W83791G Nuvoton Technology Corporation of America, W83791G Datasheet - Page 49

• 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

7.34 Temperature 2 and Temperature 3 Serial Bus Address Register ⎯ Index4Ah
Power on default: 01h; Reset by MR
7.35 Pin Control Register ⎯ Index4Bh (Bank 0)
Power on default: 44h, Reset by MR.
7
6-4
3
2-0
7-6
5-4
3-0
BIT
BIT
(Bank 0)
FAN3_DIV
ADCOVSEL
Reserved
DIS_T3
I2CADDR3
DIS_T2
I2CADDR2
NAME
NAME
ATTRIBUTE
R/W
R/W
ATTRIBUTE
R/W
R/W
R/W
R/W
FAN3 Speed Divisor. The third bit of FAN 3 speed divisor is
defined in Index 5Dh.
<7:6> = 00 - divide by 1;
<7:6> = 01 - divide by 2;
<7:6> = 10 - divide by 4;
<7:6> = 11 - divide by 8;
Select A/D Converter Clock Input.
<5:4> = 00 - default. ADC clock select 22.5 Khz.
<5:4> = 01- ADC clock select 5.6 Khz. (22.5K/4)
<5:4> = 10 - ADC clock select 1.4Khz. (22.5K/16)
<5:4> = 11 - ADC clock select 0.35 Khz. (22.5K/64)
Reserved
Set to 1, disable temperature 3 sensor and can not
access any data from Temperature Sensor 3.
Temperature 3 Serial Bus Address. The serial bus
address is 1001xxx. Where xxx are defined in these
bits.
Set to 1, disable temperature Sensor and cannot access
any data from Temperature Sensor 2.
address is 1001xxx. Where xxx are defined in these
bits.
Temperature 2 Serial Bus Address. The serial bus
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DESCRIPTION
Publication Release Date: April 14, 2006
DESCRIPTION
W83791D/G
Revision 1.1