MCP23S08/S Microchip Technology, MCP23S08/S Datasheet - Page 18
MCP23S08/S
Manufacturer Part Number
MCP23S08/S
Description
8-bit Input/Output Expander, SPI interface, 0C to +70C, Die-Waffle, WPAC
Manufacturer
Microchip Technology
Datasheet
1.MCP23S08S.pdf
(44 pages)
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MCP23008/MCP23S08
1.6.9
The INTCAP register captures the GPIO port value at
the time the interrupt occurred. The register is ‘read-
only’ and is updated only when an interrupt occurs. The
register will remain unchanged until the interrupt is
cleared via a read of INTCAP or GPIO.
REGISTER 1-9:
DS21919E-page 18
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
ICP7
R-x
INTERRUPT CAPTURE (INTCAP)
REGISTER
ICP7:ICP0: These bits reflect the logic level on the port pins at the time of interrupt due to pin change
<7:0>
1 = Logic-high.
0 = Logic-low.
ICP6
R-x
INTCAP – INTERRUPT CAPTURED VALUE FOR PORT REGISTER (ADDR 0x08)
W = Writable bit
‘1’ = Bit is set
ICP5
R-x
ICP4
R-x
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
ICP3
R-x
ICP2
R-x
© 2007 Microchip Technology Inc.
x = Bit is unknown
ICP1
R-x
ICP0
R-x
bit 0
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