W83637HF Datasheet, PDF (74/149 Pages) Winbond – LPC I/O

FANPWM2 Duty Cycle Select Register-- 03h (Bank 0)
Register Location:
03h
Power on Default Value
FFh
Attribute:
Read/Write
Size:
8 bits
7 6 5 4 32 1 0
W83637HF
PWM2_Duty
Bit 7-0: FANPWM2 duty cycle control. Write FF, duty cycle is 100%. Write 00, duty cycle is 0%.
FAN Configuration Register I -- Index 04h (Bank 0)
Register Location:
04h
Power on Default Value
00h
Attribute:
Read/Write
Size:
8 bits
7 6 5 4 32 1 0
FAN1_OB
FAN2_OB
FAN1_Mode
FAN1_Mode
FAN2_Mode
FAN2_Mode
Reserved
Reserved
Bit7-6: Reserved
Bit5-4: FANPWM2 mode control.
Set 00, FANPWM2 is as Manual Mode. (Default).
Set 01, FANPWM2 is as Thermal Cruise Mode.
Set 10, FANPWM2 is as Fan Speed Cruise Mode.
Set 11, reserved and no function.
Bit3-2: FANPWM1 mode control.
Set 00, FANPWM1 is as Manual Mode. (Default).
Set 01, FANPWM1 is as Thermal Cruise Mode.
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Publication Release Date: June 25, 2003
Revision 1.3