W83791G Datasheet, PDF (59/99 Pages) Winbond – Winbond H/W Monitoring IC

W83791D/G
7.57 Fan 2 Target Temperature Register/Target Fan 2 Speed Control Register ⎯
Index 86h (Bank 0)
Power on default: 00h
VTIN2 target temperature register for Thermal Cruise mode.
BIT
NAME
ATTRIBUTE
DESCRIPTION
7
Reserved
R/W
Reserved.
6-0 FAN_TAR_T2 R/W
[6:0]
Fan 2 Target Temperature. Only for Thermal Cruise
mode. When the temperature 2 over the target
temperature add tolerance temperature, the smart fan 2
duty cycle will up count until the duty cycle obtain to FFh.
Fan 2 target speed register for Fan Speed Cruise mode.
BIT
NAME
7-0 FAN_TAR_CNT2
[7:0]
ATTRIBUTE
R/W
DESCRIPTION
Target Fan 2 Speed Control. Only for Fan Speed
Cruise Mode. When the fan 2 monitored Fan 2 Count
over the target Fan Count add tolerance, the fan duty
cycle will up/down count until the duty cycle have been
corresponding the monitored speed count.
7.58 Tolerance of Fan1/2 Target Temperature or Speed Register ⎯ Index 87h
(Bank0)
Power on default: 00h
Tolerance of VTIN1/2 target temperature register.
BIT
NAME
ATTRIBUTE
DESCRIPTION
7-4 TOL_T2[3:0] R/W
Tolerance of Fan 2 Target Temperature. Only for Thermal
Cruise mode.
3-0 TOL_T1[3:0] R/W
Tolerance of Fan 1 Target Temperature. Only for Thermal
Cruise mode.
Tolerance of Fan 1/2 target speed register.
BIT
NAME
7-4 TOL_FS2[3:0]
ATTRIBUTE
R/W
DESCRIPTION
Tolerance of Fan 2 Target Speed Count. Only for Fan
Speed Cruise mode.
3-0 TOL_FS1[3:0] R/W
Tolerance of Fan 1 Target Speed Count. Only for Fan
Speed Cruise mode.
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Publication Release Date: April 14, 2006
Revision 1.1