OM4068 データシートの表示（PDF） - Philips Electronics

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OM4068

LCD driver for low multiplex rates

Philips Electronics 

Philips Semiconductors

LCD driver for low multiplex rates

BLOCK DIAGRAM

Product specification

OM4068

handbook, full pagewidth

M0

M1

VLCD

BP1 BP2 BP3

SEG1 to SEG32(1)

BACKPLANE OUTPUTS

4

4

LCD VOLTAGE

SELECTOR

(CONTROL LOGIC)

4

BIAS

VOLTAGE

GENERATOR

POWER-ON

RESET

32

DISPLAY SEGMENT OUTPUTS

DISPLAY LATCH

SHIFT REGISTER

OM4068

TIMING

GENERATOR

OSCILLATOR

SCE

SCLK

SDIN

SDOUT

VSS VDD

MBK817

(1) SEG1, SEG6, SEG15 and SEG25 are not available in DIP40 package.

Fig.1 Block diagram.

1998 Jun 18

3

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