PCF8566T 参数 Datasheet PDF下载

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1998 May 04

13

VDD

5

R

14

15

R

LCD

VOLTAGE

SELECTOR

R

VLCD

12

LCD BIAS

GENERATOR

CLK

SYNC

4

3

TIMING

BLINKER

DISPLAY

CONTROLLER

OSC

6

OSCILLATOR

POWER-

ON

RESET

COMMAND

DECODER

INPUT

FILTERS

I

2

C-BUS

CONTROLLER

10

SA0

4

Philips Semiconductors

Universal LCD driver for low multiplex

rates

BLOCK DIAGRAM

BP0 BP2 BP1 BP3

16

S0 to S23

17 to 40

DISPLAY SEGMENT OUTPUTS

BACKPLANE

OUTPUTS

DISPLAY LATCH

SHIFT REGISTER

PCF8566

INPUT

BANK

SELECTOR

DISPLAY

RAM

24

×

4 BITS

OUTPUT

BANK

SELECTOR

4

VSS

SCL

SDA

DATA

POINTER

11

2

1

SUB-

ADDRESS

COUNTER

7

A0

8

A1

9

Product specification

A2

MGG383

PCF8566

Fig.1 Block diagram.