参数资料
型号: MCP23008T-E/SO
元件分类: 微控制器/微处理器
英文描述: 8 I/O, PIA-GENERAL PURPOSE, PDSO18
封装: 0.300 INCH, PLASTIC, SOIC-18
文件页数: 10/44页
文件大小: 649K
代理商: MCP23008T-E/SO
MCP23008/MCP23S08
DS21919E-page 18
2007 Microchip Technology Inc.
1.6.9
INTERRUPT CAPTURE (INTCAP)
REGISTER
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:
INTCAP – INTERRUPT CAPTURED VALUE FOR PORT REGISTER (ADDR 0x08)
R-x
ICP7
ICP6
ICP5
ICP4
ICP3
ICP2
ICP1
ICP0
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
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.
相关PDF资料
PDF描述
MCP23008-E/ML 8 I/O, PIA-GENERAL PURPOSE, PQCC20
MCP23S08T-E/ML 8 I/O, PIA-GENERAL PURPOSE, PQCC20
MCP23S08T-E/SS 8 I/O, PIA-GENERAL PURPOSE, PDSO20
MCP23008-E/P 8 I/O, PIA-GENERAL PURPOSE, PDIP18
MCP23008T-E/SS 8 I/O, PIA-GENERAL PURPOSE, PDSO20
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