f75386 Feature Integration Technology Inc., f75386 Datasheet - Page 17

• Manufacturer Part Number: f75386
• Description: Dual ?1o C Accuracy Temperature Sensor Ic With Fan Speed Control
• Manufacturer: Feature Integration Technology Inc.

F75386
7.8
Power on default <7:0> = 00h
T3 = Pin 3 external temperature sensor (Remote)
7.9
6-5
Power on default <7:0> = 20h
Bit
Bit
5-4
7
4
3
2
1
0
7
6
3
2
1
0
ALERT MASK Register 2 Index 17h
PWM Control Register  Index 30h
DIS_CLKCTRL
T1_THR_MASK
T3_THR_MASK
FTK_MODE
Reserved
FLT_SEL
T3H_MASK
T3L_MASK
Reserved
Name
PT_SEL
Reserved
Reserved
Reserved
ONE_T
Name
Attribute
Attribute
R/W
R/W
R/W
R/W
R/W
RO
RO
RO
RO
RO
RO
RO
RO
RO
This bit is unused and always set to 0
This bit is unused and always set to 0
Set to 1, disable the clock adjustment for different operating temperature.
Set to 0, enable the clock adjustment for different operating temperature.
Set to 1, select PWMOUT output.
Set to 0, select THERM# output.
Set to 1, select only one external thermal diode. At this mode, T3(2
Set to 0, select two external thermal diodes.
Set to 1, T3 temperature exceeds its THERM limit will not generate an ALERT.
Set to 0, T3 temperature exceeds its THERM limit will generate an ALERT.
These bits are unused and always set to 0
Set to 1, T3 temperature exceeds high limit will not generate an ALERT.
Set to 0, T3 temperature exceeds high limit will generate an ALERT.
Set to 1, T3 temperature goes below low limit will not generate an ALERT.
Set to 0, T3 temperature goes below low limit will generate an ALERT.
This bit is unused and always set to 0
Set to 1, T3 temperature exceeds its THERM limit will not generate an ALERT.
Set to 0, T3 temperature exceeds its THERM limit will generate an ALERT.
This bit is unused and always set to 0
Set method of controlling PWM duty and frequency to FINTEK mode.
When bit7 set to 0, tachometer input filter can be selected here.
2’b00: Filter time = 177.6us
2’b01: Filter time = 355.2us
2’b10: Filter time = 888us
2’b11: Filter time = 1.776ms
and status will be set to FFh and 00h.
-13-
Description
Description
nd
external) ‘s reading
F75386
July,
V0.27P
2007