W83791G Nuvoton Technology Corporation of America, W83791G Datasheet - Page 53

• 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

7.42 BEEP Control Register 2 ⎯ Index 57h (Bank 0)
Power on default: 80h
7.43 Chip ID ⎯ Index 58h (Bank 0)
Power on default: 71h
7.44 Diode Selection Register ⎯ Index 59h (Bank 0)
Power on default: 70h
7
6
5
4
3
2
1
0
7-0
7
6
5
BIT
BIT
BIT
EN_GBP
EN_VR1_BP
EN_VR0_BP
EN_CASO_BP
EN_FAN3_BP
EN_NV5_BP
EN_NV12_BP
EN_V12_BP
CHIPID
Reserved
SELPIIV3
SELPIIV2
NAME
NAME
NAME
Read Only
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
ATTRIBUTE
ATTRIBUTE
ATTRIBUTE
Enable Global BEEP. Write 1, enable global BEEP output.
Default 1. Write 0, disable all BEEP output.
Enable BEEP output from VINR1 if the monitor value
exceeds the limit value. Write 1, enable BEEP output.
Default 0.
Enable BEEP output from VINR0 if the monitor value
exceeds the limit value. Write 1, enable BEEP output.
Default 0.
Enable BEEP output from case open if the signal has gone
high. Write 1, enable BEEP output. Default 0.
Enable BEEP output from FAN 3 if the monitor value
exceeds the limit value. Write 1, enable BEEP output.
Default 0.
Enable BEEP output from -5V if the monitor value exceeds
the limit value. Write 1, enable BEEP output. Default 0.
Enable BEEP output from -12V if the monitor value
exceeds the limit value. Write 1, enable BEEP output.
Default 0.
Enable BEEP output from +12V if the monitor value
exceeds the limit value. Write 1, enable BEEP output.
Default 0.
Winbond Chip ID. Read this register will return 71h.
Reserved.
Pentium II compatible Diode. Set to 0 to select 2N3904
Bipolar mode
Temperature sensor diode 2. When set to 1, select
Pentium II compatible Diode. Set to 0 to select 2N3904
Bipolar mode
Temperature sensor diode 3. When set to 1, select
- 47 -
DESCRIPTION
DESCRIPTION
DESCRIPTION
Publication Release Date: April 14, 2006
W83791D/G
Revision 1.1