参数资料
型号: MCP9800A0T-M/OT
厂商: Microchip Technology
文件页数: 22/42页
文件大小: 0K
描述: IC SENSOR THERMAL 2.7V SOT23-5
特色产品: MCP9800 2-Wire High-Accuracy Temperature Sensor
标准包装: 1
功能: 温度监控系统(传感器)
传感器类型: 内部
感应温度: -55°C ~ 125°C
精确度: ±2°C(最小值)
拓扑: ADC(三角积分型),寄存器库
输出类型: I²C?/SMBus?
输出警报:
输出风扇:
电源电压: 2.7 V ~ 5.5 V
工作温度: -55°C ~ 125°C
安装类型: 表面贴装
封装/外壳: SC-74A,SOT-753
供应商设备封装: SOT-23-5
包装: 标准包装
产品目录页面: 683 (CN2011-ZH PDF)
配用: MCP9800DM-TS1-ND - DEMO BOARD TEMP SENSOR MCP9800
其它名称: MCP9800A0T-M/OTDKR
MCP9800/1/2/3
5.3.4
TEMPERATURE LIMIT-SET
REGISTER (T SET )
The MCP9800/1/2/3 has a 16-bit read/write
Temperature Limit-Set register (T SET ) which contains a
9-bit data in two’s compliment format. This data
represents a maximum temperature limit. If the ambient
temperature exceeds this specified limit, the
MCP9800/1/2/3 asserts an alert output. (Refer to
This register uses the nine Most Significant bits (MSbs)
and all other bits are “don’t cares”.
The power-up default value of the T SET register is
80°C, or <0101 0000 0>b in binary.
REGISTER 5-5:
Upper Half:
TEMPERATURE LIMIT-SET REGISTER (T SET ) – ADDRESS < 0000 0011 >b
R/W-0
Sign
R/W-1
2 6 °C
R/W-0
2 5 °C
R/W-1
2 4 °C
R/W-0
2 3 °C
R/W-0
2 2 °C
R/W-0
2 1 °C
R/W-0
2 0 °C
bit 15
Lower Half:
bit 8
R/W-0
R-0
R-0
R-0
R-0
R-0
R-0
R-0
2
-1 °C
0
0
0
0
0
0
0
bit 7
Legend:
bit 0
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
DS21909D-page 22
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
? 2010 Microchip Technology Inc.
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