參數(shù)資料
型號(hào): Pentium II 333
廠(chǎng)商: Intel Corp.
英文描述: Processor with On-Die Cache Low-Power Module(帶片上緩存低能量模塊的處理器)
中文描述: 而對(duì)整個(gè)處理器模高速緩存低功率模塊(帶片上緩存低能量模塊的處理器)
文件頁(yè)數(shù): 41/50頁(yè)
文件大?。?/td> 1123K
代理商: PENTIUM II 333
Pentium
II
Processor with On-Die Cache – Low-Power Module
Datasheet
41
4.8
Active Thermal Feedback
Table 25 identifies the address allocated for the SMBus thermal sensor used on the module.
4.9
Thermal Sensor Configuration Register
The configuration register of the thermal sensor controls the operating mode (Auto Convert vs.
Standby) of the device. Since the processor temperature varies dynamically during normal
operation, Auto Convert mode should be used exclusively to monitor processor temperature.
Table 26 shows the format of the configuration register. If the RUN/STOP bit is low, then the
thermal sensor enters auto-conversion mode. If the RUN/STOP bit is set high, then the thermal
sensor immediately stops converting and enters the Standby mode. The thermal sensor will still
perform temperature conversions in Standby mode when it receives a one-shot command.
However, the result of a one-shot command during Auto Convert mode is not guaranteed. Intel
does not recommend using the one-shot command to monitor temperature when the processor is
active, only Auto Convert mode should be used.
Table 25. Thermal Sensor SMBus Address Table
Function
Fixed Address AD Bits (6:4)
Selectable Address AD Bits (3:0)
Thermal Sensor
100
1110
Reserved
010
1010
Reserved
010
1011
NOTE:
The thermal sensor used is compliant with SMBus addressing. Please refer to the Pentium
II
processor Thermal Sensor Interface Specification
Table 26. Thermal Sensor Configuration Register
Bit
Name
Reset State
Function
7 MSB
MASK
0
Masks SMBALERT# when high.
6
RUN/STOP
0
Standby mode control bit. If low, the device enters auto-
convert mode. If high, the device immediately stops
converting, and enters standby mode where the one-shot
command can be performed.
5 – 0
RFU
0
Reserved for future use.
NOTE:
All RFU bits should be written as “0” and read as “don’t care” for programming purposes.
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