參數資料
型號: MCP23016
廠商: Microchip Technology Inc.
英文描述: 16-Bit I2C I/O Expander(16位I/O口擴展芯片)
中文描述: 16位I2C I / O擴展(16位的I / O口擴展芯片)
文件頁數: 8/38頁
文件大?。?/td> 578K
代理商: MCP23016
MCP23016
DS20090B-page 8
2003 Microchip Technology Inc.
1.7.3
INPUT POLARITY REGISTERS
These registers allow the user to configure the polarity
of the input port data (GP0 and GP1). If a bit in this reg-
ister is set, the corresponding input port (GPn) data bit
polarity will be inverted.
IPOL0 (controls the polarity of GP0)
IPOL1 (controls the polarity of GP1)
REGISTER 1-5:
IPOL0 - INPUT POLARITY PORT REGISTER 0
R/W-0
R/W-0
IGP0.6
IGP0.5
IGP0.4
REGISTER 1-6:
IPOL1 - INPUT POLARITY PORT REGISTER 1
R/W-0
R/W-0
IGP1.6
IGP1.6
IGP1.4
R/W-0
IGP0.7
bit 7
R/W-0
R/W-0
IGP0.3
R/W-0
IGP0.2
R/W-0
IGP0.1
R/W-0
IGP0.0
bit 0
bit 7-0
IGP0.0:IGP0.7
:
Controls the polarity inversion for the input pins
1
= Corresponding GP0 bit is inverted
0
= Corresponding GP0 bit is not inverted
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
R/W-0
IGP1.7
bit 7
R/W-0
R/W-0
IGP1.3
R/W-0
IGP1.2
R/W-0
IGP1.1
R/W-0
IGP1.0
bit 0
bit 7-0
IGP1.0:IGP1.7
:
Controls the polarity inversion for the input pins
1
= Corresponding GP1 bit is inverted
0
= Corresponding GP1 bit is not inverted
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
參數描述
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MCP23016-I/SO 制造商:Microchip Technology Inc 功能描述:I/O Expander IC
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MCP23016-I/SP 制造商:Microchip Technology Inc 功能描述:I/O Expander IC