Philips Semiconductors
4-bit I2C and SMBus I/O port
Objective data sheet
PCA9536
TYPICAL APPLICATION
VDD
VDD
1.8 kΩ
1.8 kΩ
MASTER
CONTROLLER
SCL
SDA
GND
VDD
SCL
I/O0
SDA
I/O1
I/O2
I/O3
PCA9536
VSS
NOTE: Device address is 1000001
I/O0, I/O2, I/O3, configured as outputs
I/O1, configured as input
Figure 9. Typical application
2 kΩ
SUBSYSTEM 1
(e.g. temp sensor)
INT
RESET
SUBSYSTEM 2
(e.g. counter)
A
ENABLE
Controlled Switch
(e.g. CBT device)
B
SW02198
2004 Aug 20
8