W83637HF Winbond Electronics Corp America, W83637HF Datasheet - Page 74

• Manufacturer Part Number: W83637HF
• Description: Description = LPC I/o Plus H/w Monitor, Smart Fan Control, Smart Card (PC/SC) Reader, Memory Stick Reader I/F, Sd/mmc Card Reader I/f ;; Package = QFP 128
• Manufacturer: Winbond Electronics Corp America

FANPWM2 Duty Cycle Select Register-- 03h (Bank 0)
Register Location:
Power on Default Value
Attribute:
Size:
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:
Power on Default Value
Attribute:
Size:
Bit7-6: Reserved
Bit5-4: FANPWM2 mode control.
Bit3-2: FANPWM1 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.
Set 00, FANPWM1 is as Manual Mode. (Default).
Set 01, FANPWM1 is as Thermal Cruise Mode.
7
7
03h
FFh
Read/Write
8 bits
04h
00h
Read/Write
8 bits
6
6
5
5
4
4
3
3
2
2
- 69 -
1
1
0
0
FAN1_OB
FAN2_OB
FAN1_Mode
FAN1_Mode
FAN2_Mode
FAN2_Mode
Reserved
Reserved
PWM2_Duty
Publication Release Date: June 25, 2003
W83637HF
Revision 1.3