參數(shù)資料
型號: MCP23017T-E/ML
廠商: Microchip Technology
文件頁數(shù): 8/48頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 16B 28QFN
標準包裝: 1,600
接口: I²C
輸入/輸出數(shù): 16
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: 28-VQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 28-QFN(6x6)
包裝: 帶卷 (TR)
配用: MCP23X17EV-ND - BOARD EVAL FOR MCP23X17
GPIODM-KPLCD-ND - BOARD DEMO LCD GPIO EXP KEYPAD
MCP23017/MCP23S17
DS21952B-page 16
2007 Microchip Technology Inc.
1.6.5
INTERRUPT CONTROL 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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