w83627ef Winbond Electronics Corp America, w83627ef Datasheet - Page 49

• Manufacturer Part Number: w83627ef
• Description: Lpc Super I/o For Desktop & Server
• Manufacturer: Winbond Electronics Corp America

6.8.3
Register Location:
Power on Default Value:
Attribute:
Size:
The register is meaningful when SYSFANOUT be programmed as PWM output.
Bit 7: SYSFANOUT PWM Input Clock Source Select. This bit selects the clock source of PWM output
Bit 6-0: SYSFANOUT PWM Pre-Scale divider. This is the divider of clock source of PWM output
the formula is
frequency.
Set to 0, select 24 MHz.
Set to 1, select 180 KHz.
frequency. The maximum divider is 128 (7Fh). This divider should not be set to 0.
SYSFANOUT PWM Output Frequency Configuration Register - Index 00h (Bank 0)
01h : divider is 1
02h : divider is 2
03h : divider is 3
:
:
PWM output frequency
7
6
00h
04h
Read/Write
8 bits
5
4
W83627EHF/EF, W83627EHG/EG
3
2
- 43 -
=
1
Pre_Scale
0
Input
Clock
PWM_CLK_SEL1
Divider
PWM_SCALE1
Publication Release Date: Nov. 2006
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Revision 1.3