Yamaha DME 32 Service Manual page 16

DME32
YSS910-S (XV988A00) DSP6 (Digital Signal Processor)
PIN
NAME I/O
NO.
1 Vdd Power supply (3.3 V)
2 Vss Ground
3 XI I System master clock input (60 MHz or 30 MHz)
4 XO O System master clock output (High or 30 MHz)
5 Vdd Power supply (5 V)
6 /SYNCI I Sync. signal input
7 /SYNCO O Sync. signal output
8 Vdd Power supply (5 V)
9 CKI I System clock input (30 MHz)
10 CKO O System clock output (30 MHz)
11 CKSEL I System master clock select (0: 60 MHz, 1: 30 MHz)
12 Vss Ground
13 MCKS I Serial I/O master clock input (128 x Fs)
14 /SSYNC I Serial I/O Sync. signal output
15 /IC I Initial clear
16 /TEST I Test mode setting (0: Test, 1: Normal)
17 BTYP I Data bus type select (0: 8 bit, 1: 16 bit)
18 /IRQ O IRQ output
19 TRIG I/O Trigger signal input/output
20 Vdd Power supply (5 V)
21 Vss Ground
22 /CS I chip select signal input
23 /WR I Write signal input
24 /RD I Read signal input
CA7 I/O
25
26 CA6 I/O
27 CA5 I/O
28 CA4 I/O Address bus of internal register
29 CA3 I/O
30 CA2 I/O
31 CA1 I/O
32 Vss Ground
33 Vdd Power supply (3.3 V)
34 CD15 I/O
CD14 I/O
35
36 CD13 I/O
37 CD12 I/O
38 CD11 I/O
Data bus of internal register
39 CD10 I/O
40 CD09 I/O
41 CD08 I/O
42 CD07 I/O
43 CD06 I/O
44 Vss Ground
Power supply (3.3 V)
45 Vdd
46 Vdd Power supply (5 V)
47 CD05 I/O
48 CD04 I/O
49 CD03 I/O
Data bus of internal register
50 CD02 I/O
51 CD01 I/O
52 CD00 I/O
53 /WAIT O WAIT output
54 Vss Ground
I
55 SI0
56 SI1 I
57 SI2 I
58 SI3 I
Serial data input
59 SI4 I
60 SI5 I
61 SI6 I
62 SI7 I
63 Vss Ground
64 Vdd Power supply (5 V)
65 SO0 O
66 SO1 O
67 SO2 O
68 SO3 O
Serial data output
69 SO4 O
70 SO5 O
71 SO6 O
72 SO7 O
73 Vss Ground
74 DB00 I/O
75 DB01 I/O
76 DB02 I/O
77 DB03 I/O
78 DB04 I/O
79 DB05 I/O
80 DB06 I/O Parallel data bus
81 DB07 I/O
82 DB08 I/O
83 DB09 I/O
84 DB10 I/O
85 DB11 I/O
86 DB12 I/O
87 Vdd Power supply (5 V)
88 Vdd Power supply (3.3 V)
16
FUNCTION
MAIN: IC77, 80, 83, 86, 89, 92, 95, 98, 101, 104
PIN
NAME I/O
NO.
89 Vss Ground
90 DB13 I/O
91 DB14 I/O
92 DB15 I/O
93 DB16 I/O
94 DB17 I/O
Parallel data bus
95 DB18 I/O
96 DB19 I/O
97 DB20 I/O
98 DB21 I/O
99 DB22 I/O
100 Vss Ground
101 Vdd Power supply (3.3 V)
102 DB23 I/O
103 DB24 I/O
104 DB25 I/O
105 DB26 I/O
106 DB27 I/O Parallel data bus
107 DB28 I/O
108 DB29 I/O
109 DB30 I/O
110 DB31 I/O
111 TIMO/DBOB I/O Timing signal output/ Parallel data bus output/ input
112 Vss Ground
113 Vdd Power supply (5 V)
114 DA00 I/O
115 DA01 I/O
116 DA02 I/O
117 DA03 I/O
Memory data bus
118 DA04 I/O
119 DA05 I/O
120 DA06 I/O
121 DA07 I/O
122 Vss Ground
123 DA08 I/O
124 DA09 I/O
125 DA10 I/O
126 DA11 I/O
Memory data bus
127 DA12 I/O
128 DA13 I/O
129 DA14 I/O
130 DA15 I/O
131 Vss Ground
132 Vdd Power supply (3.3 V)
133 (n.c) Not used
134 Vdd Power supply (5 V)
135 DA16 I/O
136 DA17 I/O
137 DA18 I/O
138 DA19 I/O
Memory data bus
139 DA20 I/O
140 DA21 I/O
141 DA22 I/O
142 DA23 I/O
143 Vss Ground
144 DA24 I/O
145 DA25 I/O
146 DA26 I/O
147 DA27 I/O
Memory data bus
148 DA28 I/O
149 DA29 I/O
150 DA30 I/O
151 DA31 I/O
152 Vdd Power supply (5 V)
153 Vss Ground
154 A00 O
155 A01 O
156 A02 O
157 A03 O
158 A04 O
Memory address (SRAM, PSRAM, DRAM)
159 A05 O
160 A06 O
161 A07 O
162 A08 O
163 A09 O
164 Vss Ground
165 Vdd Power supply (3.3 V)
166 A10 O
Memory address (SRAM, PSRAM, DRAM)
167 A11 O
168 A12 O
169 A13 O Memory address (SRAM, PSRAM)
170 A14 O
171 A15/RAS O Memory address (SRAM, PSRAM), /RAS (DRAM)
172 A16/CAS O Memory address (SRAM, PSRAM), /CAS (DRAM)
173 A17/CE O Memory address (SRAM), /CE (PSRAM)
174 /WE O Memory write enable signal
175 /OE O Memory output enable signal
176 Vdd Power supply (5 V)
FUNCTION