SNC735
16-bit Voice Processor
VDD (4.5V)
U1
SNC735
R2 360
3
6
VDD
VDD
VDD
VDD
CVDD
CVDD
LXIN
VDD (4.5V)
14
29
42
25
41
C5
4.7u
C4
47u
C6
0.1u
R1
220K
40
LXOUT
23
8
RST
VDD (4.5V)
C1
0.1u
TEST
CKSEL
9
330
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
7
10
11
12
13
16
17
18
330
330
330
330
330
330
330
45
46
XIN
C2 15p
Y1
16MHz
XOUT
C3 15p
LS1
2
4
19
20
21
22
26
27
28
30
BP0
BN0
P0.8
P0.9
SPEAKER
P0.10
P0.11
P0.12
P0.13
P0.14
P0.15
43
VO
TR1
31
32
33
34
P1.0
P1.1
P1.2
P1.3
TR2
TR3
TR4
TR5
35
36
38
39
P1.4
P1.5
P1.6
P1.7
TR6
TR7
TR8
4.5V, 16MHz Crystal, PWM
Note:
1. All the ”VDD” should be connected together before connected to the power source
which with a 47uF(C4) capacitor.
2. The capacitor “C5” is near the “CVDD” pin.
12
Ver: 1.2
October 23, 2002