W83791G Nuvoton Technology Corporation of America, W83791G Datasheet - Page 59

• Manufacturer Part Number: W83791G
• Description: IC MONITOR H/W 48-LQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83791G

• Function: Hardware Monitor
• Topology: ADC
• Sensor Type: External
• Sensing Temperature: External Sensor
• Output Type: I²C™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7.57 Fan 2 Target Temperature Register/Target Fan 2 Speed Control Register ⎯
VTIN2 target temperature register for Thermal Cruise mode.
Fan 2 target speed register for Fan Speed Cruise mode.
7.58 Tolerance of Fan1/2 Target Temperature or Speed Register ⎯ Index 87h
Tolerance of VTIN1/2 target temperature register.
Tolerance of Fan 1/2 target speed register.
7
6-0
7-0
7-4
3-0
7-4
3-0
BIT
BIT
BIT
BIT
Power on default: 00h
Power on default: 00h
Index 86h (Bank 0)
(Bank0)
TOL_FS2[3:0]
TOL_FS1[3:0]
Reserved
FAN_TAR_T2
[6:0]
FAN_TAR_CNT2
[7:0]
TOL_T2[3:0]
TOL_T1[3:0]
NAME
NAME
NAME
NAME
R/W
R/W
R/W
R/W
ATTRIBUTE
ATTRIBUTE
R/W
R/W
ATTRIBUTE
ATTRIBUTE
R/W
Tolerance of Fan 2 Target Temperature. Only for Thermal
Cruise mode.
Tolerance of Fan 1 Target Temperature. Only for Thermal
Cruise mode.
Tolerance of Fan 2 Target Speed Count. Only for Fan
Speed Cruise mode.
Tolerance of Fan 1 Target Speed Count. Only for Fan
Speed Cruise mode.
Reserved.
Fan 2 Target Temperature. Only for Thermal Cruise
mode. When the temperature 2 over the target
temperature add tolerance temperature, the smart fan 2
duty cycle will up count until the duty cycle obtain to FFh.
Target Fan 2 Speed Control. Only for Fan Speed
Cruise Mode. When the fan 2 monitored Fan 2 Count
over the target Fan Count add tolerance, the fan duty
cycle will up/down count until the duty cycle have been
corresponding the monitored speed count.
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DESCRIPTION
DESCRIPTION
Publication Release Date: April 14, 2006
DESCRIPTION
DESCRIPTION
W83791D/G
Revision 1.1