Service manual

21
EMX68S / EMX88S
● YSS910-S (XV988A00) DSP6 (Digital Signal Processor) DPS: IC112
PIN PIN
NO.
NAME I/O FUNCTION
NO.
NAME I/O FUNCTION
1 Vdd Power supply (3.3 V) 89 Vss Ground
2 Vss Ground 90 DB13 I/O
3XI I
System master clock input (60 MHz or 30 MHz) 91 DB14 I/O
4XO O
System master clock output (High or 30 MHz) 92 DB15 I/O
5 Vdd Power supply (5 V) 93 DB16 I/O
6 /SYNCI I Sync. signal input 94 DB17 I/O
Parallel data bus
7 /SYNCO O Sync. signal output 95 DB18 I/O
8 Vdd Power supply (5 V) 96 DB19 I/O
9 CKI I System clock input (30 MHz) 97 DB20 I/O
10 CKO O System clock output (30 MHz) 98 DB21 I/O
11 CKSEL I
System master clock select (0: 60 MHz, 1: 30 MHz) 99 DB22 I/O
12 Vss Ground 100 Vss Ground
13 MCKS I Serial I/O master clock input (128 x Fs) 101 Vdd Power supply (3.3 V)
14 /SSYNC I Serial I/O Sync. signal output 102 DB23 I/O
15 /IC I Initial clear 103 DB24 I/O
16 /TEST I Test mode setting (0: Test, 1: Normal) 104 DB25 I/O
17 BTYP I Data bus type select (0: 8 bit, 1: 16 bit) 105 DB26 I/O
18 /IRQ O IRQ output 106 DB27 I/O Parallel data bus
19 TRIG I/O Trigger signal input/output 107 DB28 I/O
20 Vdd Power supply (5 V) 108 DB29 I/O
21 Vss Ground 109 DB30 I/O
22 /CS I chip select signal input 110 DB31 I/O
23 /WR I Write signal input 111
TIMO/DBOB I/O Timing signal output/ Parallel data bus output/ input
24 /RD I Read signal input 112 Vss Ground
25 CA7 I/O 113 Vdd Power supply (5 V)
26 CA6 I/O 114 DA00 I/O
27 CA5 I/O 115 DA01 I/O
28 CA4 I/O Address bus of internal register 116 DA02 I/O
29 CA3 I/O 117 DA03 I/O
Memory data bus
30 CA2 I/O 118 DA04 I/O
31 CA1 I/O 119 DA05 I/O
32 Vss Ground 120 DA06 I/O
33 Vdd Power supply (3.3 V) 121 DA07 I/O
34 CD15 I/O 122 Vss Ground
35 CD14 I/O 123 DA08 I/O
36 CD13 I/O 124 DA09 I/O
37 CD12 I/O 125 DA10 I/O
38 CD11 I/O
Data bus of internal register
126 DA11 I/O
Memory data bus
39 CD10 I/O 127 DA12 I/O
40 CD09 I/O 128 DA13 I/O
41 CD08 I/O 129 DA14 I/O
42 CD07 I/O 130 DA15 I/O
43 CD06 I/O 131 Vss Ground
44 Vss Ground 132 Vdd Power supply (3.3 V)
45 Vdd Power supply (3.3 V) 133 (n.c) Not used
46 Vdd Power supply (5 V) 134 Vdd Power supply (5 V)
47 CD05 I/O 135 DA16 I/O
48 CD04 I/O 136 DA17 I/O
49 CD03 I/O
Data bus of internal register
137 DA18 I/O
50 CD02 I/O 138 DA19 I/O
Memory data bus
51 CD01 I/O 139 DA20 I/O
52 CD00 I/O 140 DA21 I/O
53 /WAIT O WAIT output 141 DA22 I/O
54 Vss Ground 142 DA23 I/O
55 SI0 I 143 Vss Ground
56 SI1 I 144 DA24 I/O
57 SI2 I 145 DA25 I/O
58 SI3 I
Serial data input
146 DA26 I/O
59 SI4 I 147 DA27 I/O
Memory data bus
60 SI5 I 148 DA28 I/O
61 SI6 I 149 DA29 I/O
62 SI7 I 150 DA30 I/O
63 Vss Ground 151 DA31 I/O
64 Vdd Power supply (5 V) 152 Vdd Power supply (5 V)
65 SO0 O 153 Vss Ground
66 SO1 O 154 A00 O
67 SO2 O 155 A01 O
68 SO3 O
Serial data output
156 A02 O
69 SO4 O 157 A03 O
70 SO5 O 158 A04 O
Memory address (SRAM, PSRAM, DRAM)
71 SO6 O 159 A05 O
72 SO7 O 160 A06 O
73 Vss Ground 161 A07 O
74 DB00 I/O 162 A08 O
75 DB01 I/O 163 A09 O
76 DB02 I/O 164 Vss Ground
77 DB03 I/O 165 Vdd Power supply (3.3 V)
78 DB04 I/O 166 A10 O
Memory address (SRAM, PSRAM, DRAM)
79 DB05 I/O 167 A11 O
80 DB06 I/O Parallel data bus 168 A12 O
Memory address (SRAM, PSRAM)
81 DB07 I/O 169 A13 O
82 DB08 I/O 170 A14 O
83 DB09 I/O 171 A15/RAS O
Memory address (SRAM, PSRAM), /RAS (DRAM)
84 DB10 I/O 172 A16/CAS O Memory address (SRAM, PSRAM), /CAS (DRAM)
85 DB11 I/O 173 A17/CE O Memory address (SRAM), /CE (PSRAM)
86 DB12 I/O 174 /WE O Memory write enable signal
87 Vdd Power supply (5 V) 175 /OE O Memory output enable signal
88 Vdd Power supply (3.3 V) 176 Vdd Power supply (5 V)