PCF85176 datasheet(2/43 Pages) NXP

2 / 43 page

PCF85176_1

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Product data sheet

Rev. 01 — 14 April 2010

2 of 43

NXP Semiconductors

PCF85176

Universal LCD driver for low multiplex rates

Ordering information

Marking

Block diagram

Table 1.

Ordering information

Type number

Package

Name

Description

Version

PCF85176H

TQFP64

plastic thin quad flat package, 64 leads;

body 10

× 10 × 1.0 mm

SOT357-1

PCF85176T

TSSOP56 plastic thin shrink small outline package, 56 leads;

body width 6.1 mm

SOT364-1

Table 2.

Marking codes

Type number

Marking code

PCF85176H

PCF85176T

Fig 1.

Block diagram of PCF85176

013aaa068

LCD BIAS

GENERATOR

LCD

VOLTAGE

SELECTOR

PCF85176

BACKPLANE

OUTPUTS

DISPLAY

CONTROLLER

COMMAND

DECODER

WRITE DATA

CONTROL

DISPLAY RAM

OUTPUT BANK SELECT

AND BLINK CONTROL

DISPLAY

DISPLAY SEGMENT

OUTPUTS

DATA POINTER AND

AUTO INCREMENT

SUBADDRESS

COUNTER

CLOCK SELECT

AND TIMING

OSCILLATOR

INPUT

FILTERS

BLINKER

TIMEBASE

POWER-ON

RESET

I2C-BUS

CONTROLLER

BP0

BP2

BP1

BP3

SA0

SDA

SCL

VDD

OSC

SYNC

CLK

VSS

VLCD

S0 to S39

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