MCP23S09T-E/SO Microchip Technology, MCP23S09T-E/SO Datasheet - Page 16
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MCP23S09T-E/SO
Manufacturer Part Number
MCP23S09T-E/SO
Description
8-bit Input/Output Expander, SPI Interface 18 SOIC .300in T/R
Manufacturer
Microchip Technology
Datasheet
1.MCP23S09-ESO.pdf
(50 pages)
Specifications of MCP23S09T-E/SO
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
18-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCP23S09T-E/SO
Manufacturer:
MICROCHIP
Quantity:
12 000
MCP23009/MCP23S09
1.6.1
Controls the direction of the data I/O.
When a bit is set, the corresponding pin becomes an
input. When a bit is clear, the corresponding pin
becomes an output.
REGISTER 1-1:
DS22121B-page 16
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
R/W-1
IO7
I/O DIRECTION REGISTER
IO7:IO0: Controls the direction of data I/O <7:0>
1 = Pin is configured as an input
0 = Pin is configured as an output
R/W-1
IO6
IODIR – I/O DIRECTION REGISTER
W = Writable bit
‘1’ = Bit is set
R/W-1
IO5
R/W-1
IO4
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-1
IO3
R/W-1
IO2
© 2009 Microchip Technology Inc.
x = Bit is unknown
R/W-1
IO1
R/W-1
IO0
bit 0