Pinout Description

Interface and Connector description for the JN30D

Please note that the software GPIO number differs from the socket pin. This software GPIO number must be calculated with a special formula and differs between the various compute modules.

Please see our additional information about GPIO´s:

GPIO - Guide

Pinout Description Top Side

J3 – Ethernet (GbE)

Standard RJ45 pinout with POE capable magnetics class 3 and 4 (PD or PSE). Connected to the Ethernet controller on the compute module.

J4 – M.2 NVMe SSDs

The J4 uses PCIEx4, we recommend the 128 GB Transcend SSDs (TS128GMTE110S). This SSD is standard in some Auvidea development system offerings.

Please note that only NVME SSDs are supported. SATA SSDs are not supported

J5 – CSI-2 CD

22 pin 0.5 mm pitch FPC connector

Pin	Description	Socket pin	Note
1	3.3V		Power: connected with bead to 3.3V (5V optional if bead is moved)
2	GEN1_I2C_SDA	187
3	GEN1_I2C_SCL	185
4	GND
5	CAM2-MCLK		IN: Input - connect to 1.8V or 3.3V output of the camera to drive the CAM LED. 1: enable CAM LED 0: disable CAM LED
6	CAM2_PWDN	206	OUT: Output (open drain with 2.2k pullup to 3.3V) - connect to power enable of camera. The control signal is connected via level shifting inverter to pin 152 of the compute module.
7	GND
8	CSI_D_D1_P	66
9	CSI_D_D1_N	64
10	GND
11	CSI_D_D0_P	42
12	CSI_D_D0_N	40
13	GND
14	CSI_C_CLK_P	54
15	CSI_C_CLK_N	52
16	GND
17	CSI_C_D1_P	60
18	CSI_C_D1_N	58
19	GND
20	CSI_C_D0_P	48
21	CSI_C_D0_N	46
22	GND

This CSI-2 connector has the same 22 pin pinout as the 22-pin connector on the Raspberry Pi Zero and Raspberry Pi compute module dev kit board. With adapter cable, it may connect to Raspberry Pi camera 2.1 and Vision Component camera modules. Alvium cameras require the Alivium adapter.

Pin 6: by default, the device tree puts a PWM signal on pin 206 (LCD_BL_PWM - GPIO_07). For most cameras (like Raspberry Pi camera with iMX219 sensor) this needs to be changed to a constant low output to send a high to the camera for power enable. This is part of the device tree changes.

Some Vision Component camera modules use this pin to synchronize multiple cameras. The pin 5s of all CSI-2 connectors are OR ‘red together and drive the CAM LED output.

Please also see our CSI-Camera guide, for examples and additional information

CSI Camera - Guide

Please note that on the JN30D each camera connector uses its own I2C bus. This setup is different from the NVIDIA dev kit. If you like to use CSI-2 cameras, please install the Auvidea BSP (firmware).

J8 – USB 2.0

JST-GH 1.25 mm

Pin	Description	Socket pin	Note
1	5V
2	USB2_D_N	121
3	USB2_D_P	123
4	GND

Internal USB 2.0 JST-GH connector to connect to internal USB 2.0 add-on modules (like U100, U110, U120, etc.).

J9 – HDMI

Standard pinout

CEC is not supported (pin 13 of HDMI connector)

Power pin 18 is current limited by PTC fuse (5V 50mA)

J10 – CSI-2 AB

22 pin 0.5 mm pitch FPC connector

Pin	Description	Socket pin	Note
1	3.3V		Power: connected with bead to 3.3V (5V optional if bead is moved)
2	CAM-I2C_SDA	215
3	CAM-I2C_SCL	213
4	GND
5	CAM1-MCLK		IN: Input - connect to 1.8V or 3.3V output of the camera to drive the CAM LED. 1: enable CAM LED 0: disable CAM LED
6	CAM1_PWDN	206	OUT: Output (open drain with 2.2k pullup to 3.3V) - connect to power enable of camera. The control signal is connected via level shifting inverter to pin 152 of the compute module.
7	GND
8	CSI_B_D1_P	17
9	CSI_B_D1_N	15
10	GND
11	CSI_B_D0_P	5
12	CSI_B_D0_N	3
13	GND
14	CSI_A_CLK_P	12
15	CSI_A_CLK_N	10
16	GND
17	CSI_A_D1_P	18
18	CSI_A_D1_N	16
19	GND
20	CSI_A_D0_P	6
21	CSI_A_D0_N	4
22	GND

See further details in the J5 description.

J11 – USB 3.0 – 3.1

USB 3.0 Type A standard pinout

In Rev 1: power control is always on (5V 1A)

In Rev 2 and up: Controllable with GPIO pin 126 power on[0]/off[1] (default on[0]) (5V 1A)

J12 – USB-C

• Main power input to the carrier board is the 5V 3A USB-C power connector.

• No overcurrent and no reverse voltage protection implemented.

• Power is limited by the USB power supply. Alternative 5V powering via the two 5V pins of the GPIO header.

• Supports device mode and can be used to flash the compute module.

