W83783S_07 WINBOND [Winbond], W83783S_07 Datasheet - Page 56

• Manufacturer Part Number: W83783S_07
• Description: Winbond H/W Monitoring IC
• Manufacturer: WINBOND [Winbond]

11. APPLICATION CIRCUIT OF WINBOND W83783S
TO PIIX4
Beep Circuits
BEEP/GPO#
Fan Speed Control Circuit
{
SDA
SCL
3VCC
EXTSMI#
(CPU FAN)
PWMOUT1
THRM#
+12V
3VCC
JP2
HEADER 3
R
R3
R
R4
R2
R
510
3
2
1
0
1N4148
VCC
0
R12
R
10K
R21
D2
R7
R
4.7K
R5
R
4.7K
510
R8
R
4.7K
100
R24
4.7K
R13
R
Q1
NPN
3904
R23
OVT#
SMI#
LS1
SPEAKER
R6
R
4.7K
R20
R19
Q3
MOSFET N
2N7002
27K
4.7K
1K
SMDAT
SMCLK
R22
10K
CLKIN
FANIN2
C3
47u
Q2
3906
+
(SYSTEM FAN)
+12V
JP1
HEADER 3
3
2
1
VID4
FANIN1
FANIN2
PWMOUT1
OVT#
BEEP/GPO#
VID3
SMI#
SCL
SDA
1N4148
D1
10
11
12
R18
4.7K
1
2
3
4
5
6
7
8
9
U1
VID4
FANIN1
FANIN2
FANIN3/PWMOUT1
OVT#
BEEP/GPO#
VID3
CLKIN
SMI#/PWMOUT2
GNDD
SCL
SDA
W83783S
R17
27K
R16
10K
FANIN1
-5VIN/VT2/PII2
VT1/PII1
+3.3VIN
VCORE
+12VIN
-12VIN
GNDA
VREF
VCC
VID0
VID1
VID2
CAP
10u
-52-
C1
24
23
22
21
20
19
18
17
16
15
14
13
+3.3VIN
VCC
+12VIN
-12VIN
-5VIN
VT1/PII1
VREF
VCORE
GNDA
VID0
VID1
VID2
C2
CAP
0.1u
L1
FB
INDUCTOR
CPU Voltage ID output
PIIVID4
PIIVID3
PIIVID2
PIIVID1
PIIVID0
3VCC
1. VT1 is for CPU temperature
2. VT2 is for SYSTEM temperature
TEMPERATURE SENSORING CIRCUIT
R25
10K
(Select one of the
Note:
VOLTAGE SENSORING CIRCUIT
VREF
VREF
following method)
VREF
R26
10K
+12VIN
VCORE
+3.3VIN
GNDA
R32
R10
R27
10K
56K 1%
PIID+
56K 1%
PIID-
10K 1%
Title
Size
Custom
Date:
R30
R14
10K 1%
R
30K 1%
R
R31
R9
10K
R1
10K
R28
10K
R
Document Number
Wednesday, July 22, 1998
R
R
R
R
R15
28K 1%
R29
10K
120K 1%
232K 1%
VID4
VID3
VID2
VID1
VID0
-12VIN
R33
R11
-5VIN
R
WINBOND ELECTRONICS CORP.
R
W83783S Application Circuit
R
THERMISTOR
RT1
CPU_VCORE
3VCC
-12V
+12V
CAPACITOR NON-POL
10K 1%
3300p
VT1/PII1
VT1/PII1
Sheet
C4
GNDA
-5V
GNDA
1
W83783S
of
1
Rev
0.2