pca9501 NXP Semiconductors, pca9501 Datasheet - Page 14

• Manufacturer Part Number: pca9501
• Description: 8-bit I2c And Smbus I/o Port With Interrupt, 2-kbit Eeprom And 6 Address Pins
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TYPICAL APPLICATION
2004 Sep 30
8-bit I
2-kbit EEPROM and 6 address pins
V
DD
NOTE: GPIO device address configured as 0110000 for this example
2
CONTROLLER
EEPROM device address configured as 1110000 for this example
I/0
I/0
I/0
C and SMBus I/O port with interrupt,
0
1
06
MASTER
, I/0
, I/0
, I/0
2
4
, I/0
, I/0
7
, are not used and have to be configured as outputs
3
5
, configured as outputs
, configured as inputs
GND
V
DD
SDA
SCL
INT
10 k
10 k
Figure 21. Typical application
10 k
10 k
14
(optional)
A5
A4
A3
A2
A1
A0
SDA
INT
SCL
PCA9501
V
DD
V
SS
I/0
I/0
I/0
I/0
I/0
I/0
I/0
I/0
0
1
2
3
4
5
6
7
2 k
ENABLE
A
B
(e.g. temp sensor)
RESET
ALARM
INT
SUBSYSTEM 1
SUBSYSTEM 3
SUBSYSTEM 2
PCA9501
(e.g. counter)
(e.g. alarm
Product data sheet
system)
SW01078
Controlled Switch
(e.g. CBT device)
V
DD