参数资料
型号: MCP23016-I/SS
元件分类: 微控制器/微处理器
英文描述: 16 I/O, PIA-GENERAL PURPOSE, PDSO28
封装: 0.209 INCH, PLASTIC, SSOP-28
文件页数: 37/38页
文件大小: 543K
代理商: MCP23016-I/SS
MCP23016
DS20090C-page 8
2007 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
REGISTER 1-6:
IPOL1 - INPUT POLARITY PORT REGISTER 1
R/W-0
IGP0.7
IGP0.6
IGP0.5
IGP0.4
IGP0.3
IGP0.2
IGP0.1
IGP0.0
bit 7
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
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
R/W-0
IGP1.7
IGP1.6
IGP1.4
IGP1.3
IGP1.2
IGP1.1
IGP1.0
bit 7
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
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
相关PDF资料
PDF描述
MCP23016-I/SO 16 I/O, PIA-GENERAL PURPOSE, PDSO28
MCP23016-I/SP 16 I/O, PIA-GENERAL PURPOSE, PDIP28
MCP23S17T-E/SO 16 I/O, PIA-GENERAL PURPOSE, PDSO28
MCP23017-E/SP 16 I/O, PIA-GENERAL PURPOSE, PDIP28
MCP23S17-E/SS 16 I/O, PIA-GENERAL PURPOSE, PDSO28
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