MCP23S18T-E/MJ Microchip Technology, MCP23S18T-E/MJ Datasheet - Page 18
MCP23S18T-E/MJ
Manufacturer Part Number
MCP23S18T-E/MJ
Description
16-bit Input/Output Expander, I2C Interface, Pb-free 24 QFN 4x4mm T/R
Manufacturer
Microchip Technology
Datasheet
1.MCP23018-ESO.pdf
(56 pages)
Specifications of MCP23S18T-E/MJ
Interface
SPI
Number Of I /o
16
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
24-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCP23S18T-E/MJ
Manufacturer:
MICROCHIP
Quantity:
12 000
MCP23018/MCP23S18
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 1-3:
DS22103A-page 18
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
© 2008 Microchip Technology Inc.
x = Bit is unknown
R/W-1
IO1
R/W-1
IO0
bit 0