W83782G Nuvoton Technology Corporation of America, W83782G Datasheet - Page 30

• 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

7.14 Temperature 2 and Temperature 3 Serial Bus Address Register − Index 4Ah
Register Location:
Power on Default Value
Attribute:
Size:
Bit 7: Set to 1, disable temperature sensor 3 and can not access any data from Temperature Sensor 3.
Bit 6-4: Temperature 3 Serial Bus Address. The serial bus address is 1001xxx, where xxx are defined in
these bits.
Bit 3: Set to 1, disable temperature Sensor 2 and can not access any data from Temperature Sensor 2.
Bit 2-0: Temperature 2 Serial Bus Address. The serial bus address is 1001xxx, where xxx are defined in
these bits.
7.15 Pin Control Register − Index4Bh
Register Location:
Power on Default Value <7:0> 44h. Reset by MR.
Attribute:
Size:
Bit 7-6:Fan3 speed divisor.
Bit 5-4: Select A/D Converter Clock Input.
Please refer to Bank0 CR [5Dh], Fan divisor table.
<5:4> = 00 - default. ADC clock select 22.5 Khz.
<5:4> = 01- ADC clock select 5.6 Khz. (22.5K/4)
7
7
6
6
4Ah
<7:0> = 0000, 0001 binary. Reset by MR
Read/Write
8 bits
4Bh
Read/Write
8 bits
5
5
4
4
3
3
2
2
1
- 27 -
1
0
0
I2CADDR2
I2CADDR2
I2CADDR2
DIS_T2
I2CADDR3
I2CADDR3
I2CADDR3
DIS_T3
Reserved
Reserved
CLKINSEL
CLKINSEL
ADCOVSEL
ADCOVSEL
FAN3DIV_B0
FAN3DIV_B1
Publication Release Date: April 14, 2005
W83782D/W83782G
Revision 2.0