Yamaha SPX1000 Service Manual page 10

SPX1000
SPX1000
•
YM6007
(XF164A00) DSP
2
(Digital
Signal
Processor
2)
PIN
NO.
NAME
I/O
FUNCTION
PIN
NO.
NAME
I/O
FUNCTION
1
D18
I/O
1
65
NC
2
D17
I/O
Data bus
66
CDO 0
Serial
control
data output
3
D16
I/O
67 CDI
1
Serial
control data input
4 NC
68 Vdd
Power
supply
5 V.DD
Power
supply
69
SIO
1
Serial data input
(28bitx4ch)
6
D15
I/O
70
NC
7
NC
71
NC
8
NC 72
SI1
1
Serial
data input
(28bitx4ch)
9
D14
I/O
73
SI2
1
Serial
data input
(28bitx 2ch)
10
NC
74
SOO
0
Serial data output
(28bit x 4ch)
1
1
D13
I/O
75
NC
12
D12
I/O
76 SOI
0
Serial
data output
(28bitx4ch)
13 Dll
I/O
77
S02
0
Serial
data output (28bitx 2ch)
14
NC 78 SCLK
0
Clock (64bit/sample)
15
DIO
I/O
79
NC
16
NC 80
NC
17
NC 81
NC
18
19
D9
D8
I/O
I/O
Data bus
82
83
NC
TRGO
0
Trigger output
20
D7
I/O
84 TRGI
1
Trigger input
21
NC
85 DCLK
1
Clock (Master
clock x
2)
22
D6
I/O
86
SYW
1
Synch,
pulse
23
D5
I/O
87
1C
1
Initial
clear
24
NC 88
NC
25
D4
I/O
89
MRQ 0
Control data
receival
26
NC 90
MDAO
1
27
D3
I/O
;i
91
NC
28
NC
92
NC
Serial
mode:
Internal register select
29
D2
I/O
93
MDA1
1
Parallel
mode: CDI,
CDO
data format
30 D1
I/O
select
31
DO
I/O
94
MDA2
1
32
NC 95
NC
33
CAS 0 CAS
control
96
MWE
1
MD
pin input strobe
34
RAS 0 RAS
control
97
MOE
1
MD
pin
output strobe
35
A9 0
Address bus
98
MDS
1
Communication
mode
select
36
A8 0
(0:
serial
1
:
parallel)
37
Vss
Ground 99
MD7
I/O
38
A7 0 100
MD6
I/O
39
NC
101
NC
40
A6
0 102
NC
41
.
NC 103
MD5
I/O
42
A5 0 104
NC
I/O
Parallel
data
43
NC 105
MD4
44
A4
0 106
NC
45
A3
0 107
MDS
I/O
46
NC
Address bus
108
MD2
I/O
47
NC 109
MD1
I/O
48 NC 110
MDO
I/O
49 NC
111
NC
50
NC 112
NC
51
NC 113 D27
I/O
52
A2
0
114
NC
53
A1 0 115
D26
I/O
54
AO 0
116
NC
55
WE
0
Write
control
117 D25
I/O
56
OE
0
Output enable
118
D24
I/O
57
NC 119
NC
58
DBOE
1
Memory
data
bus output enable
120
D23
I/O
Memory
data
59
NC
121
NC Ground
60 TIM1
0
Timing pulse
122
NC
61
TST
Test
pin
123
D22
I/O
62
CRS
I/O
Reset
(Serial
mode:l
124 Vss
Parallel
mode:
0)
125
NC
63
NC 126 D21
I/O
64 XCLK
1
Shift
clock
for serial control
data
127
D20
I/O
128
D19
I/O
1
1
•
YM3422
XE862001)
ES
1
PIN
NO.
NAME
I/O
FUNCTION
PIN
NO.
NAME
I/O
FUNCTION
1
Vss Ground 9
MO
1
1
2 SIO
1
Serial
data input
0 10
Ml
1
[
Mode
select
3
SOO
0
Serial
data output
0
1
1
M2
4
BCO
1
Clock
CHO
12
M3
J
5
WCO
1
W-clockCHI
13
WC1
1
W-clock
CHI
6
SI2
1
Serial
data input 2
14
BC1
1
Clock
CHI
7
S02 0
Serial
data output 2 15
SOI
0
Serial
data output
1
8
Vdd Power
supply
16
SI1
1
Serial
data input
1