W83791D Datasheet, PDF (42/46 Pages) Winbond – W83791D Winbond H/W Monitoring IC

W83791D
VOLTAGE SENSING
VREF
CPUVCOA
GTLVOLT
3VCC
+12V
+5V
5VSB
R10 R
56K 1%
R4
R
28K 1%
R1
R
10K
R2
R
10K
R3
R
VCORE
VINR0
3VIN
10K
+12VIN
R5
R
10K 1%
GNDA
R6
R
34K 1%/791D
0 /782D
VINR1
R7
GNDA
R
50K 1%/791D
R8
R
5.1K 1%/782D
0 /791D
+5VSB
R9
GNDA
R
7.5K 1%/782D
R11 R
232K 1%
-12V
-12VIN
R12
R
56K 1%
R13 R
120K 1%
-5V
-5VIN
ADRMSELIN
IRQ/GPIO10
R14
R
0/782D
R16
R
0/791D
/782D : Only for W83782D
/791D : Only for W83791D
+5VSB
+5V
L1
INDUCTOR
FB/791D
C1
CAP
10u/791D
L2
INDUCTOR
FB/782D
C3
CAP
10u/782D
C2
CAP
0.1u/791D
C4
CAP
0.1u/782D
SMI#
LED
R? 0
R? 0/791D
GNDA
GNDA
L3
INDUCTOR
FB
GNDD
Select one of the two setting.(FOR 782D)
Set A2-A0 as 3 lowest order
bits of ISA address bus
ADRMSELIN
SA2
SA1
SA0
R35
R36
R37
0R
0R
0R
SMI#/LED
EVNT1/A2
EVNT2/A1
EVNT3/A0
FAN4IN
EVNT2/A1
FAN5IN
EVNT3/A0
R18
T3
T2
0/791D (FAN)
T1
R22
0/791D (EVNT2)
R23
EVNT1/A2
0/791D (FAN)
R24
0/791D (EVNT3)
R25
VREF
VID0
OVT#
SMI#/LED
EVNT4
PWMOUT4
0/791D (EVNT4)
R26
R
0/791D(FAN)
CS#
R27
0/782D
R
Beep Circuits
VCC
R39
R
10K
R38
R
100
LS1
37
38
VREF
39
40
41
42
43
VTIN3/PIITD3
VTIN2/PIITD2
VTIN1/PIITD1
VID0
OVT#
44
45
IRQ/GPIO10
SMI#/LEDOUT
46
47
48
EVNTRAP1/GPIO5
EVNTRAP2/GPIO6/FANIN4
EVNTRAP3/GPIO7/FANIN5
EVNTRAP4/GPIO8/PWMOUT4
R28
R29
0/791D 0/791D
(EVNT5) (FAN)
EVNT5/IOR#
PWMOUT5
Set A2-A0 as bit2, bit1, bit0
of 7 bit I2C address setting
VCC
IA2
IA1
IA0
ADRMSELIN
R41
R42
R43
0R
0R
0R
EVNT1/A2
EVNT2/A1
EVNT3/A0
BEEP
R40
R 510
BUZZER
Q1
NPN
3904
Preliminary
3VCC
SDA
SCL
R
R32 330
R33 330
R
R30
R
4.7K
R31
R
4.7K
SMDAT
SMCLK
3VSB
U1
24
VID2
PWMOUT3/VID_V90
23
22
SDA
SCL
FANIN1
FANIN2
FANIN3
21
20
19
18
17
VID4
CASEOPEN
16
15
SLOTOCC#
GNDD
VDD
14
13
VID2
OUT3/VID90
SDA
SCL
VID4
GNDD
VDD
FAN1IN
FAN2IN
FAN3IN
CASEOPEN
C5
CAP
10u
C6
CAP
0.1u
R17
R 0/791D
R19
R 0/782D
VCC
R15
R
10K/791D
MR#
SLOTOCC#
(From PII/PIII CPU)
0: means CPU is present
1: means CPU is absent
W83791D
R34
220K/ 791D
R
5VSB
LED
SMI#/LEDOUT function circuit
5VSB
R?
270
3VCC
R20
R
4.7K
R?
1K
D?
TO CHIPSET
{THRM#
EXTSMI#
LED
R21
R
4.7K
OVT#
R129
0
SMI#
Q?
MOSFET N
2N7000
R130
U7A
2
1
0/791d,B
7404 /791d, B
!!Only for 791D ver B.
R131
SMI#
0/791d,B
WINBOND ELECTRONICS CORP.
Title
W83782D-W83791D Application Circuit
Size
Document Number
Custom
Date:
Tuesday, May 22, 2001
Sheet
Rev
0.2
1
of
5
35
Publication Release Date: Aug, 2001
Revision 0.41