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ML9090A-02GA 데이터 시트보기 (PDF) - Oki Electric Industry
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ML9090A-02GA
LCD Driver with Key Scanner and RAM
Oki Electric Industry
ML9090A-02GA Datasheet PDF : 41 Pages
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Semiconductor
FEDL9090A-01
ML9090A-01, -02
BLOCK DIAGRAM (1/2)
ML9090A-01
COM1 COM10 PB0 PB7 SEG1
SEG80
V
IN
V
C1
V
C2
V
S1
V
S2
DT
VOLTAGE
DOUBLER/
TRIPLER
10-OUT
COMMON
DRIVER
8-PORT
DRIVER
80-OUT SEGMENT DRIVER
SHIFT
REGISTER
DATA LATCH
LCD BIAS
V
2
VOLTAGE
V
3B
DIVIDING
V
3A
CIRCUIT
DISPLAY DATA RAM
80
×
10 BITS
CS
CP
DI/O
OSC1
OSC2
OSCILLATION
CIRCUIT
I/O
BUFFER
X ADDRESS DECODER
TIMING
GENERATOR
X ADDRESS COUNTER
X ADDRESS REGISTER
RESET
TEST
V
DD
V
SS
1 PORT
DRIVER
PA0
5
×
5 KEY SCANNER
C0 C1 C2 C3 C4
R0 R1 R2 R3 R4
KREQ
2/41
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