SYSTEM RESET
CPU_RST
1
2
3
U18A
74F08
E5
1
G5
8
DSPRST
4
5
6
U18B
74F08
C2
1
+5V
D
12
Q
9
CK
11
Q
8
P
R
1
0
C
L
1
3
U16B
74F5074
C3
1
A5
8
CK40-0
RST40
RSTH
+5V
R18
49.9
C100
220PF
D3
7
+5V
C104
470 PF
RST
1
VCC
3
GND
2
GND
4
U17
DS1233SOT223
MASTER RESET
RSTON
+5V
+5V
DF2
S1
R147
R148
+5V
D
2
Q
5
CK
3
Q
6
P
R
4
C
L
1
U16A
74F5074
NOT INSTALLED
+5V
+5V
DF0
DF0
DF1
DF3
DF2
DF3
R140
R141
R142
R143
R150
R149
CK40-0
CK40-2
CK40-6
CK40-4
CK40-3
1F0
26
1F1
27
2F0
29
2F1
30
1Q0
24
1Q1
23
2Q0
20
2Q1
19
3F0
4
3F1
5
4F0
6
4F1
7
3Q0
15
3Q1
14
4Q0
11
4Q1
10
FB
17
REF
1
FS
3
TEST
31
VCCQ
2
VCCQ
8
VCCN
9
VCCN
16
VCCN
18
VCCN
25
GND
12
GND
13
GND
21
GND
22
GND
28
GND
32
U19
CY7B992PLCC
CK40-2
CK40-3
R22
49.9
C105
220PF
R20
49.9
C102
220PF
F3
6
C3
5
C4
8
CK40-6
CK40-4
R25
49.9
C108
220PF
R23
49.9
C106
220PF
F4
7
C3
3
C3
7
+5V
DF1
+5V
+5V
R21
49.9
C103
220PF
OUT
8
VCC
14
GND
7
NC
1
Y1
66.666 MHZ
+5V +5V
C2
0.1UF
C1
0.01UF
+5V +5V +5V +5V +5V
C3
0.01UF
C4
0.1UF
C5
0.01UF
C6
0.1UF
C7
0.01UF
TP3TP2
+5V +5V +5V +5V +5V
C8
0.1UF
C9
0.01UF
C10
0.1UF
C11
0.01UF
C12
0.1UF
TP4
TP5
+5V +5V +5V +5V +5V
C17
0.01UF
C16
0.1UF
C15
0.01UF
C14
0.1UF
C13
0.01UF
+5V +5V +5V +5V +5V
C18
0.1UF
C19
0.01UF
C20
0.1UF
C21
0.01UF
C22
0.1UF
+5V +5V
C23
0.01UF
C24
0.1UF
+5V +5V
+5V +5V
+5V
C48
0.1UF
C47
0.01UF
C72
0.1UF
C71
0.01UF
C90
10UF
+5V +5V +5V +5V +5V
+5V +5V +5V +5V +5V
+5V +5V +5V +5V+5V
C42
0.1UF
C46
0.1UF
C45
0.01UF
C44
0.1UF
C43
0.01UF
C66
0.1UF
C70
0.1UF
C69
0.01UF
C68
0.1UF
C67
0.01UF
C85
220UF
C87
10UF
C86
10UF
C88
10UF
C89
10UF
+5V +5V +5V +5V +5V
+5V +5V +5V +5V +5V
+5V +5V +5V +5V
C37
0.01UF
C38
0.1UF
C39
0.01UF
C40
0.1UF
C41
0.01UF
C61
0.01UF
C62
0.1UF
C63
0.01UF
C64
0.1UF
C65
0.01UF
C84
0.1UF
C83
0.01UF
C151
0.01UF
C152
0.1UF
+5V +5V +5V +5V +5V
+5V +5V +5V +5V +5V
+5V +5V +5V +5V +5V
C32
0.1UF
C33
0.01UF
C34
0.1UF
C35
0.01UF
C36
0.1UF
C60
0.1UF
C59
0.01UF
C58
0.1UF
C57
0.01UF
C56
0.1UF
C78
0.1UF
C82
0.1UF
C81
0.01UF
C80
0.1UF
C79
0.01UF
+5V +5V +5V +5V +5V
+5V +5V +5V +5V +5V
+5V +5V +5V +5V +5V
C30
0.1UF
C29
0.01UF
C28
0.1UF
C27
0.01UF
C31
0.01UF
C51
0.01UF
C52
0.1UF
C53
0.01UF
C54
0.1UF
C55
0.01UF
C73
0.01UF
C74
0.1UF
C75
0.01UF
C76
0.1UF
C77
0.01UF
+5V +5V
+5V +5V
C26
0.1UF
C25
0.01UF
C49
0.01UF
C50
0.1UF
AM 700 RESET & CLOCKS
PART OF A7 DSP BOARD
2
CLOCK OSCILLATOR
DSP CLOCK GENERATOR
DECOUPLING CAPACITORS