JHB2004C Datasheet, PDF (7/28 Pages) Jewel Hill Electronic – The JHB2004C is a 20C x 4L Character LCD module. It has a STN panel composed of 200 segments and 16 commons. The LCM can be easily accessed by micro-controller via parallel and serise interface.

JEWEL HILL ELECTRONIC CO.,LTD.
7. MODULE FUNCTION DESCRIPTION
7.1. PIN DESCRIPTION
7.11 Parallel Interface
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Symbol
VSS
VDD
VO
RS
R/W
E
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
LED+
LED-
Description
Power supply for ground(0V)
Power supply for positive(+5V or +3V)
LCD driver voltage regulation
Data/command signed select input
Read/write signal input
Read/write enable signal input
8-bit bi-directional data bus
LED power supply voltage(positive)
LED power supply voltage(negative)
JHB2004C VER: 4.0
-6-
Issue date: 2009/12/02