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PCA9536 查看數據表(PDF) - Philips Electronics
零件编号
产品描述 (功能)
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PCA9536
4-bit I²C and SMBus I/O port
Philips Electronics
PCA9536 Datasheet PDF : 16 Pages
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Philips Semiconductors
4-bit I
2
C and SMBus I/O port
Objective data sheet
PCA9536
PIN CONFIGURATION
I/O0 1
I/O1 2
I/O2
3
GND
4
8
V
DD
7 SDA
6
SCL
5
I/O3
SW02190
Figure 1. Pin configuration
PIN DESCRIPTION
PIN
NUMBER
SYMBOL
1, 2, 3, 5
I/O0–3
4
V
SS
6
SCL
7
SDA
8
V
DD
FUNCTION
I/O0 to I/O3
Supply ground
Serial clock line
Serial data line
Supply voltage
BLOCK DIAGRAM
PCA9536
SCL
SDA
INPUT
FILTER
V
DD
V
SS
POWER-ON
RESET
I/O0
I/O1
I
2
C/SMBUS
4-BIT
INPUT/
OUTPUT
CONTROL
PORTS
I/O2
WRITE pulse
READ pulse
I/O3
NOTE: ALL I/Os ARE SET TO INPUTS AT RESET
SW02191
Figure 2. Block diagram
2004 Aug 20
3
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