JHB2002A Datasheet, PDF (7/23 Pages) Jewel Hill Electronic – The JHB2002A is a 20C x 2L Character LCD module. It has a STN panel composed of 100 segments and 16 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
VSS Power supply for Ground (0V)
2
VDD Power supply for positive (+5V)
3
VO VLCD voltage regulation terminal
4
RS Data/Command register selection; “H”: Data; “L”: Command
5
R/W Read/write selection signal, ”H”: Read; ”L”: Write
6
E
Read/write Enable signal input pin
7
DB0
8
DB1
9
DB2
10
DB3
8-bit bi-directional data bus
11
DB4
12
DB5
13
DB6
14
DB7
15
LED+ Power supply voltage for backlight positive
16
LED- Power supply voltage for backlight negative
JHB2002A
VER: 4.0
-6-
Issue date: 2009/12/02