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PCF8575CDGVR 数据表(PDF) 4 Page - Texas Instruments

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部件名 PCF8575CDGVR
功能描述  REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT
PDF  26 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

PCF8575CDGVR 数据表(HTML) 4 Page - Texas Instruments

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22
I/O
Port
P17−P10
Shift
Register
16 Bits
LP Filter
Interrupt
Logic
Input
Filter
23
Power-On
Reset
Read Pulse
Write Pulse
PCF8575C
3
2
21
1
24
12
GND
VCC
SDA
SCL
A2
A1
A0
INT
I2C Bus
Control
P07−P00
To Interrupt
Logic
P07−P00
VCC
GND
CI
S
D
Q
FF
CI
S
D
Q
FF
Write Pulse
Data From
Shift Register
Power-On
Reset
Read Pulse
Data To
Shift Register
P17−P10
IOL
IOHT
PCF8575C
REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER
WITH INTERRUPT OUTPUT
SCPS123C – MARCH 2005 – REVISED JULY 2006
LOGIC DIAGRAM (POSITIVE LOGIC)
SIMPLIFIED SCHEMATIC DIAGRAM OF EACH P-PORT INPUT/OUTPUT
4
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