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| 型號(hào)： | MCP23016 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 16-Bit I2C I/O Expander(16位I/O口擴(kuò)展芯片) |
| 中文描述： | 16位I2C I / O擴(kuò)展（16位的I / O口擴(kuò)展芯片） |
| 文件頁(yè)數(shù)： | 9/38頁(yè) |
| 文件大?。?/td> | 578K |
| 代理商： | MCP23016 |
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2003 Microchip Technology Inc.
DS20090B-page 9
MCP23016
1.7.4
I/O DIRECTION REGISTERS
Two registers control the direction of data I/O:
IODIR0 (controls GP0)
IODIR1 (controls GP1)
When a bit in these registers is set, the corresponding
pin becomes an input. Otherwise, it becomes an
output. At Power-on Reset, the device ports are
configured as inputs.
REGISTER 1-7:
IODIR0 - I/O DIRECTION REGISTER 0
R/W-1
R/W-1
IOD0.6
IOD0.5
REGISTER 1-8:
IODIR1 - I/O DIRECTION REGISTER 1
R/W-1
R/W-1
IOD1.6
IOD1.5
R/W-1
IOD0.7
bit 7
R/W-1
IOD0.4
R/W-1
IOD0.3
R/W-1
IOD0.2
R/W-1
IOD0.1
R/W-1
IOD0.0
bit 0
bit 7-0
IOD0.0:IO0.7:
Controls the direction of data I/O
1
= Input
0
= Output
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-1
IOD1.7
bit 7
R/W-1
IOD1.4
R/W-1
IOD1.3
R/W-1
IOD1.2
R/W-1
IOD1.1
R/W-1
IOD1.0
bit 0
bit 7-0
IOD1.0:IO1.7:
Controls the direction of data I/O
1
= Input
0
= Output
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 |
|---|---|
| MCP23016-I/ML | 功能描述:接口-I/O擴(kuò)展器 16 bit In/Out 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 |
| MCP23016-I/SO | 功能描述:接口-I/O擴(kuò)展器 16 bit In/Out 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 |
| MCP23016-I/SO | 制造商:Microchip Technology Inc 功能描述:I/O Expander IC |
| MCP23016-I/SP | 功能描述:接口-I/O擴(kuò)展器 16 bit In/Out 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 |
| MCP23016-I/SP | 制造商:Microchip Technology Inc 功能描述:I/O Expander IC |
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