JHB12232A Datasheet, PDF (7/24 Pages) Jewel Hill Electronic – The JHB12232A is a 122 x 32 Dots Graphics LCD module. It has a STN panel composed of 122 segments and 32 commons. The LCM can be easily accessed by micro-controller via parallel interface.

JEWEL HILL ELECTRONIC CO.,LTD.
7. MODULE FUNCTION DESCRIPTION
7.1. PIN DESCRIPTION
Pin No. Symbol
Description
1
VDD Power supply for positive (5V)
2
VSS Power supply for Ground (0V)
3
VO LCD driver voltage regulation terminal
4
RES Reset signal input pin, Low level is active
5
E1
Read/write Enable signal input terminal
6
E2
7
R/W Read/write selection signal, R/W=”H”: Read; R/W=”L”: Write
8
A0 Data/command signal select, RS=”H”: Data; RS=”L”: Command
9
DB0
10
DB1
11
DB2
12
DB3
8-bit bi-directional data bus
13
DB4
14
DB5
15
DB6
16
DB7
17
BL+ Backlight power supply voltage for Positive
18
BL- Backlight power supply voltage for Negative
JHB12232A VER: 7.0
-6-
Issue date: 2009/12/03