Datasheet

1999 Apr 07 5
Philips Semiconductors Product specification
Remote 16-bit I/O expander for I
2
C-bus
PCF8575
5 PINNING
SYMBOL PIN DESCRIPTION
INT 1 interrupt output (active LOW)
A1 2 address input 1
A2 3 address input 2
P00 4 quasi-bidirectional I/O 00
P01 5 quasi-bidirectional I/O 01
P02 6 quasi-bidirectional I/O 02
P03 7 quasi-bidirectional I/O 03
P04 8 quasi-bidirectional I/O 04
P05 9 quasi-bidirectional I/O 05
P06 10 quasi-bidirectional I/O 06
P07 11 quasi-bidirectional I/O 07
V
SS
12 supply ground
P10 13 quasi-bidirectional I/O 10
P11 14 quasi-bidirectional I/O 11
P12 15 quasi-bidirectional I/O 12
P13 16 quasi-bidirectional I/O 13
P14 17 quasi-bidirectional I/O 14
P15 18 quasi-bidirectional I/O 15
P16 19 quasi-bidirectional I/O 16
P17 20 quasi-bidirectional I/O 17
A0 21 address input 0
SCL 22 serial clock line input
SDA 23 serial data line input/output
V
DD
24 supply voltage
Fig.2 Pin configuration.
handbook, halfpage
PCF8575
MGL538
1
2
3
4
5
6
7
8
9
10
11
12
INT
A1
A2
P00
P01
P02
P03
P04
P05
P06
P07
V
SS
V
DD
SDA
SCL
A0
P17
P16
P15
P14
P13
P12
P11
P10
24
23
22
21
20
19
18
17
16
15
14
13