Pinout Description
Pinout description top side
Please note that the software GPIO number differs from the socket pin number. This software GPIO number must be computed with a special formula and differs between the various compute modules. Please see appendix B for details.
J1 – Power input jack
Nexus-5876J
1
12V
12V nominal (absolute max. 20V)
recommend power supply 12V 36W (or higher)
Reverse voltage protection
over voltage protection (SMA6J18CA) with max 20V peak
2
GND
Reverse voltage protection also functions as back power protection if PoE injection is used with J32 pin 2. If a voltage higher than 20V is applied, the TRS diode will heat up and get damaged.
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. PoE-PD and PoE-PSE are supported with the corresponding variants of the JNX30. Also, there is the new JNX30 PDiso (38481) with isolated PoE-PD.
J4 – M.2 PCIEx4 NVMe SSDs
Please note that only NVMe SSDs are supported. SATA SSDs are not supported. We recommend the 128 GB Transcend SSDs (TS128GMTE110S). This SSD is standard in some Auvidea dev kit offerings.
J5 – CSI-2 CD
22 pin 0.5 mm pitch FPC connector
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 modules.
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
Please note that on the JNX30 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).
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 Alvium 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.
J6 Display port
J7 – Power out
SM10B-GHS-TB
1
V_IN
2
V_IN
3
12V
4
12V
5
12V
6
12V
7
GND
8
GND
9
GND
10
GND
J8 – USB 2.0
JST-GH 1.25 mm
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, …).
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
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 modules.
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_03 (socket pin 126) power on[0]/off[1], default off[1], 5V 1A
See Appendix B for documentation on how to configure and use GPIOs.
J12 – Micro USB
Standard pinout
OTG support (to flash the compute module)
See Appendix B for documentation on how to configure and use GPIOs.
J13 – FAN
Pico blade 1.5 mm
1
GND
2
5V
Max. 1A
3
TACH
Not connected
4
PWM
Open drain output with 10k pullup to 5V
J14 – UART connector
JST-GH 1.25 mm
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 – CAM LED
SM04B-GHS-TB
1
12V
2
12V
3
CAM_LED
OUT: open drain (3.3V to 12V)
4
CAM_LED
OUT: open drain (3.3V to 12V)
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 GPIO_12: (socket pin 218) 0: LED off, 1: LED on, float: LED on
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 CAM_LED pin and anode to 3.3V to 12V power. Maximum current: 2A.
J34 - Power input jack
MOLEX-436500216
1
12V
12V nominal (absolute max. 20V)
recommend power supply 12V 36W (or higher)
Reverse voltage protection
over voltage protection (SMA6J18CA) with max 20V peak
2
GND
J36 – FAN
Pico blade 1.5 mm
1
GND
2
5V
Max. 1A
3
TACH
-
Not connected
4
PWM
230
Open drain output with 10k pullup to 5V
P11 - PoE connector
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 addon solutions.
U1 Crypto chip
Model: ATSHA204A
1
NC
2
NC
3
NC
4
GND
5
GEN2_I2C_SDA
6
GEN2_I2C_SCL
7
NC
8
3.3V
Integrated for software protection and licensing.
Datasheet Link:
LED - Eth
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)
LED – Over current
Placed between J1 (Power connector) and J3 (Ethernet).
Shows over current condition of integrated 5V 8A power supply. If 8A is exceeded, the power output is disabled, and the LED is activated to red. To reset this over current condition, power input must be cycled.
The integrated 5V power controller supplies power to the compute module, the USB ports and the 3.3V power controller for the M.2 socket.
LED – PWR
Controlled by GPIO_PA6 (socket pin 178): on[1]/off[0], default: off[0].
