PCF8576DU/2DA/2 Просмотр технического описания (PDF) - Philips Electronics

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производитель

PCF8576DU/2DA/2

Universal LCD driver for low multiplex rates

Philips Electronics 

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VLCD 21

BP0 BP2 BP1 BP3

25 26 27 28

BACKPLANE

OUTPUTS

S0 to S39

29 to 32, 34 to 47,

49 to 64, 2 to 7

DISPLAY SEGMENT OUTPUTS

LCD

VOLTAGE

SELECTOR

VSS 20

LCD BIAS

GENERATOR

CLK

SYNC

13

CLOCK SELECT

12 AND TIMING

BLINKER

TIMEBASE

OSC

VDD

SCL

SDA

15

OSCILLATOR

14

11

INPUT

10

FILTERS

POWER-ON

RESET

I2C-BUS

CONTROLLER

19

SA0

DISPLAY

CONTROLLER

DISPLAY REGISTER

OUTPUT BANK SELECT

AND BLINK CONTROL

PCF8576DH

DISPLAY

RAM

40 × 4 BIT

COMMAND

DECODER

WRITE DATA

CONTROL

1, 8, 9, 22 to 24, 33, 48

n.c.

DATA POINTER AND

AUTO INCREMENT

SUB-ADDRESS

COUNTER

16 17 18

MDB075

A0 A1 A2

Fig.1 Block diagram for version PCF8576DH.

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