w83795g Winbond Electronics Corp America, w83795g Datasheet - Page 99
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w83795g
Manufacturer Part Number
w83795g
Description
Nuvoton H/w Monitor
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83795G.pdf
(154 pages)
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10.1.1.4. S
S
temperature sensors in S
FANCTL3-FANCTL8 functions are not for W83795ADG.
The 6 slopes can be obtained by setting DC/PWM1~DC/PWM7 and T1~T7 through the registers.
When the temperature rises, FAN Output will calculate the DC/PWM output based on the current slope.
For example, in the following figure, T1~T7 are the temperature set and DC/PWM1 ~ DC/PWM7 are
the fan output set. Assume Tx is the current temperature and DC/PWMy is the fan output, then
The slope:
Fan Output:
MART
•
•
•
•
•
•
DC/PWMy
F
The temperature sensor selected by Temperature Source Selection Register (TSS) Bank 2
Address 09
The fan output (FANCTL1 – FANCTL8) selected by Temperature to Fan mapping
Relationships Register (TFMR) Bank2 Address 09
Set the fan output (FANCTL1 – FANCTL8) controlled mode by Fan Control Mode Selection
Registers (FCMS) Bank2 Address 01
Set Critical Temperature to Full Speed all fan (CTFS) Bank2 Address 68
Set the Relative Register-at S
Set Hystersis of Temperature (HT) Bank2 Address 70
AN
DC/PWM6
DC/PWM7
DC/PWM1
DC/PWM5
DC/PWM4
DC/PWM3
DC/PWM2
MART
TM
FullSpeed
IV offers 6 slopes to control the fan speed. There are eight fan outputs and six
F
Fan Output
AN
HEX
TM
– 0B
MART
IV
DC
HEX
/
X
F
PWMy
T1
AN
4
=
TM
S
X1
MART
(
IV mode.
DC
MART
T2
=
(
/
DC
X2
F
PWM
AN
F
HEX
T3 T4
AN
/
- 99 –
TM
X3
PWM
(
T
and 08
TM
5
IV Mechanism
5
Tx
) (
IV Control Mode Table
−
−
X4
T
4
DC
HEX
) (
Operation Hyst.
4
+
)
T5 T6
HEX
/
Tx
X5
PWM
– 0B
HEX
−
T
– 75
X6
4
4
HEX
)
)
Critical Hyst.
⋅
T7
HEX
X
4
W83795G/ADG
TCritical
Temperature
HEX
– 6D
Revision 1.41
Aug/2/2010
HEX
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