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MCP23009TESS Datenblatt(PDF) 5 Page - Microchip Technology

Teilenummer MCP23009TESS
Bauteilbeschribung  8-Bit I/O Expander with Open-Drain Outputs
PDF  50 Pages
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Hersteller  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP23009TESS Datenblatt(HTML) 5 Page - Microchip Technology

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© 2009 Microchip Technology Inc.
DS22121B-page 5
MCP23009/MCP23S09
TABLE 1-2:
SPI PINOUT DESCRIPTION (MCP23S09)
Pin
Name
18LD
PDIP/
SOIC
16LD
QFN
Pin
Type
Standard Function
VDD
1
3
P
Power (high current capable)
VSS
18
1
P
Ground (high current capable)
CS
34
I
Chip select
SCK
4
2
I
Serial clock input
SI
5
5
I
Serial data input
SO
6
6
O
Serial data out
RESET
7
7
I
Hardware reset (must be externally biased)
INT
8
8
O
Interrupt output for port. Can be configured as active high, active low, or open-drain.
GP0
9
9
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GP1
10
10
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GP2
11
11
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GP3
12
12
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GP4
13
13
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GP5
14
14
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GP6
15
15
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GP7
16
16
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
NC
2, 17
—
Not connected
EP
—
17
—
Exposed Thermal Pad (EP). Do not electrically connect, Can connect to VSS.



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