Intel Xeon 7130N LF80550KF0878M 데이터 시트
제품 코드
LF80550KF0878M
Features
86
Dual-Core Intel
®
Xeon
®
Processor 7000 Series Datasheet
7.4.6.5
Conversion Rate Register
The contents of the Conversion Rate Registers determine the nominal rate at which
analog-to-digital conversions happen when the SMBus thermal sensor is in auto-convert mode.
There are two Conversion Rate Registers: address 04h for reading the conversion rate value; and
address 0Ah for writing the value.
analog-to-digital conversions happen when the SMBus thermal sensor is in auto-convert mode.
There are two Conversion Rate Registers: address 04h for reading the conversion rate value; and
address 0Ah for writing the value.
shows the mapping between Conversion Rate
Register values and the conversion rate. As indicated in
, the Conversion Rate Register
is set to its default state of 1000b (16 Hz nominally) when the thermal sensor is powered up.
There
is a ±30% error tolerance between the conversion rate indicated in the conversion rate register and
the actual conversion rate.
the actual conversion rate.
6
RUN/STOP
0
Stand-by mode control bit. If set the device immediately
stops converting, and enters stand-by mode. It will
perform new temperature measurements when a
one-shot is performed. If cleared the device
automatically updates on a timed basis.
stops converting, and enters stand-by mode. It will
perform new temperature measurements when a
one-shot is performed. If cleared the device
automatically updates on a timed basis.
5
AL/TH
0
This bit selects the function of pin 13. Default = 0 =
ALERT. Always set this bit to 0.
ALERT. Always set this bit to 0.
4
RESERVED
RESERVED
Reserved for future use.
3
Remote 1/2
0
Setting this bit to 1 enables the user to read the remote
2 values from the remote 1 registers. Default = 0 = Read
remote 1 values from the remote 1 registers. Always set
this bit to 0.
2 values from the remote 1 registers. Default = 0 = Read
remote 1 values from the remote 1 registers. Always set
this bit to 0.
2
Temp Range
0
Setting this bit to 1 enables the extended temperature
measurement range (-50 °C to +150
measurement range (-50 °C to +150
°
C). Default = 0 =
(0
°
C to 127
°
C). Always set this bit to 0.
1
Mask R1
0
Setting this bit to 1 masks ALERTS due to the processor
core 1 temperature exceeding a programmed limit.
Default = 0. Always set this bit to 0.
core 1 temperature exceeding a programmed limit.
Default = 0. Always set this bit to 0.
0
Mask R2
0
Setting this bit to 1 masks ALERTS due to the processor
core 2 temperature exceeding a programmed limit.
Default = 0. Always set this bit to 0.
core 2 temperature exceeding a programmed limit.
Default = 0. Always set this bit to 0.
Table 7-14. SMBus Thermal Sensor Configuration Register (Sheet 2 of 2)
Bit
Name
Reset State
Function
Table 7-15. SMBus Thermal Sensor Conversion Rate Register (Sheet 1 of 2)
Bit
Name
Reset State
Function
7 (MSB)
Averaging
0
Setting this bit to 1 disables averaging of the
temperature measurements at the slower conversion
rates. Default = 0 = Averaging enabled.
temperature measurements at the slower conversion
rates. Default = 0 = Averaging enabled.
6
RESERVED
RESERVED
Reserved for future use.