Datasheet of CM4 Industrial V1.4

EDA Technology Co.,LTD

– Electronics Development Accelerator

4.12 micro-USB

The micro-USB interface is J73, with the screen name of "USB PROGRAM", which is close to the battery

socket of RTC, and is mainly used to burn eMMC of CM4 core board.

Pin ID

Pin Name

1

5V

2

D-

3

D+

4

NC

5

GND

4.13 5V@1A Output

Power output interface J72, on the front of PCBA, near DSI1 FPC connector, provides 5V@1A DC

output. Screen printing is marked with 5V, GND. It can be used to supply power to Raspberry Pi 7-inch

official touch screen, and can also be used for other loads.

Pin ID

Pin Name

1

5V

2

GND

4.14 PoE Pin Header

The gigabit network port of CM4 Industrial supports POE power supply, and the POE power supply

terminal is led out through 1x2.54 mm Pinheader, which needs to be equipped with the official POE HAT

module to realize PoE power supply for CM4 Industrial equipment.

Pin definition of POE Pin Header is as follows

Pin ID

Pin Name

1

VC1-

2

VC1+

3

VC2-

4

VC2+

4.15 Fan Pin Header