Philips Semiconductors
Product specification
Universal LCD driver for low multiplex
rates
PCF8576
5
PINNING
SYMBOL
PIN
DESCRIPTION
I2C-bus serial data input/output
SDA
1
SCL
SYNC
CLK
VDD
2
I2C-bus serial clock input
cascade synchronization input/output
external clock input/output
supply voltage
3
4
5
OSC
6
oscillator input
A0 to A2
7 to 9
10
I2C-bus subaddress inputs
I2C-bus slave address input; bit 0
logic ground
SA0
VSS
11
VLCD
12
LCD supply voltage
BP0, BP2, BP1 and BP3
S0 to S39
13 to 16
17 to 56
LCD backplane outputs
LCD segment outputs
1998 Feb 06
5