參數(shù)資料
型號: MCP23008T-E/SO
廠商: Microchip Technology
文件頁數(shù): 6/44頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 8B 18SOIC
標準包裝: 1,100
接口: I²C
輸入/輸出數(shù): 8
中斷輸出:
頻率 - 時鐘: 1.7MHz
電源電壓: 1.8 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 18-SOIC(0.295",7.50mm 寬)
供應商設備封裝: 18-SOIC
包裝: 帶卷 (TR)
包括: POR
配用: GPIODM-KPLCD-ND - BOARD DEMO LCD GPIO EXP KEYPAD
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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