Tc203C760Hf-002 (Xs725A00) - Yamaha Portatone PSR-740 Service Manual

PSR-740/PSR-640

TC203C760HF-002 (XS725A00)

SWP30B (AWM Tone Generator coped with MEG) Standard Wave Processor (
PIN
NAME I/O
NO.
1 Vss
2 CA0 I
3 CA1 I
4 CA2 I
5 CA3 I
6 CA4 I
7 CA5 I
8 CA6 I
9 CA7 I
10 CA8 I
11 CA9 I
12 CA10 I
13 CA11 I
14 VSS
15 CD0 I/O
16 CD1 I/O
17 CD2 I/O
18 CD3 I/O
19 CD4 I/O
20 CD5 I/O
21 CD6 I/O
22 CD7 I/O
23 CD8 I/O
24 CD9 I/O
25 CD10 I/O
26 CD11 I/O
27 CD12 I/O
28 CD13 I/O
29 CD14 I/O
30 VDD
31 VSS
32 CD15 I/O
33 /CS I
34 /WR I
35 /RD I
36 VDDS
37 SYSH0 O
38 SYSH1 O
39 SYSH2 O
40 SYSH3 O
41 SYSH4 O
42 SYSH5 O
43 SYSH6 O
44 SYSH7 O
45 KONO0 O
46 KONO1 O
47 KONO2 O
48 KONO3 O
49 VSS
50 SYSL0 I/O
51 SYSL1 I/O
52 SYSL2 I/O
53 SYSL3 I/O
54 SYSL4 I/O
55 SYSL5 I/O
56 SYSL6 I/O
57 SYSL7 I/O
58 KONI0 I
59 KONI1 I
60 VDDS I
61 VSS
62 KONI2 I
63 KONI3 I
64 DAC0 O
65 DAC1 O
66 WCLK O
67 MELO0 O
68 MELO1 O
69 MELO2 O
70 MELO3 O
71 MELO4 O
72 MELO5 O
73 MELO6 O
74 MELO7 O
75 VDDS
76 ADLR O
77 MELI0 I
78 MELI1 I
79 MELI2 I
80 MELI3 I
81 MELI4 I
82 MELI5 I
83 MELI6 I
84 MELI7 I
85 VSS
86 /RCAS O
87 RA8 O
88 RA7 O
89 RA6 O
90 VDD
91 VSS
92 RA5 O
93 RA4 O
94 RA3 O
95 RA2 O
96 RA1 O
97 RA0 O
98 /RRAS O
99 /RWE O
100 VSS
101 RD7 I/O
102 RD6 I/O
103 RD5 I/O
104 RD4 I/O
105 RD3 I/O
106 RD2 I/O
107 RD1 I/O
108 RD0 I/O
109 VSS
110 RD17 I/O
111 RD16 I/O
112 RD15 I/O
113 RD14 I/O
114 RD13 I/O
115 RD12 I/O
116 RD11 I/O
117 RD10 I/O
118 RD9 I/O
119 RD8 I/O
120 VDDS
16
FUNCTION
(Ground)
Address bus internal register
(Ground)
Data bus of internal register
(Power supply)
(Ground)
Chip select
Write strobe
Read strobe
(Power supply)
NSYS/LNSYS upper 16 bits
Key on data
(Ground)
NSYS input/LNSYS output lower 8 bits
Key on data (Power supply)
(Ground)
DAC output
DAC0/DAC1 word clock
MEL wave data output
(Power supply)
ADC word clock
MEL wave data input
(Ground)
DRAM column address strobe
(Power supply)
(Ground)
DRAM address bus
DRAM row address strobe
DARM write enable
(Ground)
(Ground)
DRAM data bus
(Power supply)
)
PIN
NAME I/O
NO.
121 VSS
122 HMD0 I/O
123 HMD1 I/O
124 HMD2 I/O
125 HMD3 I/O
126 HMD4 I/O
127 HMD5 I/O
128 HMD6 I/O
129 HMD7 I/O
Wave memory data bus (Upper data memory)
130 HMD8 I/O
131 HMD9 I/O
132 HMD10 I/O
133 HMD11 I/O
134 HMD12 I/O
135 HMD13 I/O
136 HMD14 I/O
137 HMD15 I/O
138 VSS
139 HMA0 O
140 HMA1 O
141 HMA2 O
142 HMA3 O
143 HMA4 O
144 HMA5 O
145 HMA6 O
146 HMA7 O
147 HMA8 O
148 HMA9 O
149 HMA10 O
150 VSS
151 VDD
152 HMA11 O Wave memory address bus (Upper 16 bits)
153 HMA12 O
154 HMA13 O
155 HMA14 O
156 HMA15 O
157 HMA16 O
158 HMA17 O
159 HMA18 O
160 HMA19 O
161 HMA20 O
162 HMA21 O
163 HMA22 O
164 HMA23 O
165 HMA24 O
166 VSS
167 /MRAS O RAS when DRAM(s) is connected to wave memory
168 /MCAS O CAS when DRAM(s) is connected to wave memory
169 /MOE O Wave memory output enable
170 /MWE O Wave memory write enable
171 VSS
172 LMD0 I/O
173 LMD1 I/O
174 LMD2 I/O
175 LMD3 I/O
176 LMD4 I/O
177 LMD5 I/O
178 LMD6 I/O
179 LMD7 I/O
180 VDDS
Wave memory data bus (Lower data memory)
181 VSS
182 LMD8 I/O
183 LMD9 I/O
184 LMD10 I/O
185 LMD11 I/O
186 LMD12 I/O
187 LMD13 I/O
188 LMD14 I/O
189 LMD15 I/O
190 VSS
191 LMA0 O
192 LMA1 O
193 LMA2 O
194 LMA3 O
195 LMA4 O
196 LMA5 O
197 LMA6 O
198 LMA7 O
199 LMA8 O
200 LMA9 O
201 LMA10 O
202 LMA11 O
203 VSS
204 LMA12 O
Wave memory address bus (Lower data memory)
205 LMA13 O
206 LMA14 O
207 LMA15 O
208 LMA16 O
209 LMA17 O
210 VDD
211 VSS
212 LMA18 O
213 LMA19 O
214 LMA20 O
215 LMA21 O
216 LMA22 O
217 LMA23 O
218 LMA24 O
219 VSS
220 SYO O Sync. signal for master clock
221 SYOD O Sync. signal for HCLK/QCLK
222 QCLK O 1/12 master clock (64 Fs)
223 HCLK O 1/6 master clock (128 Fs)
224 CK256 O 1/3 master clock (256 Fs)
225 SYSCLK O 1/2 master clock (384 Fs)
226 VDDS
227 SYI I Sync. clock
228 MCLKI I Master clock input
229 MCLKO O Master clock output
230 VDD
231 XIN I Crystal osc. input
232 XOUT O Crystal osc. output
233 VSS
234 /IC I Initial clear
235 CHIP2 I 2 chips mode enable
236 SLAVE I Master/Slave select when 2 chips mode
237 /TESTO I
238 /ACI I Test pin
239 DCTEST I
240 VDDS
FUNCTION
(Ground)
(Ground)
(Ground)
(Power supply)
(Ground)
(Ground)
(Power supply)
(Ground)
(Ground)
(Ground)
(Power supply)
(Ground)
(Ground)
(Power supply)
(Power supply)
(Ground)
(Power supply)