128x64 黑白型 STN LCD 顯示器(含背光), 單色繪圖型LCD, 繪圖型液晶模組, ST7920

Item

Symbol

Min.

Max.

Unit

Storage Temperature

TST

-30

+80

°C

Operating Ambient Temperature

TOP

-20

+70

°C

Item

Symbol

Min.

Typ.

Max.

Unit

Power Supply Voltage

V_DD

4.5

5.0

5.5

V

Power Supply Current

I_DD

-

1.4

2.0

mA

Item

Symbol

Min.

Typ.

Max.

Unit

Condition

LED Forward Voltage

V_F

-

(3.2)

(3.4)

V

-

LED Forward Current

I_F

-

60

-

mA

-

LED Reverse Current

I_R

-

-

0.2

mA

V_R=5V

Color

White

Pin No.

Symbol

Description

1

VSS

Ground

2

VDD

Power Supply Voltage

3

V0

Contrast Adjustment voltage

4

RS

Register Select

5

R/W

H：Read / L：Writer

6

E

Enable Signal

7

DB0

Data Bit 0

8

DB1

Data Bit 1

9

DB2

Data Bit 2

10

DB3

Data Bit 3

11

DB4

Data Bit 4

12

DB5

Data Bit 5

13

DB6

Data Bit 6

14

DB7

Data Bit 7

15

A

LED Power (＋)

16

K

LED Power (－)

17

/RES

Reset Signal

18

NC

-

19

A

LED Power Supply (＋)

20

K

LED Power Supply (－)