Ci-Drc (Xy629A00) Gate Array - Yamaha AW2816 Service Manual

CI-DRC (XY629A00) Gate Array

PIN
NAME I/O
NO.

1 GND


2 GND


3 GND

4 NC


5 NC


6 NC

7 DD0 I/O


8 I/O
DD1


9 DD2 I/O

10 DD3 I/O 

11 I/O
DD4 

12 DD5 I/O


13 DD6 I/O


14 DD7 I/O
15 GND

16 DD8 I/O


17 DD9 I/O


18 DD10 I/O


19 DD11 I/O
20 V
DD

21 DD12 I/O


22 DD13 I/O


23 DD14 I/O


24 DD15 I/O
25 GND
26 O
DWE
27 DRAS O
28 DCAS O
29 DQM O

30 SDRCS0 O


31 SDRCS1 O
32 V
DD
33 GND
34 SDRCLK O

35 NC


36 NC
37 V
DD

38 GND


39 GND


40 GND


41 V

DD

42 V 
DD

43 V 
DD

44 I/O
XD0


45 XD1 I/O


46 XD2 I/O


47 XD3 I/O


48 XD4 I/O


49 XD5 I/O


50 XD6 I/O


51 XD7 I/O


52 XD8 I/O


53 XD9 I/O
54 GND

55 XD10 I/O


56 XD11 I/O
57 V
DD

58 XD12 I/O


59 XD13 I/O


60 XD14 I/O


61 XD15 I/O
62 O
XDWRN
63 XDRDN O
64 XDACKN O
65 XDREQN I
66 GND
67 CK512FS I
68 GND
69 FS I

70 SO0 O


71 SO1 O


72 SO2 O


73 SO3 O


74 SO4 O


75 SO5 O

76 SO6 O 
77 V
DD

78 V
DD


79 V
DD 

80
V 
DD
FUNCTION
Ground
Not used
DRAM data bus
Ground
DRAM data bus
Power supply +3.3V
DRAM data bus
Ground
DRAM write
DRAM row address strobe
DRAM column address strobe
DATA MASK
DRAM chip select
Power supply +3.3V
Ground
DRAM clock
Not used
Power supply +3.3V
Ground
Power supply +5V
SCSI data bus
Ground
SCSI data bus
Power supply +5V
SCSI data bus
Write
Read
DMA acknowledge
DMA request
Ground
Clock
Ground
Clock
Serial data output
Power supply +5V
Power supply +3.3V
PIN
NAME I/O
NO.

81 GND


82 GND


83 GND

84 SI0 I


85 SI1 I


86 SI2 I


87 SI3 I
88 GND
89 NC

90 DA13 O


91 DA12 O


92 DA11 O


93 DA10 O


94 DA9 O


95 DA8 O


96 DA7 O 


97 DA6 O
98 GND

99 DA5 O


100 DA4 O


101 DA3 O


102 DA2 O


103 DA1 O 

104 DA0 O 
105 V
DD
106 NC

107 TEST I


108 SCANENB I


109 TESTMOD0 I



110 TESTMOD1 I
111 V
DD
112 GND

113 CA1 I


114 CA2 I


115 CA3 I


116 CA4 I 


117 CA5 I

118 GND


119 GND


120 GND 

121 V
DD 

122 V 
DD


123 V
DD
124 GND

125 CD0 I/O


126 CD1 I/O


127 CD2 I/O


128 CD3 I/O
129 GND

130 CD4 I/O


131 CD5 I/O
132 V
DD

133 CD6 I/O


134 CD7 I/O
135 GND

136 CD8 I/O


137 CD9 I/O


138 CD10 I/O


139 CD11 I/O
140 GND
141 V
DD

142 CD12 I/O


143 CD13 I/O


144 CD14 I/O


145 CD15 I/O
146 GND
147 CCSN I
148 CRDN I
149 CWRN I
150 CINTN O
151 BACKN I
152 BREQN O
153 IDEGEN O
154 V
DD
155 GND
156 RESETN I
157 GND

158 V

DD

159 V

DD

160 V 
DD
AW2816
MAIN: IC705
FUNCTION
Ground
Serial data input
Ground
Not used
DRAM address bus
Ground
DRAM address bus
Power supply +3.3V
Not used
Test pin
Power supply +3.3V
Ground
CPU address bus
Ground
Power supply +5V
Ground
CPU data bus
Ground
CPU data bus
Power supply +5V
CPU data bus
Ground
CPU data bus
Ground
Power supply +5V
CPU data bus
Ground
CPU chip select
CPU read
CPU write
CPU interrupt request
Bus acknowledge
Bus request
Gate enable
Power supply +5V
Ground
Reset
Ground
Power supply +3.3V
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