參數(shù)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(shù)： 11/38頁
文件大小： 578K
代理商： MCP23016
2003 Microchip Technology Inc.
DS20090B-page 11
MCP23016
1.7.6
I/O EXPANDER CONTROL
REGISTER
IOCON0 controls the functionality of the
MCP23016.
The IARES (Interrupt Activity Resolution) bit controls
the sampling frequency of the GP port pins. The higher
the sampling frequency, the higher the device current
requirements. If this bit is ‘
0
’ (default), the maximum
time to detect the activity on the port is 32 ms (max.),
which results in lower standby current. If this bit is ‘
1
’,
the maximum time to detect activity on the port is
200 μsec. (max.) and results in higher standby current.
REGISTER 1-11:
IOCON0 - I/0 EXPANDER CONTROL REGISTER
U-0
U-0
—
—
U-0
—
bit 7
U-0
—
U-0
—
U-0
—
U-0
—
R/W-0
IARES
bit 0
bit 1-7
Unimplemented bit:
Read as ‘0’
bit 0
IARES
:
Interrupt Activity Resolution
1 = Fast sample rate
0 = Normal sample rate
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
IOCON1
is a shadow register for IOCON0. Access to IOCON1 results in access to IOCON0.
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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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