參數(shù)資料
型號： MCP23S08
廠商： Microchip Technology Inc.
英文描述： 8-Bit I/O Expander with Serial Interface
中文描述： 8位的I / O串行接口擴(kuò)展
文件頁數(shù)： 11/40頁
文件大?。?/td> 498K
代理商： MCP23S08
2005 Microchip Technology Inc.
DS21919B-page 11
MCP23008/MCP23S08
1.6.4
DEFAULT COMPARE (DEFVAL)
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
R/W-0
R/W-0
DEF7
DEF6
DEF5
bit 7
R/W-0
DEF4
R/W-0
DEF3
R/W-0
DEF2
R/W-0
DEF1
R/W-0
DEF0
bit 0
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.
Legend:
R = Readable bit
- n = Value at POR
W = Writable bit
‘
1
’ = Bit is set
U = Unimplemented bit, read as ‘
0
’
‘
0
’ = Bit is cleared
x = Bit is unknown
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCP23S08-E/ML 功能描述:接口-I/O擴(kuò)展器 8bit 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
MCP23S08-E/P 功能描述:接口-I/O擴(kuò)展器 In/Out SPI int 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
MCP23S08-E/P 制造商:Microchip Technology Inc 功能描述:I/O Expander IC
MCP23S08-E/SO 功能描述:接口-I/O擴(kuò)展器 In/Out I2C int 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
MCP23S08-E/SO 制造商:Microchip Technology Inc 功能描述:I/O Expander IC
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