ADM1030
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28
Table 26. REGISTER 0X24 LOCAL TEMP T
MIN
/T
RANGE
 POWER-ON DEFAULT = 41H
Bit
Name
R/W
Description
<7:3>
Local Temp T
MIN
Read/Write
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癈 increments. Default is 32癈.
00000 = 0癈
00001 = 4癈
00010 = 8癈
00011 = 12癈
|
|
01000 = 32癈 (Default)
|
|
|
11110 = 120癈
11111 = 124癈
<2:0>
Local Temp T
RANGE
Read/Write
This nibble contains the temperature range value for Automatic Fan Speed Control
based on the Local Temperature Readings.
000 = 5癈
001 = 10癈 (Default)
010 = 20癈
011 = 40癈
100 = 80癈
Table 27. REGISTER 0X25 REMOTE TEMP T
MIN
/T
RANGE
 POWER-ON DEFAULT = 61H
Bit
Name
R/W
Description
<7:3>
Remote Temp T
MIN
Read/Write
Contains the minimum temperature value for Automatic Fan Speed Control based
on Remote Temperature Readings. T
MIN
 can be programmed to positive values
only in 4癈 increments. Default is 48癈.
00000 = 0癈
00001 = 4癈
00010 = 8癈
00011 = 12癈
|
|
01100 = 48癈 (Default)
|
|
11110 = 120癈
11111 = 124癈
<2:0>
Remote Temp T
RANGE
Read/Write
This nibble contains the temperature range value for Automatic Fan Speed Control
based on the Remote 1 Temperature Readings.
000 = 5癈
001 = 10癈 (Default)
010 = 20癈
011 = 40癈
100 = 80癈
Table 28. REGISTER 0X3F THERM BEHAVIOR/REVISION POWER-ON DEFAULT = 80H
Bit
Name
R/W
Description
<7>
Therm-to-Fan Enable
Read/Write
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.) Note that this bit
has no effect whenever THERM
 is pulled low as an input.
<6:4>
Unused
Read Only
Unused. Read back zeros.
<3:0>
Revision
Read Only
This nibble contains the revision number for the ADM1030.
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