W83791G Nuvoton Technology Corporation of America, W83791G Datasheet - Page 94

• 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

VREF
GNDA
VOLTAGE SENSING
Select one of the two setting.
VCC
Set A2-A0 as 3 lowest order
bits of ISA address bus
Set A2-A0 as bit2, bit1, bit0
of 7 bit I2C address setting
GNDA
R12
SA2
SA1
SA0
CPUVCOA
IA2
IA1
IA0
R10
GTLVOLT
56K 1%
56K 1%
+12V
+5V
5VSB
3VCC
SMI#
LED
R
R
L3
INDUCTOR
FB
ADRMSELIN
ADRMSELIN
R35
R36
R37
R41
R42
R43
R4
28K 1%
34K 1%/791D
0 /782D
R6
5.1K 1%/782D
0 /791D
R8
R?
R?
(FOR 782D)
0
0
0
0
0
0
R
R
0
0/791D
GNDD
R
R
R
R
R
R
R
10K 1%
R5
R7
R1
R2
50K 1%/791D
10K
10K
R3
10K
R9
7.5K 1%/782D
R
232K 1%
R
R
R
120K 1%
SMI#/LED
GNDA
VINR1
R
R13
R11
VCORE
+12VIN
GNDA
R
VINR0
3VIN
+5VSB
GNDA
R
-12VIN
-5VIN
R
EVNT1/A2
EVNT2/A1
EVNT3/A0
EVNT1/A2
EVNT2/A1
EVNT3/A0
-12V
-5V
EVNT2/A1
EVNT3/A0
FAN4IN
FAN5IN
IRQ/GPIO10
PWMOUT4
ADRMSELIN
Beep Circuits
EVNT4
CS#
BEEP
R18
0/791D
R22
0/791D
R23
0/791D
R24
0/791D
R
R
R14
0/782D
R16
0/791D
(FAN)
(EVNT2)
(FAN)
(EVNT3)
R40
R
510
R39
R
10K
R26
R
R27
EVNT1/A2
R25
0/791D
0/782D
R
VCC
0/791D
T3
T2
T1
(FAN)
+5VSB
(EVNT4)
+5V
VREF
VID0
OVT#
SMI#/LED
R38
R
100
/782D : Only for W83782D
/791D : Only for W83791D
Q1
NPN
3904
L2
INDUCTOR
FB/782D
C3
CAP
10u/782D
L1
INDUCTOR
FB/791D
10u/791D
LS1
BUZZER
C1
CAP
37
38
39
40
41
42
43
44
45
46
47
48
VREF
VTIN3/PIITD3
VTIN2/PIITD2
VTIN1/PIITD1
VID0
OVT#
IRQ/GPIO10
SMI#/LEDOUT
EVNTRAP1/GPIO5
EVNTRAP2/GPIO6/FANIN4
EVNTRAP3/GPIO7/FANIN5
EVNTRAP4/GPIO8/PWMOUT4
C2
CAP
0.1u/791D
C4
CAP
0.1u/782D
EVNT5/IOR#
R28
0/791D
(EVNT5)
- 88 -
0/791D
PWMOUT5
R29
(FAN)
R34
220K/ 791D
R
PWMOUT3/VID_V90
5VSB
CASEOPEN
SLOTOCC#
U1
W83791D
FANIN1
FANIN2
FANIN3
GNDD
VID2
VID4
SDA
VDD
SCL
LED
24
23
22
21
20
19
18
17
16
15
14
13
OUT3/VID90
VID4
GNDD
VDD
VID2
R?
1K
SDA
SCL
CAP
10u
5VSB
C5
FAN1IN
FAN2IN
FAN3IN
CASEOPEN
D?
R?
270
LED
Q?
MOSFET N
2N7000
SMI#/LEDOUT function circuit
CAP
0.1u
C6
TO CHIPSET
Publication Release Date: April 14, 2006
SDA
SCL
3VCC
Title
Size
Date:
WINBOND ELECTRONICS CORP.
Custom
R17
R
R19
R
VCC
R33
R
R
R32
{
0/791D
0/782D
W83782D-W83791D Application Circuit
Document Number
Tuesday, May 22, 2001
EXTSMI#
!!Only for 791D ver B.
THRM#
330
330
R130
3VCC
0/791d,B
3VSB
R30
R
4.7K
MR#
R15
R
10K/791D
W83791D/G
R20
R
4.7K
2
U7A
7404 /791d, B
R31
R
4.7K
R21
R
4.7K
SLOTOCC#
(From PII/PIII CPU)
Sheet
0: means CPU is present
1: means CPU is absent
R129
1
SMDAT
SMCLK
OVT#
0
1
Revision 1.1
R131
0/791d,B
SMI#
of
5
SMI#
Rev
0.2