F81867 Datasheet, PDF (71/315 Pages) Feature Integration Technology Inc. – 6 UARTs μSuper IO With 128 Bytes FIFO and Power Saving Functions

F81867
Auto FAN1 and FAN2 Boundary Hystersis Select Register ⎯ Index 98h
Bit
Name
R/W Reset Default
Description
Boundary hysteresis. (0~15^ºC)
7-4
FAN2_HYS
R/W 5VSB 4h Segment will change when the temperature over the boundary
temperature and below the (boundary – hysteresis).
Boundary hysteresis. (0~15^ºC)
3-0
FAN1_HYS
R/W 5VSB 4h Segment will change when the temperature over the boundary
temperature and below the (boundary – hysteresis).
Auto FAN3 Boundary Hystersis Select Register ⎯ Index 99h
Bit
Name
R/W Reset Default
Description
7-4
Reserved
-
-
- Reserved.
Boundary hysteresis. (0~15^ºC)
3-0
FAN3_HYS
R/W 5VSB 2h Segment will change when the temperature over the boundary
temperature and below the (boundary – hysteresis).
Fan3 Control Register ⎯ Index 9Ah
Bit
Name
R/W Reset Default
Description
7
Reserved
-
-
- Reserved.
This bit and FAN3_PWM_FREQ_SEL are used to select FAN3 PWM
frequency. NEW_FREQ_SEL3 = { FREQ_SEL_ADD3,
FAN3_PWM_FREQ_SEL}
6 FREQ_SEL_ADD3 R/W 5VSB 0 00: 23.5 KHz
01: 11.75 KHz
10: 5.875 KHz
11: 220 Hz
This bit and FAN2_PWM_FREQ_SEL are used to select FAN2 PWM
frequency. NEW_FREQ_SEL2 = { FREQ_SEL_ADD2,
FAN2_PWM_FREQ_SEL}
5 FREQ_SEL_ADD2 R/W 5VSB 0 00: 23.5 KHz
01: 11.75 KHz
10: 5.875 KHz
11: 220 Hz
71
Dec, 2011
V0.12P