Datasheet of CM4 Industrial V1.4

EDA Technology Co.,LTD

– Electronics Development Accelerator

4.6 FPC HDMI

CM4 Industrial has an HDMI interface in the form of 1 FPC, the interface is J65, the screen printing

name is HDMI LCD, and USB 2.0 touch screen signal and PWM brightness level signal are reserved on

it, which can be connected to an HDMI touch screen. Please use 40pin 0.5mm spacing single-sided FPC

cable to connect.

The corresponding definitions of FPC HDMI interface pins are as follows.

Pin ID

Pin Name

Pin ID

Pin Name

1

Y+

21

GND

2

X+

22

HDMI1_CLKP

3

Y-

23

HDMI1_CLKN

4

X-

24

GND

5

GND

25

BACKLIGHT_PWM

6

USB_DP

26

GND

7

USB_DM

27

GND

8

GND

28

GND

9

HDMI1_HPD

29

GND

10

HDMI1_SCL

30

GND

11

HDMI1_SDA

31

GND

12

GND

32

LCD_PWR_EN

13

HDM1_TX2P

33

GND

14

HDMI1_TX2N

34

GND

15

GND

35

GND

16

HDM1_TX1P

36

GND

17

HDM1_TX1N

37

GND

18

GND

38

GND

19

HDM1_TX0P

39

GND

20

HDMI1_TX0N

40

5V