LED – RGB
Pinout description bottom side
J15 – Super Cap UPS
UMPT-05-01.5-T-VT-SM-WT-K
1
V-12
2
GND
3
Vout
4
/PFO
5
GPI
6
Vdc
7
V-12
J16 – Power On
Press to power on the system
J17 – Buttons
SM06B-GHS-TB
1
Vdd_RTC
2
SYS_RST_IN
Same pin as J20
3
FORCE_REC
Same pin as J18
4
GPIO_PA6
5
BTN_PWR_ON
Same pin as J16
6
GND
J18 – Force Recovery
Press to bring system in to force recovery mode during power up
J19 – CSI-E
22 pin 0.5 mm pitch FPC connector
1
3.3V
Power: connected with bead to 3.3V (5V optional if bead is moved)
2
GEN2-I2C_SDA
3
GEN2-I2C_SCL
4
GND
5
CAM3-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
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 modules.
7
GND
8
NC
9
NC
10
GND
11
NC
12
NC
13
GND
14
CSI_E_CLK_P
15
CSI_E_CLK_N
16
GND
17
CSI_E_D1_P
18
CSI_E_D1_N
19
GND
20
CSI_E_D0_P
21
CSI_E_D0_N
22
GND
J20 – Reset Button
Press to reset the compute module.
J21 – CSI-F
22 pin 0.5 mm pitch FPC connector
1
3.3V
Power: connected with bead to 3.3V (5V optional if bead is moved)
2
GEN3-I2C_SDA
3.3V
3
GEN3-I2C_SCL
3.3V
4
GND
5
CAM3-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
CAM4_PWDN
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 modules.
7
GND
8
NC
9
NC
10
GND
11
NC
12
NC
13
GND
14
CSI_F_CLK_P
15
CSI_F_CLK_N
16
GND
17
CSI_F_D1_P
18
CSI_F_D1_N
19
GND
20
CSI_F_D0_P
21
CSI_F_D0_N
22
GND
J22 – SPI
SM10B-GHS-TB
1
3.3V
2
1.8V
3
SPI2_SCK
106
1.8V
4
SPI2_MISO
108
1.8V
5
SPI2_MOSI
104
1.8V
6
SPI2_CS0
110
1.8V
7
SPI2_CS1
112
1.8V
8
GEN1_I2C_SCL
185
3.3V
9
GEN1_I2C_SDA
187
3.3V
10
GND
J23 – USB0
Standard pinout USB2.0
J25 – UART0
SM06B-GHS-TB
1
5.0V
2
UART0_TXD
1.8V
3
UART0_RXD
1.8V
4
UART0_RTX
1.8V
5
UART0_CTS
1.8V
6
GND
J26 – I2S0
SM06B-GHS-TB
1
1.8V
2
I2S0_SDIN
3
I2S0_SDOUT
4
I2S0_LRCK
5
I2S0_SCLK
6
GND
J27 – I2C2
SM04B-GHS-TB
1
5.0V
(3.3V optional)
2
GEN2_I2C_SCL
189
3
GEN2_I2C_SDA
191
4
GND
J28 – I2S1
SM06B-GHS-TB
1
1.8V
2
I2S1_SDIN
3
I2S1_SDOUT
4
I2S1_LRCK
5
I2S1_SCLK
6
GND
J29 – I2C3
SM04B-GHS-TB
1
5.0V
(3.3V optional)
2
CAM_I2C_SCL
3
CAM_I2C_SDA
4
GND
J30 – WPS
SM02B-GHS-TB
1
3.3V
2
WPS/PDN
Connected to the USB Wifi Module (LM823), pin 6
J33 – PCIe x1
FH55-22S-0.5SH
1
GND
2
GPIO_05
3
PCIE_WAKE_L
4
GND
5
PEX_L1_CRQ
6
PEX_L1_RST
7
GND
8
PEX_RX0_N
9
PEX_RX0_P
10
GND
11
PEX_TX0_N
12
PEX_TX0_P
13
GND
14
PEX_CLK2_N
15
PEX_CLK2_P
16
GND
17
3.3V
18
3.3V
19
GND
20
5.0V
21
5.0V
22
GND
J35 – CAN
SM04B-GHS-TB
1
5.0V
2
CAN_TX
3
CAR_RX
4
GND
Micro SD
Standard pinout
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