W83791G Datasheet, PDF (65/99 Pages) Winbond – Winbond H/W Monitoring IC

W83791D/G
7.74 Tolerance of Fan 3 Target Temperature or Speed Register ⎯ Index 97h (Bank
0)
Power on default: 00h
Tolerance of VTIN3 target temperature register
BIT
NAME
ATTRIBUTE
DESCRIPTION
7
FAN3INV
RO
FAN 3 input value if FANINC3 sets to 1. Return ‘1’, the pin
18 status is logic high signal. Read ‘0’, pin18 is logic low
signal.
6
FAN2INV
RO
FAN 2 input value if FANINC2 sets to 1. Return ‘1’, the pin
19 status is logic high signal. Read ‘0’, pin19 is logic low
signal.
5
FAN1INV
RO
FAN 1 input value if FANINC1 sets to 1. Return ‘1’, the pin
20 status is logic high signal. Read ‘0’, pin20 is logic low
signal.
4
Reserved
Reserved
Reserved
3-0 TOL_T3[3:0] R/W
Tolerance of Fan 3 Target Temperature. Only for Thermal
Cruise mode.
Tolerance of Fan 3 target speed register.
BIT
NAME
ATTRIBUTE
DESCRIPTION
7 FAN3INV
RO
FAN 3 input value if FANINC3 sets to 1. Return ‘1’, the pin
18 status is logic high signal. Read ‘0’, pin18 is logic low
signal.
6 FAN2INV
RO
FAN 2 input value if FANINC2 sets to 1. Return ‘1’, the pin
19 status is logic high signal. Read ‘0’, pin19 is logic low
signal.
5 FAN1INV
RO
FAN 1 input value if FANINC1 sets to 1. Return ‘1’, the pin
20 status is logic high signal. Read ‘0’, pin20 is logic low
signal.
4 Reserved
Reserved
Reserved
3-0 TOL_FS3[3:0] R/W
Tolerance of Fan 3 Target Speed Count. Only for Fan
Speed Cruise mode.
7.75 Fan 3 PWM Stop Duty Cycle Register ⎯ Index 98h (Bank 0)
Power on default: 01h
BIT
NAME
7-0 STOP_DC3[7:0]
ATTRIBUTE
R/W
DESCRIPTION
In Thermal Cruise mode, PWM duty will be 0 if it decreases
to under this value. This register should be written a non-
zero minimum PWM stop duty cycle.
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Publication Release Date: April 14, 2006
Revision 1.1