w83627thg Winbond Electronics Corp America, w83627thg Datasheet - Page 126
w83627thg
Manufacturer Part Number
w83627thg
Description
Winbond Lpc I/o
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83627THG.pdf
(142 pages)
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Part Number:
W83627THG
Manufacturer:
WINBOND/华邦
Quantity:
20 000
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14. W83627THF APPLICATION NOTICE 4 (FOR E VERSION)
Feature Brief
W83627THF : LPC I/F + FDC + UART*2 + Parallel Port + KBC + Game Port + MIDI Port + ACPI +
Description
W83627THF Version E provides two controllable methods for Fan speed control. One is PWM duty
cycle output and the other is DC voltage output. Either PWM or DC output can be programmed at
CR[F0h] bit4 ~ bit6 of Logical Device B.
CR[F0h] of Logical Device B
1. PWM Duty Cycle Output
The duty cycle of PWM can be programmed by a 8-bit registers which are defined in the Bank0 Index
01h, Index03h and Index 11h of H/W Monitor block. The default duty cycle is set to 100% , that is, the
default 8-bit registers is set to FFh. The expression of duty can be represented as follows.
The PWM clock frequency also can be program and defined in the Bank0 Index 00h, Index 02h and
Index 10h of H/W Monitor block.
BIT
6
5
4
AUXFANOUT output mode selection.
:0, DC voltage. (default)
:1, PWM duty cycle.
CPUFANOUT output mode selection.
:0, DC voltage.
:1, PWM duty cycle. (default)
SYSFANOUT output mode selection.
:0, DC voltage. (default)
:1, PWM duty cycle.
Power failure + Hardware Monitor + GPIO + VRD10.0
Dutycycle
(%)
=
Programmed
DESCRIPTION
- 119 -
- 8
255
bit
W83627THF/W83627THG
Register
Publication Release Date: September 26, 2006
Value
×
100
%
Revision 1.2
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