參數(shù)資料
型號： MCP23S17-E/ML
元件分類： 微控制器/微處理器
英文描述： 16 I/O, PIA-GENERAL PURPOSE, PQCC28
封裝： 6 X 6 MM, PLASTIC, QFN-28
文件頁數(shù)： 7/48頁
文件大?。?/td> 915K
代理商： MCP23S17-E/ML
2007 Microchip Technology Inc.
DS21952B-page 15
MCP23017/MCP23S17
1.6.4
DEFAULT COMPARE REGISTER
FOR INTERRUPT-ON-CHANGE
The default comparison value is configured in the
DEFVAL register. If enabled (via GPINTEN and
INTCON) to compare against the DEFVAL register, an
opposite value on the associated pin will cause an
interrupt to occur.
REGISTER 1-4:
DEFVAL – DEFAULT VALUE REGISTER (ADDR 0x03)
R/W-0
DEF7
DEF6
DEF5
DEF4
DEF3
DEF2
DEF1
DEF0
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
DEF7:DEF0: These bits set the compare value for pins configured for interrupt-on-change from
defaults <7:0>. Refer to INTCON.
If the associated pin level is the opposite from the register bit, an interrupt occurs.
Refer to INTCON and GPINTEN.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCP23S17T-E/ML 功能描述:接口-I/O擴展器 16bit Input/Output Exp SPI interface RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
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MCP23S17T-E/SP 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:16-Bit I/O Expander with Serial Interface
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