JHB2004C Datasheet, PDF (14/28 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.
„Circuit Block Diagram
4
SEGMENT DRIVER
ST7921
DB0
S80
DB7
CONTROL
E
LSI
C16
RW
4
RS
ST7070
LCD PANEL
VO
C16
VCC
VSS
S76
SEGMENT DRIVER
ST7921
RES
RS
DB5(CS)
DB6(SCL)
DB7(SDA)
VO
VCC
VSS
LED+
LED-
LED BACKLIGHT
JHB2004C VER: 4.0
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Issue date: 2009/12/02