PCA9535 Philips Semiconductors, PCA9535 Datasheet - Page 4
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PCA9535
Manufacturer Part Number
PCA9535
Description
16-bit I2C and SMBus/ low power I/O port with interrupt
Manufacturer
Philips Semiconductors
Datasheet
1.PCA9535.pdf
(19 pages)
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Philips Semiconductors
BLOCK DIAGRAM
2003 Jun 27
16-bit I
2
C and SMBus, low power I/O port with interrupt
SDA
SCL
V
V
SS
DD
A0
A1
A2
FILTER
INPUT
POWER-ON
RESET
Figure 3. Block diagram
I
CONTROL
2
C/SMBUS
4
NOTE: ALL I/Os ARE SET TO INPUTS AT RESET
WRITE pulse
WRITE pulse
READ pulse
READ pulse
8-BIT
8-BIT
OUTPUT
OUTPUT
PORTS
PORTS
INPUT/
INPUT/
LP FILTER
V
INT
I/O1.0
I/O1.1
I/O1.2
I/O1.3
I/O1.4
I/O1.5
I/O1.6
I/O1.7
I/O0.0
I/O0.1
I/O0.2
I/O0.3
I/O0.4
I/O0.5
I/O0.6
I/O0.7
SU01439
INT
PCA9535
Product data