Pin No.

Symbol

Function

1

GND

Ground

2

RESET

This signal will reset the device and it must be applied to properly initialize the chip.

3

TDN0

Negative polarity of low voltage differential data signal

4

NC

No Connect

5

TDP0

Positive polarity of low voltage differential data signal.

6

NC

No Connect

7

GND

Ground

8

TE

Tearing effect output. If not used, leave this pin open

9

TCN

Negative polarity of low voltage differential clock signal

10

GND

Ground

11

TCP

Positive polarity of low voltage differential clock signal.

12-14

GND

Ground

15

IOVCC18

Power Supply for I/O system.(1.8V or VCC)

16

VCC28

Power Supply for Analog, Digital System and Booster Circuit

17-18

GND

Ground

19-22

NC

No Connect

23

LEDK

Backlight power supply negative

24

LEDA

Backlight power supply positive

Item

Contents

Unit

Note

LCD Type

IPS TFT

-

Display color

262K

Viewing Direction

Free viewing

O’Clock

Operating temperature

-20~+70

℃

Storage temperature

-30~+80

℃

Active Area(W×H)

39.84x39.84

mm

Number of Dots

400×400

dots

Controller

ST7797

-

Outline Dimensions

Refer to outline
drawing

-

Backlight

2-LEDs (white)

pcs

Weight

---

g

Interface

MIPI

-

Item

Symbol

Condition

Unit

Not
e

Brightness

Bp

θ=0°

F=0°

-

300

-

Cd/m²

1

Uniformity

⊿Bp

-

80

-

%

1,2

Viewing
Angle

3:00

Cr≥10

-

80

-

Deg

3

6:00

-

80

-

9:00

-

80

-

12:00

-

80

-

Contrast
Ratio

Cr

θ=0°

F=0°

650

800

-

4

Response
Time

Tr

-

30

35

ms

5

Tf

-

ms

Color of
CIE

Coordinate

W

x

θ=0°

F=0°

(0.281)

(0.301)

(0.321)

-

1,6

y

(0.31)

(0.33)-

(0.35)

-

R

x

TBD

TBD

TBD

-

y

TBD

TBD

TBD

-

G

x

TBD

TBD

TBD

-

y

TBD

TBD

TBD

-

B

x

TBD

TBD

TBD

-

y

TBD

TBD

TBD

-

NTSC
Ratio

S

50

55

-

%