MCP23S09T-E/MG Microchip Technology, MCP23S09T-E/MG Datasheet - Page 8

• Manufacturer Part Number: MCP23S09T-E/MG
• Description: 8-bit Input/Output Expander, SPI Interface 16 QFN 3x3x0.9mm T/R
• Manufacturer: Microchip Technology

Specifications of MCP23S09T-E/MG

• Interface: SPI
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 10MHz
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP23009/MCP23S09
FIGURE 1-1:
DS22121B-page 8
SR
w
S
P
R
ADDR
D
D
OP
OUT
IN
- Start
- Restart
- Stop
- Read
- Write
- Data out from MCP23009
- Data in to MCP23009
- Device opcode
- Device address
Sequential
Sequential
Byte
Byte
MCP23009 I
S
S
S
S
S
S
OP
OP
OP
OP
OP
OP
2
C™ DEVICE PROTOCOL
W
R
W
W
W
W
ADDR
Byte and Sequential Write
Byte and Sequential Read
ADDR
ADDR
ADDR
ADDR
SR
SR
SR
OP
SR
SR
P
SR
D
P
IN
D
OP
OP
OUT
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D
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OP
OP
IN
IN
OP
....
ADDR
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R
R
....
R
W
R
D
D
IN
D
D
ADDR
OUT
D
OUT
OUT
D
P
D
OUT
D
IN
OUT
IN
© 2009 Microchip Technology Inc.
....
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D
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