W83782G Nuvoton Technology Corporation of America, W83782G Datasheet - Page 24

• 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

7.3 Configuration Register − Index 40h
Register Location:
Power on Default Value
Attribute:
Size:
Bit 7: A one restores power on default value to all registers except the Serial Bus Address register.
Bit 6:
Bit 5:
Bit 4:
Bit 3: A one disables the SMI# output without affecting the contents of Interrupt Status Registers. The
Bit 2:
Bit 1: A one enables the SMI# Interrupt output.
Bit 0: A one enables startup of monitoring operations, a zero puts the part in standby mode.
Note: The outputs of Interrupt pins will not be cleared if the user writes a zero to this location after an interrupt has occurred
7.4 Interrupt Status Register 1 − Index 41h
Register Location:
Power on Default Value
Attribute:
Size:
Bit 7: A one indicates the fan count limit of FAN2 has been exceeded.
Bit 6: A one indicates the fan count limit of FAN1 has been exceeded.
unlike "INT_Clear'' bit.
The logical 1 in this bit drives a zero on BEEP/GPO# pin.
Reserved
Reserved
Reserved
This bit clears itself since the power on default is zero.
device will stop monitoring. It will resume upon clearing of this bit.
7
6
7
5
40h
00000001 binary
Read/write
8 bits
41h
00h
Read Only
8 bits
4
6
3
5
2
4
1
3
0
2
- 21 -
1
START
SMI#Enable
RESERVED
INT_Clear
RESERVED
RESERVED
BEEP/GPO#
INITIALIZATION
0
VCOREA
VINRO
+3.3VIN
+5VIN
TEMP1
TEMP2
FAN1
FAN2
Publication Release Date: April 14, 2005
W83782D/W83782G
Revision 2.0