PCF8533 datasheet(3/45 Pages) NXP

3 / 45 page

PCF8533_4

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Product data sheet

Rev. 04 — 5 March 2010

3 of 45

NXP Semiconductors

PCF8533

Universal LCD driver for low multiplex rates

Pinning information

6.1 Pinning

6.2 Pin description

Viewed from active side. For mechanical details, see Figure 25.

Fig 2.

Pinning of PCF8533

mgl759

PCF8533

0, 0

Table 3.

Pin description overview

Symbol

Type

Description

SDAACK

output

I2C-bus acknowledge

SDA

2 and 3

input/output

I2C-bus serial data

SCL

4 and 5

input

I2C-bus serial clock

CLK

input/output

clock input/output

VDD

supply

supply voltage

SYNC

input/output

cascade synchronization

OSC

input

oscillator select

A0, A1 and A2

10 to 12

input

subaddress

SA0

input

I2C-bus slave address

VSS

supply

ground supply voltage

VLCD

supply

LCD supply voltage

BP0, BP1, BP2 and BP3 17, 99, 16 and

output

LCD backplane output

S0 to S79

18 to 97

output

LCD segment output

D1, D2, D3, D4, D5, D6,

D7, D8,

dummy pins

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