W83L786R/ W83L786G
 
REGISTER
TEMP 1  FAN1
TEMP 2  FAN2
TEMP 3  FAN3
Non-Stop Duty Cycle
CR[88h] b3:b0
CR[89h] b3:b0
CR[98h] b3:b0
Duty Level 1
CR[88h] b7:b4
CR[89h] b7:b4
CR[98h] b7:b4
Duty Level 2
CR[E0h] b7:b4
CR[E1h] b7:b4
CR[E2h] b7:b4
Duty Level 3
CR[E0h] b3:b0
CR[E1h] b3:b0
CR[E2h] b3:b0
Temp Point 1
CR[85h] b7:b0
CR[86h] b7:b0
CR[96h] b7:b0
Temp Point 2
CR[E3h] b7:b0
CR[E6h] b7:b0
CR[E9h] b7:b0
Temp Point 3
CR[E4h] b7:b0
CR[E7h] b7:b0
CR[EAh] b7:b0
Temp Point 4
CR[E5h] b7:b0
CR[E8h] b7:b0
CR[EBh] b7:b0
Tolerance
CR[87h] b3:b0
CR[87h] b7:b4
CR[97h] b3:b0
7.6.5   Fan Fault (FAN_FAULT #)
W83L786R/G provides a good protection for fan speed. Set Pin 27 (FAN_FAULT#) to monitor fan
speed. When FANIN1 (Pin11) or FANIN2 (Pin12) exceeds fan count high limit in VR3B or VR3C.
Pin27 FAN_FAULT# will be asserted (Figure 13).
F i g u r e 1 3 . F A  N  _ F A  U  L T
F a n c o u n t l i m  i t
F A  N  _ F A  U  L T  #
 
7.7   Fault SignalINT#
7.7.1   Temperature
Pin INT# for temperature has 3 modes.
7.7.1.1. Comparator Interrupt Mode
Temperature exceeding T
O
 causes an interrupt and this interrupt will be reset when reading all of the
Interrupt Status Registers. Once an interrupt event has occurred by exceeding T
O
, then reset, if the
temperature remains above the T
HYST
, the interrupt will occur again when the next conversion has
completed. If an interrupt event has occurred by exceeding T
O
 and not reset, the interrupts will not
occur again. The interrupts will continue to occur in this manner until the temperature goes below
T
HYST
. (Figure 14-1)
Publication Release Date: March 06
  - 20 -
Revision0.8
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