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.
VCC
VEE
M ODULE
V C C (+ V o lta g e )
Tr
R1
VR
R2
V E E (-V o lta g e )
4.3.Block Diagram
VSS
R1+R2+VR=10~ 20K Ω
T r= 2 S A 1 2 0 2 o r e q u iv a le n t
V S S (0V )
D0~D7
WR
RD
CE
C/D
RESET
FS
8
Control LSI
T6963C-0101
Row Driver
T6A40 × 1
or equivalent
5
3
64
LCDP
240 × 64 dots
240
3
Column Diver
T6A39 × 3
or equivalent
X-tal
13
8
2
2
64K S-RAM
INVERT
VCC
VSS
J
FG
VEE
CFL
CFL(GND)
Nega/Posi Reverse circuit
Bias Circuit
CFL Backlight
TO LSI
DMF-50316NFU-FW (AC) No.99-0115
OPTREX CORPORATION
OPTREX
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