Yamaha AD8HR Service Manual page 15

YSS919B-H (XZ693B00) DSP7 (Digital Signal Processor)
PIN
I/O
NAME
NO.
1 PLLEN I PLL enable input (0: PLL unuse, 1: PLL use)
2 /TEST I Test mode setting (0: TEST, 1: Normal)
3 AVss Analog ground
4 CPO PLL filter
5 AVdd Power supply (2.5 V)
6 Vss Ground
7 Vdd Power supply (3.3 V)
8 /IC I Initial clear
9 /MUTE I Mute control (0: SIO mute, 1: SIO normal in-out)
10 /SSYNC I Serial I/O Sync. signal input
11 MCKS I Serial I/O master clock input (128 x Fs)
12 XI I System master clock input (60 MHz or 15 MHz)
13 BTYP I Data bus type select (0: 16 bits, 1: 32 bits)
14 /CS I Chip select
15 /WR I Write enable input
16 /RD I Read enable input
17 CA7 I
18 CA6 I
19 CA5 I
CPU address bus
20 CA4 I
21 CA3 I
22 CA2 I
23 Vss Ground
24 Vdd Power supply (3.3 V)
25 CD31/CA1 I/O CPU data bus / CPU address bus
26 CD30 I/O
27 CD29 I/O
28 CD28 I/O
29 CD27 I/O CPU data bus
30 CD26 I/O
31 CD25 I/O
32 CD24 I/O
33 Vdd Power supply (2.5 V)
34 Vss Ground
35 CD23 I/O
36 CD22 I/O
37 CD21 I/O
38 CD20 I/O
CPU data bus
39 CD19 I/O
40 CD18 I/O
41 CD17 I/O
42 CD16 I/O
43 Vss Ground
44 Vdd Power supply (3.3 V)
45 CD15 I/O
46 CD14 I/O
47 CD13 I/O
48 CD12 I/O
CPU data bus
49 CD11 I/O
50
CD10 I/O
51 CD09 I/O
52 CD08 I/O
53
Vss Ground
54 CD07 I/O
55 CD06 I/O
56 CD05 I/O
57 CD04 I/O
CPU data bus
58 CD03 I/O
59 CD02 I/O
60 CD01 I/O
61 CD00 I/O
62 /WAIT O Wait output
63 Vdd Power supply (2.5 V)
64 Vss Ground
65 Vdd Power supply (3.3 V)
66 SIO00 I/O
67 SIO01 I/O
68 SIO02 I/O
69 SIO03 I/O
Serial data bus
70 SIO04 I/O
71 SIO05 I/O
72 SIO06 I/O
73 SIO07 I/O
74 Vss Ground
75 SIO08 I/O
76 SIO09 I/O
77 SIO10 I/O
78 SIO11 I/O
Serial data bus
79 SIO12 I/O
80 SIO13 I/O
81 SIO14 I/O
82 SIO15 I/O
83 Vss Ground
84 Vdd Power supply (3.3 V)
85 SIO16 I/O
86 SIO17 I/O
87 SIO18
I/O
88 SIO19 I/O
Serial data bus
89 SIO20 I/O
90 SIO21
I/O
91 SIO22 I/O
92 SIO23 I/O
93
Vdd Power supply (2.5 V)
94 Vss Ground
95 SIO24 I/O
96
SIO25 I/O
97 SIO26 I/O
98 SIO27 I/O
Serial data bus
99
SIO28 I/O
100 SIO29 I/O
101 SIO30 I/O
102
SIO31 I/O
103 Vss Ground
104 Vdd Power supply (3.3 V)
PIN
FUNCTION
NO.
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
I/O
NAME
SIO32 I/O
SIO33 I/O
SIO34 I/O
SIO35 I/O
Serial data bus
SIO36 I/O
SIO37 I/O
SIO38 I/O
SIO39 I/O
Vdd Power supply (2.5 V)
Vss Ground
SIO40 I/O
SIO41 I/O
SIO42 I/O
SIO43 I/O
Serial data bus
SIO44 I/O
SIO45 I/O
SIO46 I/O
SIO47 I/O
Vss Ground
Vdd Power supply (3.3 V)
SIO48 I/O
SIO49 I/O
SIO50 I/O
SIO51 I/O
Serial data bus
SIO52 I/O
SIO53 I/O
SIO54 I/O
SIO55 I/O
Vss Ground
SIO56 I/O
SIO57 I/O
SIO58 I/O
SIO59 I/O
Serial data bus
SIO60 I/O
SIO61 I/O
SIO62 I/O
SIO63 I/O
Vdd Power supply (2.5 V)
Vss Ground
Vdd Power supply (3.3 V)
DA00 I/O
DA01 I/O
DA02 I/O
DA03 I/O
Memory data bus
DA04 I/O
DA05 I/O
I/O
DA06
DA07 I/O
Vss Ground
DA08 I/O
DA09 I/O
DA10 I/O
DA11 I/O
Memory data bus
DA12 I/O
DA13 I/O
DA14 I/O
DA15 I/O
Vss Ground
Vdd Power supply (3.3 V)
DA16 I/O
DA17 I/O
DA18 I/O
DA19 I/O
Memory data bus
DA20 I/O
DA21 I/O
DA22 I/O
DA23 I/O
Vdd Power supply (2.5 V)
Vss Ground
DA24 I/O
DA25 I/O
DA26 I/O
DA27 I/O
Memory data bus
DA28 I/O
DA29 I/O
DA30 I/O
DA31 I/O
Vss Ground
Vdd Power supply (3.3 V)
/WE O Memory write enable signal
/CAS O Column address strobe
SDCK O Clock (SDRAM)
CKE O CKE (SDRAM)
/RAS O Row address strobe
Vdd Power supply (2.5 V)
Vss Ground
BA1 O
Bank select (SDRAM)
BA0 O
A12 O
A11
O
A10 O Memory address (SDRAM, DRAM)
A09 O
A08 O
Vss Ground
Vdd Power supply (3.3 V)
A07 O
A06 O
A05 O
A04 O
Memory address (SDRAM, DRAM)
A03 O
A02 O
A01 O
A00 O
Vss Ground
AD8HR
MAIN: IC902
FUNCTION
15