DS90C385A: The display can't light up with DS90C385A

Pin No. 

Symbol 

I/O 

Function 

Remark

1 

VCOM 

P 

Common Voltage

2 

VDD 

P 

Digital circuit

3 

VDD 

P 

Digital circuit

4 

NC 

--- 

No connection

5 

RESET 

I 

Global reset pin

6 

STBYB 

I

Standby mode, Normally pulled high 

STBYB = “1”, normal operation 

STBYB = “0”, timing controller, source driver will turn off, all output are High-Z

7 

GND 

P 

Ground

8 

RXIN0- 

I 

Negative LVDS differential data input

9 

RXIN0+ 

I 

Positive LVDS differential data input

10 

GND 

P 

Ground

11 

RXIN1- 

I 

Negative LVDS differential data input

12 

RXIN1+ 

I 

Positive LVDS differential data input

13 

GND 

P 

Ground

14 

RXIN2- 

I 

Negative LVDS differential data input

15 

RXIN2+ 

I 

Positive LVDS differential data input

16 

GND 

P 

Ground

17 

RXCLKIN- 

I 

Negative LVDS differential clock input

18 

RXCLKIN+ 

I 

Positive LVDS differential clock input

19 

GND 

P 

Ground

20 

RXIN3- 

I 

Negative LVDS differential data input

21 

RXIN3+ 

I 

Positive LVDS differential data input

22 

GND 

P 

Ground

23 

NC 

--- 

No connection

24 

NC 

--- 

No connection

25 

GND 

P 

Ground

26 

NC 

--- 

No connection

27 

NC 

--- 

No connection

28 

SELB 

I

6bit/8bit mode select 

H:6bit / L:8bit

29 

AVDD 

P 

Power for Analog Circuit

30 

GND 

P 

Ground

31 

LED- 

P 

LED Cathode

32 

LED- 

P 

LED Cathode

33 

L/R 

I 

Horizontal inversion

34 

U/D 

I 

Vertical inversion

35 

VGL 

P 

Negative power for TFT

36 

NC 

--- 

No connection

37 

NC 

--- 

No connection

38 

VGH 

P 

Positive power for TFT

39 

LED+ 

P 

LED Anode

40 

LED+ 

P 

LED Anode