MCP23017-E/SP Microchip Technology Inc., MCP23017-E/SP Datasheet - Page 13
![no-image](/images/manufacturer_photos/0/4/440/microchip_technology_inc__sml.jpg)
MCP23017-E/SP
Manufacturer Part Number
MCP23017-E/SP
Description
I/O Port Expander, 16-Bit, I2C I'face, SDIP-28
Manufacturer
Microchip Technology Inc.
Type
Programmable Peripheral Interfacer
Datasheet
1.MCP23017-ESP.pdf
(48 pages)
Specifications of MCP23017-E/SP
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCP23017-E/SP
Manufacturer:
MICROCHIP
Quantity:
1 001
1.6.2
This register allows the user to configure the polarity on
the corresponding GPIO port bits.
If a bit is set, the corresponding GPIO register bit will
reflect the inverted value on the pin.
REGISTER 1-2:
© 2007 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
R/W-0
IP7
INPUT POLARITY REGISTER
IP7:IP0: These bits control the polarity inversion of the input pins <7:0>
1 = GPIO register bit will reflect the opposite logic state of the input pin.
0 = GPIO register bit will reflect the same logic state of the input pin.
R/W-0
IP6
IPOL – INPUT POLARITY PORT REGISTER (ADDR 0x01)
W = Writable bit
‘1’ = Bit is set
R/W-0
IP5
R/W-0
IP4
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
MCP23017/MCP23S17
R/W-0
IP3
R/W-0
IP2
x = Bit is unknown
R/W-0
IP1
DS21952B-page 13
R/W-0
IP0
bit 0