参数资料
型号: MCP23S17T-E/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: 5.30 MM, PLASTIC, SSOP-28
文件页数: 5/48页
文件大小: 915K
代理商: MCP23S17T-E/SS
2007 Microchip Technology Inc.
DS21952B-page 13
MCP23017/MCP23S17
1.6.2
INPUT POLARITY REGISTER
This register allows the user to configure the polarity on
the corresponding GPIO port bits.
If a bit is set, the corresponding GPIO register bit will
reflect the inverted value on the pin.
REGISTER 1-2:
IPOL – INPUT POLARITY PORT REGISTER (ADDR 0x01)
R/W-0
IP7
IP6
IP5
IP4
IP3
IP2
IP1
IP0
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
IP7:IP0: These bits control the polarity inversion of the input pins <7:0>
1 = GPIO register bit will reflect the opposite logic state of the input pin.
0 = GPIO register bit will reflect the same logic state of the input pin.
相关PDF资料
PDF描述
MCP23017T-E/SO 16 I/O, PIA-GENERAL PURPOSE, PDSO28
MCP23017-E/ML 16 I/O, PIA-GENERAL PURPOSE, PQCC28
MCP23S17-E/ML 16 I/O, PIA-GENERAL PURPOSE, PQCC28
MCP23S18-E/SO PIA-GENERAL PURPOSE, PDSO28
MCP23S18T-E/SP PIA-GENERAL PURPOSE, PDIP28
相关代理商/技术参数
参数描述
MCP23S18 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:16-Bit I/O Expander with Open-Drain Outputs
MCP23S18-E/MJ 功能描述:接口-I/O扩展器 16B I/O Expander SPI interface RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel
MCP23S18-E/MJ 制造商:Microchip Technology Inc 功能描述:; Bus Frequency:10MHz; IC Interface Type
MCP23S18-E/SO 功能描述:接口-I/O扩展器 16B I/O Expander SPI interface RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel
MCP23S18-E/SP 功能描述:接口-I/O扩展器 16B I/O Expander SPI interface RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel