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MSC1205

32-Bit Duplex Controller/Driver with Digital Dimming Function

Oki Electric Industry 

¡ Semiconductor

MSC1205

BLOCK DIAGRAM

GRID1

GRID2

VDD

VSS

BLANK

OSC

LOAD

SEG32 SEG31

SEG2 SEG1

VOLTAGE

REGU-

LATOR

5V

DOWN COUNTER

10 bits COMPA-

R bo

(fosc)

RATOR (bo)

DRIVER

32 bits

LEVEL SHIFTER

8 to 18V

TIMING

GENE-

RATOR

32 bits

5V

BL

MULTIPLEXER

ST

10 bits

LATCH

OSC

L

(SEGLD)

(DIMLD)

L

LOAD TIMING

CONTROL

(POR)

LATCH

Q1-Q10

Q1-Q64

32 bits 32 bits

L

LATCH

64 bits

DATA

CLOCK

D

(2 bits)

D Q1-Q64

(64 bits)

SHIFT REGISTER

TEST

2/15

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