LG RH4820W Service Manual page 86

Pin No. Pin Name
154 RDY 5V_tolerant
155 DVDD33 -
156 A14 5V_tolerant
157 A13 5V_tolerant
158 A12 5V_tolerant
159 A11 5V_tolerant
160 A10 5V_tolerant
161 A9 5V_tolerant
162 A8 5V_tolerant
163 DGND -
164 AD7 5V_tolerant
165 AD6 5V_tolerant
166 AD5 5V_tolerant
167 AD4 5V_tolerant
168 AD3 5V_tolerant
169 AD2 5V_tolerant
170 DVDD33 -
171 AD1 5V_tolerant
172 AD0 5V_tolerant
173 RD 5V_tolerant
174 WR 5V_tolerant
175 ASTB 5V_tolerant
176 CS 5V_tolerant
177 SYSRST 5V_tolerant
178 DGND -
179 DVDD25 -
180 OPCTRG 3V
181 HFON 3V
182 WRCK -
183 DVDD33 -
184 WRPULSE 3V
185 OFPULSE 3V
186 DGND -
Type Description
I - Access control signal output from Local CPU to SDRAM.
- - Digital power[3.3V]
I - Local CPU Adress bus.
I - Local CPU Adress bus.
I - Local CPU Adress bus.
I - Local CPU Adress bus.
I - Local CPU Adress bus.
I - Local CPU Adress bus.
I - Local CPU Adress bus.
- - Digital GND
I/O - Local CPU Adress/data mux bus.
I/O - Local CPU Adress/data mux bus.
I/O - Local CPU Adress/data mux bus.
I/O - Local CPU Adress/data mux bus.
I/O - Local CPU Adress/data mux bus.
I/O - Local CPU Adress/data mux bus.
- - Digital power[3.3V]
I/O - Local CPU Adress/data mux bus.
I/O - Local CPU Adress/data mux bus.
I - Read strobe signal input.
I - Write strobe signal input.
I - Address strobe input.
I - Chip selector input from Local CPU.
I - Reset input.
- - Digital GND.
- - Digital power[2.5V]
I/O - Wobble FM demodulation data output. DVD mode: OPCTRG signal output.
O H Laser, Driver high-frequency control signal.
- L Write Clock.
- - Digital power[3.3V]
O L Write pulse [write laser/driver control signal]
O H Write pulse [write laser/driver control signal]
- - Digital GND.
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