参数资料
型号: MCP9808T-E/MS
厂商: Microchip Technology
文件页数: 33/52页
文件大小: 1085K
描述: IC TEMP SENSOR DGTL I2C 8MSOP
标准包装: 2,500
功能: 温度监控系统(传感器)
传感器类型: 内部
感应温度: -40°C ~ 125°C
精确度: ±1°C
拓扑: ADC(三角积分型),寄存器库
输出类型: 2 线串行,I²C?/SMBUS?
输出警报:
输出风扇:
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 带卷 (TR)
?2011 Microchip Technology Inc.
DS25095A-page 33
MCP9808
5.3
Summary of Power-on Default
The MCP9808 has an internal Power-on Reset (POR)
circuit. If the power supply voltage, V
DD
, glitches below
the V
POR
 threshold, the device resets the registers to
the power-on default settings.
Table 5-3 shows the power-on default summary for the
Temperature Sensor registers.
TABLE 5-3:
POWER-ON RESET DEFAULTS
Registers
Default Register
Data (Hexadecimal)
Power-Up Default
Register Description
Address
(Hexadecimal)
Register Name
0x01
CONFIG
0x0000
Comparator Mode
Active-Low Output
Alert and Critical Output
Output Disabled
Alert Not Asserted
Interrupt Cleared
Alert Limits Unlocked
Critical Limit Unlocked
Continuous Conversion
0癈 Hysteresis
0x02
T
UPPER
0x0000
0癈
0x03
T
LOWER
0x0000
0癈
0x04
T
CRIT
0x0000
0癈
0x05
T
A
0x0000
0癈
0x06
Manufacturer ID
0x0054
0x0054 (hex)
0x07
Device ID/Device Revision
0x0400
0x0400 (hex)
0x08
Resolution
0x03
0x03 (hex)
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