PJ24 | 30 | MIPI-DSI0-DP0 |
MIPI CSI camera connector
| Pin | Signal | Pin | Signal |
|---|
| 1 | GND | 16 | GND |
| 2 | MCSIA-CKP | 17 | NC |
| 3 | MCSIA-CKN | 18 | NC |
| 4 | GND | 19 | MIPI_AF |
| 5 | MCSIA-D0P | 20 | TWI3-SCK |
| 6 | MCSIA-D0N | 21 | TWI3-SDA |
| 7 | GND | 22 | MCSI-MCLK |
| 8 | MCSIA-D1P | 23 | MCSI-MCLK |
| 9 | MCSIA-D1N | 24 | MCSI-STBY-R |
| 10 | GND | 25 | MCSI-STBY-F |
| 11 | MCSIA-D2P | 26 | MCSI-RST-R |
| 12 | MCSIA-D2N | 27 | MCSI-RST-F |
| 13 | GND | 28 | VCC1V8_CAM3 |
| 14 | MCSIA-D3P | 29 | VCC2V8_CAM3 |
| 15 | MCSIA-D3N | 30 | MIPI_1.2V_CAM3 |
eDP display connector
| Pin | Signal | Pin | Signal |
|---|
| 1 | TP-GPIO2 | 21 | VCC-3V3 |
| 2 | GND | 22 | BITSET |
| 3 | EDP-TX3N | 23 | GND |
| 4 | EDP-TX3P | 24 | GND |
| 5 | GND | 25 | GND |
| 6 | EDP-TX2N | 26 | GND |
| 7 | EDP-TX2P | 27 | AUX-HPD |
| 8 | GND | 28 | GND |
| 9 | EDP-TX1N | 29 | GND |
| 10 | EDP-TX1P | 30 | GND |
| 11 | GND | 31 | GND |
| 12 | EDP-TX0N | 32 | EDP-LED-EN |
| 13 | EDP-TX0P | 33 | LCD_BL_PWM |
| 14 | GND | 34 | TWI2-SCK |
| 15 | EDP-AUXP | 35 | TWI2-SDA |
| 16 | EDP-AUXN | 36 | 12V |
| 17 | GND | 37 | 12V |
| 18 | VCC-3V3 | 38 | 12V |
| 19 | VCC-3V3 | 39 | 12V |
| 20 | VCC-3V3 | 40 | TP-GPIO1 |
Microphone, speaker and fan
Microphone (each channel)
Speaker (each channel)
Fan