MCP23016-I/SP Microchip Technology Inc., MCP23016-I/SP Datasheet - Page 10
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MCP23016-I/SP
Manufacturer Part Number
MCP23016-I/SP
Description
16-BIT INPUT/OUTPUT PORT EXPANDER
Manufacturer
Microchip Technology Inc.
Type
Programmable Peripheral Interfacer
Datasheet
1.MCP23016-ISP.pdf
(38 pages)
Specifications of MCP23016-I/SP
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCP23016-I/SP
Manufacturer:
AirBORN
Quantity:
214
MCP23016
1.7.5
Two registers contain the value of the port that
generated the interrupt:
• INTCAP0 contains the value of GP0 at time of
• INTCAP1 contains the value of GP1 at time of
These registers are ‘read-only’ registers (A write to
these registers is ignored).
REGISTER 1-9:
REGISTER 1-10:
DS20090B-page 10
bit 7-0
bit 7-0
GP0 change interrupt
GP1 change interrupt
INTERRUPT CAPTURE REGISTERS
ICP0.0:ICP0.7:
change
1 = Logic ‘1’
0 = Logic ‘0’
ICP1.0:ICP1.7:
change
1 = Logic ‘1’
0 = Logic ‘0’
Legend:
R = Readable bit
- n = Value at POR
Legend:
R = Readable bit
- n = Value at POR
ICP0.7
ICP1.7
bit 7
bit 7
R-x
R-x
INTCAP0 - INTERRUPT CAPTURED VALUE FOR PORT REGISTER 0
INTCAP1 - INTERRUPT CAPTURED VALUE FOR PORT REGISTER 1
ICP0.6
ICP1.6
R-x
R-x
Reflects the logic level on the GP0 pins at the time of interrupt due to pin
Reflects the logic level on the GP1 pins at the time of interrupt due to pin
ICP0.5
ICP1.5
R-x
R-x
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
ICP0.4
ICP1.4
R-x
R-x
ICP0.3
ICP1.3
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R-x
R-x
ICP0.2
ICP1.2
R-x
R-x
x = Bit is unknown
x = Bit is unknown
ICP0.1
ICP1.1
R-x
R-x
2003 Microchip Technology Inc.
ICP0.0
ICP1.0
bit 0
bit 0
R-x
R-x