W83791G Nuvoton Technology Corporation of America, W83791G Datasheet - Page 41

• 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

LED Control Register ⎯ Index 17h (Bank 0) , continued.
7.19 User Defined Registers ⎯ Index 18h-1Ch (Bank 0)
User defined registers. Write a data to the mapped register will return a prior written data when read
this mapped register.
7.20 Speech Control Register 1 ⎯ Index 1Dh (Bank 0)
Power on default: 00h
2:0
7
6
5
3
2
1
0
BIT
BIT
4
EN_FAN2_SPK
EN_FAN1_SPK
EN_T2_SPK
EN_T1_SPK
EN_V5_SPK
EN_V33_SPK
EN_T3_SPK
EN_V25A_SPK
LED_CLK
NAME
NAME
R/W
ATTRIBUTE
ATTRIBUTE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
LED Flashed Time Control.
LED_CLK
000b
001b
010b
011b
100b
101b
110b
111b
Enable SPEECH output from FAN 2 if the monitor value
exceeds the limit value. Write 1, enable SPEECH output.
Default 0.
Enable SPEECH output from FAN 1 if the monitor value
exceeds the limit value. Write 1, enable SPEECH output.
Default 0.
Enable SPEECH output from Temperature Sensor 2 if the
monitor value exceeds the limit value. Write 1, enable
SPEECH output. Default 0.
Enable SPEECH output from Temperature Sensor 1 if the
monitor value exceeds the limit value. Write 1, enable
SPEECH output. Default 0.
Enable SPEECH output from VDD (5V) if the monitor value
exceeds the limit value. Write 1, enable SPEECH output.
Default 0.
Enable SPEECH output from 3.3V if the monitor value
exceeds the limit value. Write 1, enable SPEECH output.
Default 0.
Enable SPEECH output from Temperature Sensor 3 if the
monitor value exceeds the limit value. Write 1, enable
SPEECH output. Default 0.
Enable SPEECH output from Vcore if the monitor value
exceeds the limit value. Write 1, enable SPEECH output.
Default 0.
- 35 -
Description
LED off. Always drive logical low in LED
pin. (Default)
4 Hz, 4 times for 1 second.
2 Hz, 2 times for 1 second.
1 Hz, 1 times for 1 second.
1/2 Hz, 1 time for 2 seconds.
1/4 Hz, 1 time for 4 seconds.
1/8 Hz, 1 time for 8 seconds.
LED on. Always drive logical high in LED
pin if LED function is active.
DESCRIPTION
DESCRIPTION
Publication Release Date: April 14, 2006
W83791D/G
Revision 1.1