W83791SD Datasheet, PDF (19/22 Pages) Winbond – H/W MONITORING IC

W83791SD/W83791SG
11. APPLICATION CIRCUITS
3VCC
R1
R
R
4.7K
SDA
R3 330
SCL
R4 330
R
R2
R
4.7K
SMDAT
SMCLK
+3.3V
R5
10K
GND
EVNTRAP1
EVNTRAP2
EVNTRAP3
EVNTRAP4
37
38 ^NC
39
40
41
42
43
GND
GND
GND
VDD
NC
44
45
46
47
NC
NC
EVNTRAP1
EVNTRAP2
48
EVNTRAP3
EVNTRAP4
GND
U1
VDD
24
23
NC ₂₂
SDA
SCL
VDD
VDD
VDD
21
20
19
18
17
VDD
GND
SLOTOCC#
GND
16
15
14
13
VDD
W83791SD
VCC
SDA
SCL
VCC
GND
GND
VCC
C1
CAP
10u
C2
CAP
0.1u
3VCC
R6
R
10K
VCC
SLOTOCC#
(From PII/PIII CPU)
0: means CPU is present
1: means CPU is absent
EOP
R8
220K
R
VCC
SPK
MODE
CTRL
DATA
CLKOUT
ADDR
NOTE :
The EVNTRAP1-5 trigger inputs default are low to high active.
R7
A0
4.7K
R9
A1
4.7K
VCC
I2C slave address is 0x5A.
- 16 -
WINBOND ELECTRONICS CORP.
Title
W83791SD Application Circuit
Size Document Number
B
Date: Tuesday, May 29, 2001
Rev
0.1
Sheet
1
of 3