Yamaha DME24N Service Manual page 35

YSS919B-H (XZ693B00) DSP7 (Digital Signal Processor)
PIN
NAME I/O
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)
/SSYNC I
10 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
Vss
23 Ground
24 Vdd Power supply (3.3 V)
CPU data bus / CPU address bus
25 CD31/CA1 I/O
26 CD30 I/O
27 CD29 I/O
CD28
28 I/O
CPU data bus
29 CD27 I/O
30 CD26 I/O
CD25 I/O
31
32 CD24 I/O
33 Vdd
Power supply (2.5 V)
34 Vss
Ground
35 CD23 I/O
CD22
36 I/O
37 CD21 I/O
38 CD20 I/O
CPU data bus
39 CD19 I/O
40 CD18 I/O
CD17
41 I/O
42 CD16 I/O
43 Vss
Ground
Vdd
44 Power supply (3.3 V)
45 CD15 I/O
46 CD14 I/O
47 CD13 I/O
48 CD12 I/O
CPU data bus
CD11
49 I/O
50 CD10 I/O
51 CD09 I/O
CD08
52 I/O
53 Vss
Ground
CD07
54 I/O
55 CD06 I/O
56 CD05 I/O
CD04
57 I/O
CPU data bus
58 CD03 I/O
CD02
59 I/O
60 CD01 I/O
61 CD00 I/O
/WAIT
62 O Wait output
63 Vdd
Power supply (2.5 V)
64 Vss
Ground
Vdd
65
Power supply (3.3 V)
66 SIO00 I/O
SIO01
67 I/O
68 SIO02 I/O
69 SIO03 I/O
Serial data bus
SIO04
70 I/O
71 SIO05 I/O
SIO06
72 I/O
SIO07
73 I/O
74 Vss Ground
SIO08
75 I/O
76 SIO09 I/O
77 SIO10 I/O
SIO11
78 I/O
Serial data bus
79 SIO12 I/O
SIO13
80 I/O
SIO14 I/O
81
82 SIO15 I/O
Vss
83 Ground
84 Vdd
Power supply (3.3 V)
SIO16
85 I/O
SIO17
86 I/O
87 SIO18 I/O
SIO19
88 I/O
Serial data bus
89 SIO20 I/O
90 SIO21 I/O
SIO22
91 I/O
92 SIO23 I/O
Vdd
93 Power supply (2.5 V)
Vss
94 Ground
95 SIO24 I/O
SIO25
96 I/O
97 SIO26 I/O
SIO27
98 I/O
Serial data bus
SIO28
99 I/O
100 SIO29 I/O
SIO30
101 I/O
SIO31 I/O
102
Vss
103 Ground
Vdd
104 Power supply (3.3 V)
PIN
FUNCTION
NO.
DME64N DSP: IC404, 405, 410, 411, 500, 502
NAME I/O
105 SIO32 I/O
106 SIO33 I/O
107 SIO34 I/O
108 SIO35 I/O
Serial data bus
109 SIO36 I/O
110 SIO37 I/O
111 SIO38 I/O
112 SIO39 I/O
113 Vdd Power supply (2.5 V)
Vss
114
Ground
115 SIO40 I/O
116 SIO41 I/O
117 SIO42 I/O
118 SIO43 I/O
Serial data bus
119 SIO44 I/O
120 SIO45 I/O
121 SIO46 I/O
122 SIO47 I/O
123 Vss
Ground
124 Vdd
Power supply (3.3 V)
125 SIO48 I/O
126 SIO49 I/O
127 SIO50 I/O
128 SIO51 I/O
Serial data bus
129 SIO52 I/O
130 SIO53 I/O
131 SIO54 I/O
132 SIO55 I/O
133 Vss Ground
134 SIO56 I/O
SIO57 I/O
135
136 SIO58 I/O
137 SIO59 I/O
Serial data bus
138 SIO60 I/O
139 SIO61 I/O
140 SIO62 I/O
141 SIO63 I/O
142 Vdd Power supply (2.5 V)
143 Vss
Ground
144 Vdd
Power supply (3.3 V)
145 DA00 I/O
146 DA01 I/O
147 DA02 I/O
DA03
148 I/O
Memory data bus
149 DA04 I/O
150 DA05 I/O
151 DA06 I/O
152 DA07 I/O
153 Vss
Ground
154 DA08 I/O
155 DA09 I/O
DA10
156 I/O
157 DA11 I/O
Memory data bus
158 DA12 I/O
159 DA13 I/O
160 DA14 I/O
DA15
161 I/O
162 Vss
Ground
163 Vdd
Power supply (3.3 V)
164 DA16 I/O
165 DA17 I/O
166 DA18 I/O
167 DA19 I/O
Memory data bus
168 DA20 I/O
DA21
169 I/O
170 DA22 I/O
171 DA23 I/O
172 Vdd Power supply (2.5 V)
173 Vss
Ground
174 DA24 I/O
175 DA25 I/O
176 DA26 I/O
DA27
177 I/O
Memory data bus
178 DA28 I/O
179 DA29 I/O
180 DA30 I/O
181 DA31 I/O
Vss Ground
182
183 Vdd Power supply (3.3 V)
Memory write enable signal
184 /WE O
/CAS O Column address strobe
185
Clock (SDRAM)
186 SDCK O
CKE (SDRAM)
187 CKE O
Row address strobe
188 /RAS O
Power supply (2.5 V)
189 Vdd
Ground
Vss
190
191 BA1 O
Bank select (SDRAM)
192 BA0 O
193 A12 O
194 A11 O
A10 Memory address (SDRAM, DRAM)
195 O
196 A09 O
197 A08 O
Vss
198 Ground
199 Vdd
Power supply (3.3 V)
200 A07 O
201 A06 O
202 A05 O
A04
203 O
Memory address (SDRAM, DRAM)
204 A03 O
205 A02 O
A01 O
206
207 A00 O
Vss
208 Ground
DME24N/DME64N
DME24N DSP: IC404, 405, 500, 502
CA: IC300
FUNCTION
35