PCA85133(2009) Просмотр технического описания (PDF) - NXP Semiconductors.

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производитель

PCA85133
(Rev.:2009)

Universal LCD driver for low multiplex rates

NXP Semiconductors. 

NXP Semiconductors

5. Block diagram

PCA85133

Universal LCD driver for low multiplex rates

VLCD

BP0 BP1 BP2 BP3

BACKPLANE

OUTPUTS

S0 to S79

80

DISPLAY SEGMENT OUTPUTS

LCD

VOLTAGE

SELECTOR

LCD BIAS

GENERATOR

VSS

CLK

SYNC

CLOCK SELECT

AND TIMING

OSC

FF

OSCILLATOR

SCL

SDA

INPUT

FILTERS

BLINKER

TIMEBASE

POWER-ON

RESET

I2C-BUS

CONTROLLER

DISPLAY

CONTROL

PCA85133

COMMAND

DECODE

DISPLAY REGISTER

OUTPUT BANK SELECT

AND BLINK CONTROL

DISPLAY

RAM

WRITE DATA

CONTROL

DATA POINTER AND

AUTO INCREMENT

SUBADDRESS

COUNTER

SA0

SDAACK

VDD

Fig 1. Block diagram of PCA85133

A0 A1 A2

013aaa044

PCA85133_1

Product data sheet

Rev. 1 — 23 October 2009

© NXP B.V. 2009. All rights reserved.

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