ADM1031
Table 28. REGISTER 0X25 REMOTE 1 TEMP T MIN /T RANGE POWER-ON DEFAULT = 61H
Bit
<7:3>
Name
Remote 1 Temp T MIN
R/W
R/W
Description
Contains the minimum temperature value for automatic fan speed control based on
local temperature readings. T MIN can be programmed to positive values only in 4 ? C
increments. Default is 32 ? C.
00000 = 0 ? C
00001 = 4 ? C
00010 = 8 ? C
00011 = 12 ? C
|
|
01100 = 48 ? C
|
|
|
11110 = 120 ? C
11111 = 124 ? C
<2:0>
Remote 1 Temp T RANGE
R/W
This nibble contains the temperature range value for automatic fan speed control
based on the Remote 1 Temp Readings.
000 = 5 ? C
001 = 10 ? C (Default)
010 = 20 ? C
011 = 40 ? C
100 = 80 ? C
Table 29. REGISTER 0X26 REMOTE 2 TEMP T MIN /T RANGE POWER-ON DEFAULT = 61H
Bit
<7:3>
Name
Remote 2 Temp T MIN
R/W
R/W
Description
Contains the minimum temperature value for automatic fan speed control based on
Remote 2 Temperature Readings. T MIN can be programmed to positive values only
in 4 ? C increments. Default is 32 ? C.
00000 = 0 ? C
00001 = 4 ? C
00010 = 8 ? C
00011 = 12 ? C
|
|
01100 = 48 ? C (Default)
|
|
11110 = 120 ? C
11111 = 124 ? C
<2:0>
Remote 2 Temp T RANGE
R/W
This nibble contains the temperature range value for automatic fan speed control
based on the Remote 2 Temp Readings.
000 = 5 ? C
001 = 10 ? C (Default)
010 = 20 ? C
011 = 40 ? C
100 = 80 ? C
Table 30. REGISTER 0X3F THERM BEHAVIOR/REVISION POWER-ON DEFAULT = 80H
Bit
<7>
<3:0>
Name
THERM-to-Fan En
Revision
R/W
R/W
R
Description
Setting this bit to 1, enables the fan to run full-speed when THERM is asserted low.
This allows the system to be run in performance mode. Clearing this bit to 0 disables
the fan from running full-speed whenever THERM is asserted low. This allows the
system to run in silent mode. (Power-On Default = 1).
This nibble contains the revision number for the ADM1031.
http://onsemi.com
30
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