參數(shù)資料
型號(hào): MCP23017-E/SP
元件分類: 微控制器/微處理器
英文描述: 16 I/O, PIA-GENERAL PURPOSE, PDIP28
封裝: 0.300 INCH, SKINNY, PLASITC, DIP-28
文件頁(yè)數(shù): 13/48頁(yè)
文件大?。?/td> 915K
代理商: MCP23017-E/SP
MCP23017/MCP23S17
DS21952B-page 20
2007 Microchip Technology Inc.
1.6.8
INTERRUPT FLAG REGISTER
The INTF register reflects the interrupt condition on the
port pins of any pin that is enabled for interrupts via the
GPINTEN register. A ‘set’ bit indicates that the
associated pin caused the interrupt.
This register is ‘read-only’. Writes to this register will be
ignored.
REGISTER 1-8:
INTF – INTERRUPT FLAG REGISTER (ADDR 0x07)
R-0
INT7
INT6
INT5
INT4
INT3
INT2
INT1
INT0
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
INT7:INT0: These bits reflect the interrupt condition on the port. Will reflect the change only if interrupts
are enabled (GPINTEN) <7:0>.
1 = Pin caused interrupt.
0 = Interrupt not pending.
相關(guān)PDF資料
PDF描述
MCP23S17-E/SS 16 I/O, PIA-GENERAL PURPOSE, PDSO28
MCP23S17T-E/ML 16 I/O, PIA-GENERAL PURPOSE, PQCC28
MCP23017-E/SO 16 I/O, PIA-GENERAL PURPOSE, PDSO28
MCP23S17T-E/SS 16 I/O, PIA-GENERAL PURPOSE, PDSO28
MCP23017T-E/SO 16 I/O, PIA-GENERAL PURPOSE, PDSO28
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