Chip Select; Ground - Yamaha DG60-112 Service Manual

YSS228E-F (XQ962D00) DSP3 (Digital Signal Processor)
PIN
NAME I/O
NO.
1 VSS

Ground

2 XI I System master clock input (60 M or30 MHz)
3 XO System master clock input (60 M or30 MHz)
4 VDD Power supply
5 /SYNCI I System synch. input
6 /SYNCO O System synch. output
7 CKI I System clock input (30 MHz)
8 CKO O System clock output (30 MHz)
9 CKSL I System master clock select (0:60 M,1:30 MHz)
10 VSS Ground
11 MCKS I Master clock for serial I/O(128 xFs)
12 /SSYNC I Synch. signal for serial I/O
13 /IC I Initial clear
14 /TEST I Test mode setting
15 BTYP I CPU data bus 8/16 bit select(0:8,1:16)
16 /IRQ O Interrupt request
17 TRIG I/O Trigger signal
18 VDD Power supply
19 VSS Ground
20 /CS I

Chip select

21 /DS I Data strobe
22 R/W I Read/Write select
23 CA7 I
24 CA6 I
25 CA5 I
26 CA4 I CPU address bus
27 CA3 I
28 CA2 I
29 CA1 I
30 CA0/CD15 I/O CPU address/data bus
31 CD14 I/O
32 CD13 I/O
33 CD12 I/O
34 CD11 I/O
35 CD10 I/O CPU data bus
36 CD09 I/O
37 CD08 I/O
38 CD07 I/O
39 CD06 I/O
40 VSS Ground
41 VDD Power supply
42 CD05 I/O
43 CD04 I/O
44 CD03 I/O
CPU data bus
45 CD02 I/O
46 CD01 I/O
47 CD00 I/O
48 /DTACK O DTACK signal output
49 SI0 I
50 SI1 I
51 SI2 I
52 SI3 I
Serial data input
53 SI4 I
54 SI5 I
55 SI6 I
56 SI7 I
57 VSS Ground
58 VDD Power supply
59 SO0 O
60 SO1 O
61 SO2 O
62 SO3 O
Serial data output
63 SO4 O
64 SO5 O
65 SO6 O
66 SO7 O
67 DB00 I/O
68 DB01 I/O
69 DB02 I/O
70 DB03 I/O
71 DB04 I/O
72 DB05 I/O
73 DB06 I/O Parallel data bus
74 DB07 I/O
75 DB08 I/O
76 DB09 I/O
77 DB10 I/O
78 DB11 I/O
79 DB12 I/O
80 VDD Power supply
FUNCTION
PIN
NAME I/O
NO.
81 VSS I/O Ground
82 DB13 I/O
83 DB14 I/O
84 DB15 I/O
85 DB16 I/O
86 DB17 I/O
87 DB18 I/O
88 DB19 I/O
89 DB20 I/O
90 DB21 I/O
91 DB22 I/O Parallel data bus
92 DB23 I/O
93 DB24 I/O
94 DB25 I/O
95 DB26 I/O
96 DB27 I/O
97 DB28 I/O
98 DB29 I/O
99 DB30 I/O
100 DB31 I/O
101 TIMO/DBOE I/O Timing signal/Parallel data bus control
102 VSS Ground
103 VDD Power supply
104 DA00 I/O
105 DA01 I/O
106 DA02 I/O
107 DA03 I/O
108 DA04 I/O
109 DA05 I/O
110 DA06 I/O
111 DA07 I/O
External memory data bus
112 DA08 I/O
113 DA09 I/O
114 DA10 I/O
115 DA11 I/O
116 DA12 I/O
117 DA13 I/O
118 DA14 I/O
119 DA15 I/O
120 VSS Ground
121 VDD Power supply
122 DA16 I/O
123 DA17 I/O
124 DA18 I/O
125 DA19 I/O
126 DA20 I/O
127 DA21 I/O
128 DA22 I/O
129 DA23 I/O
External memory data bus
130 DA24 I/O
131 DA25 I/O
132 DA26 I/O
133 DA27 I/O
134 DA28 I/O
135 DA29 I/O
136 DA30 I/O
137 DA31 I/O
138 VDD Power supply
139 VSS Ground
140 A00 O
141 A01 O
142 A02 O
143 A03 O
144 A04 O
145 A05 O
146 A06 O
147 A07 O External memory address bus
148 A08 O
149 A09 O
150 A10 O
151 A11 O
152 A12 O
153 A13 O
154 A14 O
155 A15/RAS O
External memory address bus/Row address strobe
156 A16/CAS O
External memory address bus/Column address strobe
157 A17/CE O External memory address bus/Chip enable
158 /WE O External memory write enable
159 /OE O External memory output enable
160 VDD Power supply
DG60-112
DM: IC14, 15
FUNCTION
9