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
MODULE
V C C (+V oltage)
Tr
R1
VR
R2
V E E (-Voltage)
4.3.Block Diagram
VSS
R1+R2+VR=10~ 20K Ω
Tr=2SA 1202 or equivalent
VSS (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 Driver
T6A39 × 3
or equivalent
X-tal
13
8
2
2
INVERT
VCC
FG
VSS
VEE
CFL
CFL(GND)
64K S-RAM
J
Bias Circuit
CFL Backlight
Nega/Posi Reverse circuit
TO LSI
DMF-50316NB-FW-5 (AG) No.99-0114
OPTREX CORPORATION
OPTREX
Page 10/17