J14 – UART

JST-GH 1.25 mm

Pin	Description	Socket pin	Note
1	5V
2	UART0_TXD	99	OUT (3.3V)
3	UART0_RXD	101	IN (3.3V)
4	UART2_TXD	236	OUT, Debug port (3.3V)
5	UART2_RXD	238	IN, Debug port (3.3V)
6	GND

Unidirectional directional 1.8V to 3.3V level shifters and 10 Ohm series resistance (plus ESD protection).

J32 – Button and LED header

Pin	Description	Socket pin	Note
1	CAM_LED	218	OUT: open drain (3.3V to 12V)
2	5V		Connection to internal power rail (PoE power injection possible with optional PoE module). No reverse power protection, this could back power J12 USB-C connector
3	BTN PWR ON	-	default: auto power on, no function in rev 1
4	VDD RTC	235	real time clock battery
5	SYS RST IN	239	IN, open drain (1.8V)
6	GPIO_PA6	178	IN/OUT, no level shifter (1.8V)
7	Force recovery	214	IN: open drain (1.8V)
8	GND
9	PWR BTN enable		A jumper between 9 & 10 disables AutoStart. If you disabled AutoStart with this method, you need to use pin 3 (BTN PWR ON) and short it go GND to start the system. Only available in Rev 3 and up.
10	PWR BTN enable		See Pin 9

Rev 1&2	Rev 3 and up
	Added pin 9 & 10 to disable autostart in Rev 3 and up

CAM_LED flash signal can be used to control external camera LED. When using an external LED, please limit current with an external resistor. Connect cathode to this pin and anode to 3.3V to 12V power. Maximum current 2A.

CAM_LED: open drain output to drive cathode of camera LED.

Controlled by 3 signals which are OR red together:

• J5 pin 5 (CSI CD camera)

• J10 pin 5 (CSI AB camera)

Compute module Socket pin 218 (0: LED off, 1: LED on, float: LED on)

J36 – Fan

Pico blade 1.5 mm

Pin	Description	Socket pin	Note
1	GND
2	5V		max. 1A
3	TACH	-	not connected
4	PWM	230

P11 – POE

This connects to the 4 center pins of the Ethernet magnetics on the cable side to extract or inject POE power. This connector may be used for POE add-on solutions.

P12 – GPIO header

Please use any Raspberry Pi hats with care and carefully check compatibility as compatibility was in mind but cannot be guaranteed for all modules.

All GPIO signals are unidirectional (input or output).

Pin	Description	Socket pin	Note
1	3.3V
2	5V		alternative power supply input
3	I2C1_SDA	189	GEN2_I2C_SDA (3.3V)
4	5V		alternative power supply input
5	I2C1_SCL	189	GEN2_I2C_SCL (3.3V)
6	GND
7	GPIO09_LS	211	OUT (3.3V)
8	UART1_TXD_LS	203	OUT (3.3V)
9	GND
10	UART1_RXD_LS	205	IN (3.3V, 5V tolerant)
11	UART1_RTS_LS	207	OUT (3.3V)
12	I2S0_SCLK_LS	199	OUT (3.3V)
13	SPI1_SCK_LS	106	OUT (3.3V)
14	GND
15	GPIO12_LS	218	OUT (3.3V)
16	SPI1_CS1_LS	112	OUT (3.3V)
17	3.3V
18	SPI1_CS0_LS	110	OUT (3.3V)
19	SPI0_MOSI_LS	89	OUT (3.3V)
20	GND
21	SPI0_MISO_LS	93	IN (3.3V, 5V tolerant)
22	SPI1_MISO_LS	108	IN (3.3V, 5V tolerant)
23	SPI0_SCK_LS	91	IN (3.3V, 5V tolerant)
24	SPI0_CS0_LS	95	OUT (3.3V)
25	GND
26	SPI0_CS1_LS	97	OUT (3.3V)
27	ID_I2C_SDA	187	GEN1_I2C_SDA (3.3V)
28	ID_I2C_SCL	185	GEN1_I2C_SCL (3.3V)
29	GPIO01_LS	118	IN (3.3V, 5V tolerant)
30	GND
31	GPIO11_LS	216	IN (3.3V, 5V tolerant)
32	GIIO07_LS	206	OUT (3.3V)
33	GPIO13_LS	228	IN (3.3V, 5V tolerant)
34	GND
35	I2S0_LRCK_LS	197	OUT (3.3V)
36	UART1_CTS_LS	209	IN (3.3V, 5V tolerant)
37	SPI1_MOSI_LS	197	OUT (3.3V)
38	I2S0_SDIN_LS	195	IN (3.3V, 5V tolerant)
39	GND
40	I2S0_SDOUT_LS	193	OUT (3.3V)

GPIO - Guide

U10 – Crypto chip

Integrated for software protection and licensing.

Model: ATSHA204A

Pin	Description	Socket pin	Note
1	NC
2	NC
3	NC
4	GND
5	GEN3_I2C_SDA
6	GEN3_I2C_SCL
7	NC
8	3.3V

LED – M.2

Shows M.2 activity.

LED – Ethernet

Shows Ethernet activity on Socket pin 194 – on[0]/off[1], default: off

At own risk resistor can be moved to control Eth-LED via socket pin 188 (link LED)

Image	Note
	ACT-Ethernet
	ACT-Control with socket pin 188

LED – PWR

Connected to 3.3V power rail. This LED is always on when 3.3V is present on the power rail.