W83791SD Information Storage Devices, Inc, W83791SD Datasheet - Page 19

• Manufacturer Part Number: W83791SD
• Description: Programmable Speech Synthesizer With 133 Int/ext Event Triggers
• Manufacturer: Information Storage Devices, Inc

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