PCF8576C datasheet(8/57 Pages) NXP

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PCF8576C

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Product data sheet

Rev. 10 — 22 July 2010

8 of 57

NXP Semiconductors

PCF8576C

Universal LCD driver for low multiplex rates

6.2 Pin description

[1]

The die paddle (exposed pad) is connected to VDD and should be electrically isolated.

[2]

The substrate (rear side of the die) is connected to VDD and should be electrically isolated.

Table 3.

Pin description

Symbol

Description

LQFP64

(PCF8576CHL)

VSO56

(PCF8576CT)

HTSSOP56

(PCF8576CTT)

PCF8576CU Type

SDA

input/output I2C-bus serial data input and

output

SCL

input

I2C-bus serial clock input

SYNC

input/output cascade synchronization input

and output

CLK

input/output external clock input/output

VDD

5[1]

5[2]

supply

supply voltage

OSC

input

internal oscillator enable input

A0 to A2

16 to 18

7to9

input

subaddress inputs

SA0

input

I2C-bus address input; bit 0

VSS

supply

ground supply voltage

VLCD

supply

LCD supply voltage

BP0, BP2,

BP1, BP3

25 to 28

13 to 16

output

LCD backplane outputs

S0 to S39

2 to 7, 29 to 32,

34 to 47, 49 to

17 to 56

output

LCD segment outputs

n.c.

1, 8, 9,

22 to 24, 33, 48

not connected; do not connect

and do not use as feed

through

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