f75387 Feature Integration Technology Inc., f75387 Datasheet - Page 25

• Manufacturer Part Number: f75387
• Description: ?1o C Accuracy H/w Monitor Ic With Automatic Fan Speed Control
• Manufacturer: Feature Integration Technology Inc.

Power-on default [7:0] =0000_0000 b
Power-on default [7:0] =0000_0000 b
8.8.
8.9.
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
Interrupt Status Register 1  Index 31h
Real Time Status Register 1  Index 32h
FAN2_EXC
FAN1_EXC
FAN2_STS
FAN1_STS
VCC_STS
VT2_EXC
VT1_EXC
VT2_STS
VT1_STS
V3_STS
V2_STS
V1_STS
Name
Name
Attribute
Attribute
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
A one indicates fan2 count limit has been exceeded. A zero indicates fan2
count is in the safe region.
A one indicates fan1 count limit has been exceeded. A zero indicates fan1
count is in the safe region.
A one indicates VT2 temperature sensor is out of the range set by the
register 6Ch and 6Dh continuously for the times set by the OVT_QUEUE
register.
A one indicates VT1 temperature sensor is out of the range set by the
register 6Ah and 6Bh continuously for the times set by the OVT_QUEUE
register.
This bit is set when the fan2 count exceeds the count limit. Write 1 to clear
this bit, write 0 will be ignored.
This bit is set when the fan1 count exceeds the count limit. Write 1 to clear
this bit, write 0 will be ignored.
This bit is set when the VT2 temperature sensor is out of the temperature
range continuously for the times set by OVT_QUEUE register. Write 1 to
clear this bit, write 0 will be ignored.
This bit is set when the VT1 temperature sensor is out of the temperature
range continuously for the times set by OVT_QUEUE register. Write 1 to
clear this bit, write 0 will be ignored.
This bit is set when the VIN3 is over the high limit or under the low limit.
Write 1 to clear this bit, write 0 will be ignored.
This bit is set when the VIN2 is over the high limit or under the low limit.
Write 1 to clear this bit, write 0 will be ignored.
This bit is set when the VIN1 is over the high limit or under the low limit.
Write 1 to clear this bit, write 0 will be ignored.
This bit is set when the VCC is over the high limit or under the low limit. Write
1 to clear this bit, write 0 will be ignored.
23
Description
Description
July, 2007
F75387
0.27P