Pioneer DJM-1000, Руководство по обслуживанию

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DJM-1000
156
1 2 3 4
1 2 3 4
C
D
F
A
B
E
UBL
I/O
Control
I/O
Control
True Dual-Ported
RAM Array
Interrupt
Semaphore
Arbitation
Address
Decode
Address
Decode
84
R/WL 87
CEL 85
LBL
83
OEL
I/O8L-I/O15L
I/O0L-I/O7L
A0L-A11L
89
CEL
85
OEL 89
R/WL 87
SEML 86
CER
A0R-A11R
I/O0R-I/O7R
I/O8R-I/O15R
40
R/WR 37
UBR 41
CER 40
LBR
42
OER
36
OER 36
R/WR 37
SEMR 39
64
BUSYL
65
INTL
60
INTR
84
UBL
83
LBL
42
LBR
41
UBR
62
M/S
61
BUSYR
99,100,
5-8,10,11
90,91,
93-98
27-33,
35
14-16,
18-21,26
66-71,
76-81
44-50,
55-59
12/13/14 12/13/14
8/9
8/9 8/9
8/9
CY7C024AV-25AXC-K (DIGITAL MAIN ASSY : IC22)
• Dual-Port Static RAM
Pin Arrangement (Top view)
Block Diagram
100 99 97 98 96
2
3
1
42 41
59
60
61
12
13
15
14
16
4
5
40 39
95 94
17
26
9
10
8
7
6
11
27 28 30 29 31 32 35 34 36 37 38 33
67
66
64
65
63
62
68
69
70
75
73
74
72
71
89 88 86 87 85 93 92 84
NC
NC
NC
NC
A
5L
A
4L
INT
L
A
2L
A
0L
BUSY
L
GND
INT
R
A
0R
A
1L
NC
NC
NC
NC
I/O
10L
I/O
11L
I/O
15L
V
CC
GND
I/O
1R
I/O
2R
V
CC
90 91
A
3L
M/S
BUSY
R
I/O
14L
GND
I/O
12L
I/O
13L
A
1R
A
2R
A
3R
A
4R
NC
NC
NC
NC
I/O
3R
I/O
4R
I/O
5R
I/O
6R
NC
NC
NC
NC
18
19
20
21
22
23
24
25
83 82 81 80 79 78 77 76
58
57
56
55
54
53
52
51
43 44 45 46 47 48 49 50
I/
O
9L
I/
O
8L
I/
O
7L
I/
O
6L
I/
O
5L
I/
O
4L
I/
O
3L
I/
O
2L
GND I/
O
1L
I/
O
0L
OE
L
SE
V
CC
CE
L
UB
L
LB
L
NC
A
11
A
10
A
9L
A
8L
A
7L
A
6L
I/O
0R
I/
O
7R
I/
O
8R
I/
O
9R
I/O
10
R
I/O
11
R
I/O
12
R
I/O
13
R
I/O
14
R
GND
I/O
15
R R
R/W
R
GND
OE
SE
M
R
CE
R
UB
R
LB
R
NC
A
11
R
A
10
R
A
9R
A
8R
A
7R
A
6R
A
5R
R/
W