MCP23S08/S Microchip Technology, MCP23S08/S Datasheet - Page 14
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)
- Current page: 14 of 44
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MCP23008/MCP23S08
1.6.5
The INTCON register controls how the associated pin
value is compared for the interrupt-on-change feature.
If a bit is set, the corresponding I/O pin is compared
against the associated bit in the DEFVAL register. If a
bit value is clear, the corresponding I/O pin is compared
against the previous value.
REGISTER 1-5:
DS21919E-page 14
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
R/W-0
IOC7
INTERRUPT CONTROL (INTCON)
REGISTER
IOC7:IOC0: These bits control how the associated pin value is compared for interrupt-on-change
<7:0>
1 = Controls how the associated pin value is compared for interrupt-on-change.
0 = Pin value is compared against the previous pin value.
Refer to INTCON and GPINTEN.
R/W-0
IOC6
INTCON – INTERRUPT-ON-CHANGE CONTROL REGISTER (ADDR 0x04)
W = Writable bit
‘1’ = Bit is set
R/W-0
IOC5
R/W-0
IOC4
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
IOC3
R/W-0
IOC2
© 2007 Microchip Technology Inc.
x = Bit is unknown
R/W-0
IOC1
R/W-0
IOC0
bit 0
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