F-51477GNF-SLY-AA 查看數據表（PDF） - Optrex Corporation
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F-51477GNF-SLY-AA Datasheet PDF : 18 Pages
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4.2.Example of Power Supply
It is recommended to apply a potentiometer for the contrast adjust due to the
tolerance of the driving voltage and its temperature dependence.
V0
V1
V2
V3
Module
V4
V5
VHH (+Voltage)
Tr
R1
VR
R2
0V
VDD
VSS
R1+R2+VR=10~20KΩ
R=1KΩ∼10KΩ
VDD (Logic)
4.3.Block Diagram
FLM
DISPOFF
LP
M
CP
V0∼5
D0〜D3
Common Driver 240
LCDP
NT7704 × 1
or equivalent
320 × 240 dots
4
4
4
4
320
Segment Driver
NT7703 × 2
or equivalent
VDD
VSS
To LSI for Logic
LED ANODE
LED CATHODE
LED Backlight
F-51477GNF-SLY-AA (AA) No. 2002-0239
OPTREX CORPORATION
Page 10/18
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