LCD Module 128x64 (Graphical LCD)

Product Description:

Suitable for copiers, fax machines, laser printers, industrial test equipment,

networking equipment, etc.

Type: HJ12864ZW

Controller: ST7920

Display color: Blue

Character color: White

Other features: 5V logic power supply, parallel communication, high reliability, wide temperature range

Support parallel / serial communication

Parallel mode interface definition:

Pin number

definition

level

Function specification

1

VSS

0V

Power supply negative

2

VDD

+5V

Power supply positive

3

V0

–

Contrast control

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

+5V

Backlight power supply positive

20

K

0V

Backlight power supply negative

Serial module interface definition:

Pin number

definition

level

Function specification

1

VSS

0V

Power supply negative

2

VDD

+5V

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

+5V

Backlight power supply positive

20

K

0V

Backlight power supply negative

Datasheet

How to use