PCF8534AUSLASHDASLASH1 datasheet(2/44 Pages) NXP

номер детали	PCF8534AU/DA/1

подробное описание детали	Universal LCD driver for low multiplex rates

PDF	44 Pages

Scroll/Zoom	100%

производитель	NXP [NXP Semiconductors]

домашняя страница	http://www.nxp.com

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2 / 44 page

PCF8534A_3

Product data sheet

Rev. 03 — 10 November 2008

2 of 44

NXP Semiconductors

PCF8534A

Universal LCD driver for low multiplex rates

Ordering information

Marking

Block diagram

Table 1.

Ordering information

Type number

Package

Name

Description

Delivery form

Version

PCF8534AH/1

LQFP80

plastic low proﬁle quad ﬂat package;

80 leads; body 12

× 12 × 1.4 mm

tape and reel

SOT315-1

PCF8534AU/DA/1

PCF8534AU

wire bond die; 76 bonding pads;

2.91

× 2.62 × 0.38 mm

chip in tray

PCF8534AU

Table 2.

Marking codes

Type number

Marking code

PCF8534AH/1

PCF8534AH

PCF8534AU/DA/1

PC8534A-1

Fig 1.

Block diagram of PCF8534A

001aah614

LCD

VOLTAGE

SELECTOR

CLOCK SELECT

AND TIMING

BLINKER

TIMEBASE

OSCILLATOR

INPUT

FILTERS

I2C-BUS

CONTROLLER

POWER-ON

RESET

CLK

SYNC

OSC

SCL

SDA

BACKPLANE

OUTPUTS

DISPLAY

CONTROL

BP0 BP1 BP2 BP3

DISPLAY SEGMENT OUTPUTS

DISPLAY REGISTER

OUTPUT BANK SELECT

AND BLINK CONTROL

S0 to S59

SA0

VDD

PCF8534A

LCD BIAS

GENERATOR

VSS

VLCD

COMMAND

DECODE

WRITE DATA

CONTROL

DISPLAY

RAM

DATA POINTER AND

AUTO INCREMENT

SUBADDRESS

COUNTER

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