Графический LCD дисплей LCD12864 12864-5В ST7920 (Синий)

1

VSS

0V

общий

2

VDD

+5В

+питания

3

V0

-

регулировка контрастности

4

RS

H/L

RS=H:shows data  RS=L:controls instruction

5

R/W

H/L

R/W+H,E=H,data was read DB7-DB0

R/w=L,E=H=L:the data of DB7-DB0 was written to IR or DR

6

E

H/L

Enable pin

7-14

DB0-DB7

H/L

Data line

15

PSB

H/L

PSB=H,parallel mode,PSB=L,serial mode

16

NC

-

Empty pin

17

/RESET

H/L

Reset terminal,low level valid

18

Voult

-

Module drives voltage output terminal

19

A

+5В

+ питания подсветки

20

K

0В

 - питания подсветки

Pin number

definition

level

Function specification

1

VSS

0V

Power supply negative

2

VDD

+5В

Power supply positive

3

V0

-

Contrast control

4

CS

H/L

Chip selection terminal,high level valid

5

SID

H/L

Serial data input terminal

6

CLK

H/L

Serial synchronous clock

15

PSB

H/L

PSB=H,parallel mode,PSB=L,serial mode

17

/RESET

H/L

Reset terminal,low level valid

19

A

+5В

Backlight power supply positive

20

K

0В

Backlight power supply negative