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| 型號： | MCP23S08T-E/SS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8 I/O, PIA-GENERAL PURPOSE, PDSO20 |
| 封裝： | 0.209 INCH, PLASTIC, SSOP-20 |
| 文件頁數(shù)： | 6/44頁 |
| 文件大小： | 649K |
| 代理商： | MCP23S08T-E/SS |
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MCP23008/MCP23S08
DS21919E-page 14
2007 Microchip Technology Inc.
1.6.5
INTERRUPT CONTROL (INTCON)
REGISTER
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:
INTCON – INTERRUPT-ON-CHANGE CONTROL REGISTER (ADDR 0x04)
R/W-0
IOC7
IOC6
IOC5
IOC4
IOC3
IOC2
IOC1
IOC0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-0
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.
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| MCP23008-E/P | 8 I/O, PIA-GENERAL PURPOSE, PDIP18 |
| MCP23008T-E/SS | 8 I/O, PIA-GENERAL PURPOSE, PDSO20 |
| MCP23008-E/SS | 8 I/O, PIA-GENERAL PURPOSE, PDSO20 |
| MCP23S08T-E/SO | 8 I/O, PIA-GENERAL PURPOSE, PDSO18 |
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