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參數(shù)資料
型號: W83697HF
廠商: WINBOND ELECTRONICS CORP
元件分類: 外設(shè)及接口
英文描述: WINBOND I/O
中文描述: MULTIFUNCTION PERIPHERAL, PQFP128
封裝: PLASTIC, QFP-128
文件頁數(shù): 135/167頁
文件大小: 1094K
代理商: W83697HF
W83697HF/F
Publication Release Date: Feb. 2002
- 126 - Revision 0.70
9.7.53 FAN2 Duty Cycle Select Register-- Index 03h
Power on default [7:0] = 1111,1111 b
Bit
Name
Read/Write
Description
7-0
F2_DC[7:0]
Read/Write
FanPWM2 Duty Cycle.
This 8-bit register determines
the number of input clock cycles, out of 256-cycle period,
during which the PWM output is high. During smart fan 2
control mode, read this register will return smart fan duty
cycle.
00h: PWM output is always logical Low.
FFh: PWM output is always logical High.
XXh: PWM output logical High percentage is
XX/256*100% during one cycle.
9.7.54 FAN Configuration Register-- Index 04h
Power on default [7:0] = 0000,0000 b
Bit
Name
Read/Write
Description
7-2
Reserved
Read/Write
Reserved
5-4
FAN2_MODE
Read/Write
FAN 2 PWM Control Mode.
00 - Manual PWM Control Mode. (Default)
01 - Thermal Cruise mode.
10 - Fan Speed Cruise Mode.
11 - Reserved.
3-2
FAN1_MODE
Read/Write
FAN 1 PWM Control Mode.
00 - Manual PWM Control Mode. (Default)
01 - Thermal Cruise mode.
10 - Fan Speed Cruise Mode.
11 - Reserved.
1
FAN2_OB
Read/Write
Enable Fan 2 as Output Buffer.
Set to 0, FANPWM2
can drive logical high or logical low. Set to 1, FANPWM2
is open-drain
0
FAN1_OB
Read/Write
Enable Fan 1 as Output Buffer.
Set to 0, FANPWM1
can drive logical high or logical low. Set to 1, FANPWM1
is open-drain
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