Aiwa SX-DV1, Service Manual

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Pin No. Pin Name I/O Description
106 RD3 I/O RAM data bus.
107 RD12 I/O RAM data bus.
108 RD2 I/O RAM data bus.
109 RD13 I/O RAM data bus.
110 RD1 I/O RAM data bus.
111 RD14 I/O RAM data bus.
112 RD0 I/O RAM data bus.
113 RD15 I/O RAM data bus.
114 NC – Not connected.
115 AVSS – Analog ground.
116 ~ 118 NC – Not connected.
119 AVDD – +5V analog supply.
120 DASP I/O Drive active/slave present. (Connected to pull-up resistor)
121 CS3FX I Host chip select 2 (for 3Fxh/37xh).
122 CS1FX I Host chip select 1 (for 1Fxh/17xh).
123 DVDD3 – +3.3V digital supply.
124 HA2 I Host address bus.
125 HA0 I Host address bus.
126 PDIAG I/O Passed diagnostics. (Connected to pull-up resistor)
127 HA1 I Host address bus.
128 DVDD – +5V digital supply.
129 IOCS16 O I/O 16 bit chip select.
130 INTRQ O Host interrupt.
131 DMACK I DMA acknowledge. (Connected to pull-up resistor)
132 IORDY O I/O channel ready.
133 DIOR I Drive I/O read.
134 DVSS – Digital ground.
135 DIOW I Drive I/O write.
136 DMARQ O DMA request. (Not used)
137 HD15 I/O Host data bus.
138 HD0 I/O Host data bus.
139 HD14 I/O Host data bus.
140 DVSS – Digital ground.
141 HD1 I/O Host data bus.
142 HD13 I/O Host data bus.
143 HD2 I/O Host data bus.
144 HD12 I/O Host data bus.
145 HD3 I/O Host data bus.
146 DVSS – Digital ground.
147 HD11 I/O Host data bus.
148 HD4 I/O Host data bus.
IC DESCRIPTION -3/5 (IC, MT1388E -3/5) XD-DV1
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