W83791G Datasheet, PDF (66/99 Pages) Winbond – Winbond H/W Monitoring IC

W83791D/G
7.76 Fan 3 Start-up Duty Cycle Register ⎯ Index 99h (Bank 0)
Power on default: 01h
BIT
NAME
ATTRIBUTE
DESCRIPTION
7-0 START_DC3[7:0]
R/W
In Thermal Cruise mode, PWM duty will increase from 0
to this register value to provide a minimum duty cycle to
turn on the fan. This register should be written a fan
start-up duty cycle.
7.77 Fan 3 Stop Time Register ⎯ Index 9Ah (Bank 0)
Power on default: 3Ch
BIT
NAME
7-0 STOP_TIME3[7:0]
ATTRIBUTE
R/W
DESCRIPTION
In Thermal Cruise mode, this register determines the
time of which PWM duty is from stop duty cycle to 0 duty
cycle. The unit of this register is 0.1 second. The default
value is 6 seconds.
7.78 Interrupt Status Register III ⎯ Index 9Bh (Bank 0)
Power on default: 00h
BIT
NAME
ATTRIBUTE
DESCRIPTION
7
Reserved
Reserved.
6
FAN5
Read Only A one indicates the fan count limit of FAN5 has been
exceeded.
5
FAN4
Read Only A one indicates the fan count limit of FAN4 has been
exceeded.
4
VBAT
Read Only A one indicates a high or low limit of VBAT has been
exceeded.
3
VSB
Read Only A one indicates a high or low limit of VSB has been exceeded.
2
TART3
Read Only
Target Temperature 3 Status. A one indicates VTIN3 with
Fan 3 full speed can not be in the specific range after 3
minutes.
1
TART2
Read Only
Target Temperature 2 Statue. A one indicates VTIN2
temperature with Fan 2 full speed can not be in the specific
range after 3 minutes.
0
TART1
Read Only
Target Temperature 1 Statue. A one indicates VTIN1
temperature with Fan 1 full speed can not be in the specific
range after 3 minutes.
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Publication Release Date: April 14, 2006
Revision 1.1