參數(shù)資料
型號(hào): MCP23008-E/P
元件分類: 微控制器/微處理器
英文描述: 8 I/O, PIA-GENERAL PURPOSE, PDIP18
封裝: 0.300 INCH, PLASTIC, DIP-18
文件頁(yè)數(shù): 4/44頁(yè)
文件大小: 649K
代理商: MCP23008-E/P
MCP23008/MCP23S08
DS21919E-page 12
2007 Microchip Technology Inc.
1.6.3
INTERRUPT-ON-CHANGE
CONTROL (GPINTEN) REGISTER
The GPINTEN register controls the interrupt-on-
change feature for each pin.
If a bit is set, the corresponding pin is enabled for
interrupt-on-change. The DEFVAL and INTCON
registers must also be configured if any pins are
enabled for interrupt-on-change.
REGISTER 1-3:
GPINTEN – INTERRUPT-ON-CHANGE PINS (ADDR 0x02)
R/W-0
GPINT7
GPINT6
GPINT5
GPINT4
GPINT3
GPINT2
GPINT1
GPINT0
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
GPINT7:GPINT0: General purpose I/O interrupt-on-change bits <7:0>
1 = Enable GPIO input pin for interrupt-on-change event.
0 = Disable GPIO input pin for interrupt-on-change event.
Refer to INTCON and GPINTEN.
相關(guān)PDF資料
PDF描述
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
MCP23S08-E/SS 8 I/O, PIA-GENERAL PURPOSE, PDSO20
MCP23008-E/SO 8 I/O, PIA-GENERAL PURPOSE, PDSO18
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