Yamaha AFC1 Service Manual page 14

AFC1
YSS910-S (XV988A00) DSP6 (Digital Signal Processor)
PIN
NAME I/O
NO.
1 Vdd
2 Vss
3 XI I
4 XO O
5 Vdd
6 /SYNCI I
O
7 /SYNCO
8 Vdd
9 CKI I
10 CKO O
11 CKSEL I
12 Vss
13 MCKS I
14 /SSYNC I
15 /IC I
16 /TEST I
I
17 BTYP
18 /IRQ O
19 TRIG I/O
20 Vdd
21 Vss
22 /CS I
23 /WR I
24 /RD I
25 CA7 I/O
26 CA6 I/O
I/O
27 CA5
28 CA4 I/O
29 CA3 I/O
30 CA2 I/O
31 CA1 I/O
32 Vss
33 Vdd
34 CD15 I/O
35 CD14 I/O
36 CD13 I/O
I/O
37 CD12
38 CD11 I/O
39 CD10 I/O
40 CD09 I/O
41 CD08 I/O
42 CD07 I/O
43 CD06 I/O
44 Vss
45 Vdd
46 Vdd
CD05 I/O
47
48 CD04 I/O
49 CD03 I/O
50 CD02 I/O
51 CD01 I/O
52 CD00 I/O
53 /WAIT O
54 Vss
55 SI0 I
56 SI1 I
SI2 I
57
58 SI3 I
59 SI4 I
60 SI5 I
61 SI6 I
62 SI7 I
63 Vss
64 Vdd
65 SO0 O
66 SO1 O
SO2 O
67
68 SO3 O
69 SO4 O
70 SO5 O
71 SO6 O
72 SO7 O
73 Vss
74 DB00 I/O
75 DB01 I/O
76 DB02 I/O
DB03 I/O
77
78 DB04 I/O
79 DB05 I/O
80 DB06 I/O
81 DB07 I/O
82 DB08 I/O
83 DB09 I/O
84 DB10 I/O
85 DB11 I/O
86 DB12 I/O
Vdd
87
88 Vdd
14
FUNCTION
Power supply (3.3 V)
Ground
System master clock input (60 MHz or 30 MHz)
System master clock output (High or 30 MHz)
Power supply (5 V)
Sync. signal input
Sync. signal output
Power supply (5 V)
System clock input (30 MHz)
System clock output (30 MHz)
System master clock select (0: 60 MHz, 1: 30 MHz)
Ground
Serial I/O master clock input (128 x Fs)
Serial I/O Sync. signal output
Initial clear
Test mode setting (0: Test, 1: Normal)
Data bus type select (0: 8 bit, 1: 16 bit)
IRQ output
Trigger signal input/output
Power supply (5 V)
Ground
chip select signal input
Write signal input
Read signal input
Address bus of internal register
Ground
Power supply (3.3 V)
Data bus of internal register
Ground
Power supply (3.3 V)
Power supply (5 V)
Data bus of internal register
WAIT output
Ground
Serial data input
Ground
Power supply (5 V)
Serial data output
Ground
Parallel data bus
Power supply (5 V)
Power supply (3.3 V)
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)
MAIN: IC077, 080, 083, 086, 089,
092, 095, 098, 101, 104
FUNCTION