Connections

D2X rev2 board

Overview

D2X rev2 mainboard top view

ANT1

Antenna port 1 - SMA connector female

ANT2

Antenna port 2 - SMA connector female

Left side view

Connector positions

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.

currently not supported!

2wire ETH1

2pin JST-GH connector for 100bT 2wire Ethernet connection.

currently not supported!

2wire ETH2

2pin JST-GH connector for 100bT 2wire Ethernet connection.

currently not supported!

Front side view

Connector and Button positions

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 for further details on the startup configuration.

Default setting is USB network with IP 192.168.7.2 or .7.3 Host computer should be set to 192.168.7.1

HDMI

Standard HDMI connector to attach a display/monitor.

ETH1

Hirose iX connector for Gbit Ethernet connection.

currently not supported!

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

Connector descriptions

CAMERA

33pin CSI-2 camera port. Camera module supported is Technexion CAM-OV5645.

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.

Currently not supported!

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