> For the complete documentation index, see [llms.txt](https://nxp.gitbook.io/d2x/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nxp.gitbook.io/d2x/d2x-board-rev2/connections.md). # Connections ## Overview ![D2X rev2 mainboard top view](/files/-LOUh5H32sAbq6oKEeuz) #### ANT1 Antenna port 1 - SMA connector female #### ANT2 Antenna port 2 - SMA connector female ## Left side view ### Connector positions ![](/files/-LOUhVOeWYoxMxEvDAfJ) ### Connector descriptions #### CAN1 2 4pin JST-GH connectors for CAN bus. Pins of both ports are physically connected to each other. | pin | signal | specification | | --- | ------- | ------------- | | 1 | V\_CAN1 | | | 2 | CAN1\_H | | | 3 | CAN1\_L | | | 4 | GND | | #### CAN2 2 4pin JST-GH connectors for CAN bus. Pins of both ports are physically connected to each other. | pin | signal | specification | | --- | ------- | ------------- | | 1 | V\_CAN2 | | | 2 | CAN2\_H | | | 3 | CAN2\_L | | | 4 | GND | | #### I2C-1 4pin JST-GH connector for I2C port 1. | pin | signal | specification | | --- | -------- | ------------- | | 1 | V5.2 | 5.2V | | 2 | I2C1 SCL | 3.3V | | 3 | I2C1 SDA | 3.3V | | 4 | GND | 0V | #### I2C-3 5pin JST-GH connector for I2C port 3 including one IRQ line to connect NFC reader. | pin | signal | specification | | --- | -------- | ------------------------------------- | | 1 | V5.2 | 5.2V | | 2 | I2C3 SCL | 3.3V | | 3 | I2C3 SDA | 3.3V | | 4 | IRQ | 3.3V, connected to GPIO P25 of i.MX6Q | | 5 | GND | 0V | #### ETH2 4pin JST-GH connector for 100bT Ethernet connection. {% hint style="warning" %} currently not supported! {% endhint %} #### 2wire ETH1 2pin JST-GH connector for 100bT 2wire Ethernet connection. {% hint style="warning" %} currently not supported! {% endhint %} #### 2wire ETH2 2pin JST-GH connector for 100bT 2wire Ethernet connection. {% hint style="warning" %} currently not supported! {% endhint %} ## Front side view ### Connector and Button positions ![](/files/-LOUiuOWmBYQv_ecPGtU) ### Connector and Button descriptions #### UART 6pin JST-GH connector providing UART1 (console) and UART4 (telemetry).\ UART4 purpose is to connect to UART of flight control for providing MavLink telemetry data in case used as drone unit. | pin | signal | specification | | --- | -------- | ------------- | | 1 | V5.2 | 5.2V | | 2 | UART1 TX | 3.3V | | 3 | UART1 RX | 3.3V | | 4 | UART4 TX | 3.3V | | 5 | UART4 RX | 3.3V | | 6 | GND | 0V | #### USB microUSB socket acting either as USB-OTG or USB client serial or ethernet port.\ USB serial or ethernet is configurable via nxpD2X startup script.\ See [Enable USB network](/d2x/software/d2x-application/enabling-usb-network.md) for further details on the startup configuration. {% hint style="info" %} Default setting is USB network with IP 192.168.7.2 or .7.3\ Host computer should be set to 192.168.7.1 {% endhint %} #### HDMI Standard HDMI connector to attach a display/monitor. #### ETH1 Hirose iX connector for Gbit Ethernet connection. {% hint style="warning" %} currently not supported! {% endhint %} #### RESET Reset button to perform hardware reset. #### BTN General purpose button. Connected to GPIO P24 of i.MX6Q.\ Active low. ## Right side view ### Connector positions ![](/files/-LOUj_zCFcUljFa0e7mV) ### Connector descriptions #### CAMERA 33pin CSI-2 camera port. Camera module supported is Technexion [CAM-OV5645](https://shop.technexion.com/cam-ov5645.html). | pin | signal | specification | | --- | ---------- | ------------- | | 1 | CSIC-1\_P | | | 2 | CSIC-1\_N | | | 3 | GND | 0V | | 4 | CSID0-1\_P | | | 5 | CSID0-1\_N | | | 6 | GND | 0V | | 7 | CSID1-1\_P | | | 8 | CSID1-1\_N | | | 9 | GND | 0V | | 10 | CSID2-1\_P | | | 11 | CSID2-1\_N | | | 12 | GND | 0V | | 13 | CSID3-1\_P | | | 14 | CSID3-1\_N | | | 15 | GND | 0V | | 16 | DSI\_D1\_P | | | 17 | DSI\_D1\_M | | | 18 | GND | 0V | | 19 | DSI\_D0\_P | | | 20 | DSI\_D0\_M | | | 21 | GND | 0V | | 22 | DSI\_C\_P | | | 23 | DSI\_C\_M | | | 24 | GND | 0V | | 25 | I2C2 SCL | | | 26 | I2C2 SDA | | | 27 | V3.3 | 3.3V | | 28 | V3.3 | 3.3V | | 29 | GPIO\_3 | 3.3V | | 30 | GPIO\_6 | 3.3V | | 31 | GPIO\_8 | 3.3V | | 32 | V5.2 | 5.2V | | 33 | V5.2 | 5.2V | #### GPIO 4pin JST-GH connector providing 3 GPIO data lines. | pin | signal | specification | | --- | ----------- | ------------- | | 1 | GPIO\_P28 | 3.3V | | 2 | GPIO\_P30 | 3.3V | | 3 | GPIO2\_IO08 | 3.3V | | 4 | GND | 0V | #### POWER 4pin JST-GH supply power connector. | pin | signal | specification | | --- | ------ | ------------------------- | | 1 | VIN | 7-25V, use both pins 1&2. | | 2 | VIN | 7-25V, use both pins 1&2. | | 3 | GND | 0V, use both pins 3&4. | | 4 | GND | 0V, use both pins 3&4. | #### PPS 2pin JST-GH connector for 1pps clock signal input to V2X transceiver module. | pin | signal | specification | | --- | ------ | ------------- | | 1 | 1PPSn | 3.3V | | 2 | GND | 0V | #### SPI 7pin JST-GH connector providing SPI port. | pin | signal | specification | | --- | --------- | -------------------------- | | 1 | V5.2 | 5.2V | | 2 | SPI\_SCK | 3.3V, SPI2\_SCLK on i.MX6Q | | 3 | SPI\_MISO | 3.3V, SPI2\_MISO on i.MX6Q | | 4 | SPI\_MOSI | 3.3V, SPI2\_MOSI on i.MX6Q | | 5 | SPI\_CS2 | 3.3V, SPI\_SS2 on i.MX6Q | | 6 | SPI\_CS3 | 3.3V, SPI\_SS3 on i.MX6Q | | 7 | GND | 0V | #### RS232 4pin JST-GH connector for RS232 level UART. {% hint style="warning" %} Currently not supported! {% endhint %} #### GPS 6pin JST-GH GPS UART connector following dronecode standard including I2C port for compass. | pin | signal | specification | | --- | -------- | ------------- | | 1 | V5.2 | 5.2V | | 2 | UART5 TX | 3.3V | | 3 | UART5 RX | 3.3V | | 4 | I2C2 SCL | 3.3V | | 5 | I2C2 SDA | 3.3V | | 6 | GND | 0V |