W83782G Nuvoton Technology Corporation of America, W83782G Datasheet - Page 38

• Manufacturer Part Number: W83782G
• Description: IC MONITOR H/W 48-LQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83782G

• Output Type: I²C™, ISA
• Function: Hardware Monitor
• Topology: ADC, Fan Speed Counter, Register Bank
• Sensor Type: External
• Sensing Temperature: External Sensor
• Output Alarm: No
• 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
• Temperature Sensor Function: Temp Sensor
• Operating Temperature (min): -40C
• Operating Temperature (max): 120C
• Operating Supply Voltage (typ): 5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Bit 3: Temperature sensor 3 select into thermal diode such as Pentium II CPU supported. Set to 1,
Bit 2: Sensor 2 type selection. Defined as DIODES3 described in the bit 3.
Bit 1: Sensor 1 type selection. Defined as DIODES2 described in the bit 3.
Bit 0: Set to 1, enable battery voltage monitor. Set to 0, disable battery voltage monitor. If enable this
Fan divisor table:
7.29 PWMOUT3 Control − Index 5Eh (Bank 0)
Register Location:
Power on Default Value <7:0> 1111-1111. Reset by MR.
Attribute:
Size:
Bit 7: PWMOUT3 duty cycle control
BIT 2
0
0
0
0
Write FF, Duty cycle is 100%,
Write 00, Duty cycle is 0%.
bit, the monitor value is value after one monitor cycle. Note that the monitor cycle time is at least
300ms for W83782D.
select bipolar sensor. Set to 0, select thermistor sensor.
BIT 1
0
0
1
1
BIT 0
0
1
0
1
7
6
FAN DIVISOR
5Eh
Read/Write
8 bits
5
1
2
4
8
4
3
2
- 35 -
1
BIT 2
1
1
1
1
0
BIT 1
PWM3_DUTY
0
0
1
1
Publication Release Date: April 14, 2005
W83782D/W83782G
BIT 0
0
1
0
1
FAN DIVISOR
128
16
32
64
Revision 2.0