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PCF8575 데이터시트(PDF) 4 Page - Texas Instruments

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부품명 PCF8575
상세설명  REMOTE 16-BIT I2C AND SMBus I/O EXPANDERWITH INTERRUPT OUTPUT
PDF  32 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

PCF8575 데이터시트(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
PCF8575
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
100
µA
P17−P10
IOH
IOL
IOHT
PCF8575
REMOTE 16-BIT I2C AND SMBus I/O EXPANDER
WITH INTERRUPT OUTPUT
SCPS121D – JANUARY 2005 – REVISED APRIL 2007
LOGIC DIAGRAM (POSITIVE LOGIC)
SIMPLIFIED SCHEMATIC DIAGRAM OF EACH P-PORT INPUT/OUTPUT
4
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