W83L786NR Datasheet, PDF (40/50 Pages) Winbond – H/W Monitoring IC

W83L786NR/ W83L786NG
8.37 FAN 2D/3D state Control Register - Index 8Eh
At SMART FAN^TM II Mode, FAN will be controlled by 2D/3D mode after writing 2Dh/3Dh to CR8A
8.38 FAN Pre-Scale Register - Index 8Fh
Power on default [7:0] = 0010, 0010 b
BIT
NAME
READ/WRITE
DESCRIPTION
7 PWM2_CLK_SEL
Read/Write
PWM Input Clock Select of Fan 2. This bit
select FAN input clock to pre-scale divider.
<0> - 1.44MHz
<1> - 180KHz
FAN 2 PWM Input Clock divider.
<000> - divider is 1
6-4
PWM2_CLK_DIV
[2:0]
Read/Write
<001> - divider is 2
<010> - divider is 4
<011> - divider is 8
<100> - divider is 16
<101> - divider is 32
<110> - divider is 64
<111> - divider is 128
3 PWM1_CLK_SEL
Read/Write
PWM Input Clock Select of Fan 1. This bit
select FAN input clock to pre-scale divider.
<0h> - 1.44MHz
<1h> - 180KHz
FAN 1 PWM Input Clock divider.
<000> - divider is 1
2-0
PWM1_CLK_DIV
[2:0]
Read/Write
<001> - divider is 2
<010> - divider is 4
<011> - divider is 8
<100> - divider is 16
<101> - divider is 32
<110> - divider is 64
<111> - divider is 128
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Publication Release Date: March 31, 2006
Revision 0.9