PCF8576CT Просмотр технического описания (PDF) - Philips Electronics

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PCF8576CT

Universal LCD driver for low multiplex rates

Philips Electronics 

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VDD

5

BP0 BP2 BP1 BP3

13 14 15 16

BACKPLANE

OUTPUTS

S0 to S39

40

17 to 56

DISPLAY SEGMENT OUTPUTS

LCD

VOLTAGE

SELECTOR

VLCD

CLK

SYNC

OSC

V SS

SCL

SDA

LCD BIAS

12

GENERATOR

4

3

TIMING

BLINKER

6

OSCILLATOR

11

2

INPUT

1

FILTERS

POWER-

ON

RESET

I2C - BUS

CONTROLLER

10

PCF8576C

DISPLAY

CONTROLLER

COMMAND

DECODER

SA0

DISPLAY LATCH

SHIFT REGISTER

INPUT

BANK

SELECTOR

DISPLAY

RAM

40 x 4 BITS

OUTPUT

BANK

SELECTOR

DATA

POINTER

SUB-

ADDRESS

COUNTER

78 9

A0 A1 A2

MLD332

Fig.1 Block diagram; VSO56.

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