f75373 Feature Integration Technology Inc., f75373 Datasheet - Page 16

• Manufacturer Part Number: f75373
• Description: Fintek Hardware Monitor Ic Datasheet
• Manufacturer: Feature Integration Technology Inc.

5.4.4 FAN_Fault#
Fan_Fault will be aserted when the fan speed doesn’t meet the expected fan speed within a programmable period(default is 3
minutes) . There are two conditions may cause the FAN_FAULT#.
(1).
(2). When PWM_Duty reaches 00h, if the fan speed count can’t reach the fan expected count in time.(Figure 5-13)
5.5 SMI#
5.5.1 Temperature
When PWM_Duty reaches FFh, the fan speed count can’t reach the fan expected count in time. (Figure 5-12)
SMI# interrupt for temperature is shown as figure 5-13. Temperature exceeding high limit or going below hystersis will
cause an interrupt if the previous interrupt has been reset by writing “1” all the interrupt Status Register.
Fintek
Expected Fan Count
Expected Fan Count
Duty-cycle 0%
Current Fan Count
Duty-cycle
Current Fan Count
Fan_Fault#
Fan_Fault#
100%
11
3 min(default)
3 min(default)
Figure 5-12
Figure 5-13
Feature Integration Technology Inc.
F75373
V0.25P