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串行接口擴展
文件頁數(shù): 14/40頁
文件大?。?/td> 498K
代理商: MCP23S08
MCP23008/MCP23S08
DS21919B-page 14
2005 Microchip Technology Inc.
1.6.7
PULL-UP RESISTOR
CONFIGURATION (GPPU)
REGISTER
The GPPU register controls the pull-up resistors for the
port pins. If a bit is set and the corresponding pin is
configured as an input, the corresponding port pin is
internally pulled up with a 100 k
Ω
resistor.
REGISTER 1-7:
GPPU – GPIO PULL-UP RESISTOR REGISTER (ADDR 0x06)
R/W-0
R/W-0
R/W-0
PU7
PU6
PU5
bit 7
R/W-0
PU4
R/W-0
PU3
R/W-0
PU2
R/W-0
PU1
R/W-0
PU0
bit 0
bit 7-0
PU7:PU0:
These bits control the weak pull-up resistors on each pin (when configured as an
input) <7:0>.
1
= Pull-up enabled.
0
= Pull-up disabled.
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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相關代理商/技術參數(shù)
參數(shù)描述
MCP23S08-E/ML 功能描述:接口-I/O擴展器 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
MCP23S08-E/P 功能描述:接口-I/O擴展器 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
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MCP23S08-E/SO 制造商:Microchip Technology Inc 功能描述:I/O Expander IC