F75386
Set to 0, the F75386’s PWM output continues to output the control signal while in
standby. (when bit 6 is set to 1)
4~3
2
Reserved
ALERT_TACH_SEL
Reserved
RO
R/W
RO
These bits are unused and always set to 0
Set to 1, pin6 acts as fan Tachometer input.
Set to 0, pin6 acts as ALERT output.
1
This bit is unused and always set to 0
Set to 1, an ALERT# will be generated if consecutive abnormal events occur three times.
Set to 0, an ALERT# will be generated if any abnormal event occurs.
0
ALERT_QUEUE
R/W
7.2 Status Register 1 Index 02h
Power on default <7:0> = 00h
T1 = On-chip temperature sensor (Local)
T2 = Pin 2 external temperature sensor (Remote)
Bit
Name
Attribute
Description
Set to 1, ADC is converting.
7
ADC_BUSY
RO
Set to 1, T1 temperature exceeds high limit.
Set to 0, T1 temperature does not exceed high limit.
Set to 1, T1 temperature goes below low limit.
Set to 0, T1 temperature does not go below low limit.
Set to 1, T2 temperature exceeds high limit.
Set to 0, T2 temperature does not exceed high limit.
Set to 1, T2 temperature goes below low limit.
Set to 0, T2 temperature does not go below low limit.
Set to 1, T2 is open-circuit
6
5
4
3
2
1
0
T1_HIGH_STS
T1_LOW_STS
T2_HIGH_STS
T2_LOW_STS
T2_OPEN_STS
T2_THERM_STS
FAN_ALARM
RO
RO
RO
RO
RO
RO
RO
Set to 0, T2 is not open-circuit
Set to 1, T2 temperature exceeds its thermal limit.
Set to 0, T2 temperature does not exceed its thermal limit.
Set to 1, FAN count is higher than the FAN limit value
Set to 0, FAN count is equal or lower than the FAN limit value.
7.3 Status Register 2 Index 18h
Power on default <7:0> = 00h
T1 = On-chip temperature sensor (Local)
T3= Pin 3 external temperature sensor (Remote)
-10-
F75386
July, 2007
V0.27P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
