W83793G Datasheet, PDF (69/131 Pages) Winbond – Winbond H/W Monitor

W83793G
ÆCritical Temperature reached
ÆFan Turn off state to Start
ÆFan at NonStop Level to turn off state
8.11.2.8 SmartFan Output Step Down Time (DownTime)
Down Time regulates the time interval of fastest Fan speed lowered a unit. Default setting is 0.6sec.
Location :
Reset :
DownTime - Bank 0 Address C4_HEXType :
VSB5V(Pin 7) Rising,
Read / Write
Init Reset(CR40.Bit7) is set,
VDD5V(Pin 25) Rising @ RST_VDD_MD(CR40.Bit4) set,
SYSRSTIN_N(Pin 15) Falling @ SYSRST_MD(CR40.Bit5) set.
BIT
Name
Reset
DOWNTIME
7
6
5
4
3
2
1
0
DownTime
06_HEX
BIT
DESCRIPTION
7-0
DownTime(SmartFan Step Down Time). Unit in 0.1sec. Programmed as the interval of
continuous Fan ramping Down.
This register should never set to 0, otherwise will cause Fan Duty abnormal.
8.11.2.9 All Fan Full Speed Temperature (CriticalTemp)
CriticalTemp defines a system critical temperature while exceeding this temperature may lead to
system damage or crash. When W83793G detects any temperature input exceeding CriticalTemp, it
will speed all Fans and try to lowering the temperature.
Location :
CritcalTemp - Bank 0 Address C5_HEX
Type : Read / Write
Reset :
VSB5V(Pin 7) Rising,
Init Reset(CR40.Bit7) is set,
VDD5V(Pin 25) Rising @ RST_VDD_MD(CR40.Bit4) set,
SYSRSTIN_N(Pin 15) Falling @ SYSRST_MD(CR40.Bit5) set.
UPTIME
BIT
7
6
5
4
3
2
1
0
Name
Reserved
CriticalTemp
Reset
0
50_HEX
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Publication Release Date: Dec. 11, 2006
Revision 1.0