TSD 4.21 Inch TFT LCD round lcd panel 720 x (R,G,B) x 720 resolution with capacitive touch panel

General Specification

Part No. 

TST421GGU-01C

Display Size(Diagonal)

4.21 inch

LCD type

TFT,Transflective,Normally white

Resolution

720*RGB*720

View Direction

ALL o’clock

Module Outline

132.5(H) x132.5(V) x9.3(D)

Active Area

105.84(H) 105.84(V)

Viewing Area

ALL o’clock

Backlight

LED

Driver IC

ST1727

Interface

RGB

Weight(g)

TBD

Power Consumption(w)

Panel

TBD(Typ.)

B/L system

TBD(Typ.)

Operating Temperature

-20～70

Storage Temperature

-30～80

Pins Description

Pin No. 

Symbol

Description

1

NC

No Connection

2

VDD

Power supply for analog system

3

VDD

4

GND

Ground

5

RESX

This signal will reset the device and must be applied to

properly initialize the chip. Signal is active low..

6

SDA

Serial data input signal.

7 

NC

No Connection

8

SCL

Serial data clock signal.

9

CSX

Chip select input pin (“Low” enable).

10

DCLK

Pixel clock signal.

11

DE

Data enable signal.

12

VSYNC

Vertical sync.

13

HSYNC

Horizontal sync.

14

GND

Ground

15

DB0

 RGB data bus.

16

DB1

17

DB2

18

DB3

19

DB4

20

DB5

21

DB6

22

DB7

23

GND

GND Ground

24-31

DB8-DB15

RGB data bus.

32

GND

Ground

33-37

DB16-DB20

RGB data bus.

38

DB21

RGB data bus.

39-40

DB22-DB23

RGB data bus.

41

 GND

Ground