f75377 Feature Integration Technology Inc., f75377 Datasheet - Page 37

• Manufacturer Part Number: f75377
• Description: Monitor With Automatic Speed Control
• Manufacturer: Feature Integration Technology Inc.

Address
Address
7.50
7.51
B0h
B1h
B2h
B3h
B4h
B5h
C0h
C1h
Fan2 Index B0h- BFh
Fan3 Index C0h- CFh
Attribute
Attribute
R/W
R/W
R/W
R/W
RO
RO
RO
RO
Default
Default
Value
Value
8’h0F
8’h00
8’h01
8’h03
8’h0f
8’hff
8’hff
8’hff
Description
FAN2 count reading (MSB). At the moment of reading this register, the LSB will
be latched. This will prevent from data updating when reading. To read the fan
count correctly, read MSB first and followed read the LSB.
FAN2 count reading (LSB).
RPM mode(CR96 bit2=0):
FAN2 expect speed count value (MSB), in auto fan mode(CR96 bit3
register is auto updated by hardware.
Duty mode(CR96 bit2=1):
This byte is reserved byte.
RPM mode(CR96 bit2=0):
FAN2 expect speed count value (LSB) or expect PWM duty , in auto fan mode
this register is auto updated by hardware and read only.
Duty mode(CR96 bit2=1):
The Value programming in this byte is duty value. In auto fan mode(CR96
bit3
Ex: 5
FAN2 full speed count reading (MSB). At the moment of reading this register,
the LSB will be latched. This will prevent from data updating when reading. To
read the fan count correctly, read MSB first and followed read the LSB.
FAN2 full speed count reading (LSB).
Description
FAN3 count reading (MSB). At the moment of reading this register, the LSB will
be latched. This will prevent from data updating when reading. To read the fan
count correctly, read MSB first and followed read the LSB.
FAN3 count reading (LSB).
255
0) this register is updated by hardware.
5*100/255 %
100%
37
F75377
0) this
March.
V0.12P
, 2008