65
HCD-DX155/DX255
Pin No. Pin Name I/O Description
176 LIMSW O LIMSW signal output to optical pick-up
177 OCSW I SEN signal input from system controller (IC501)/OCSW signal input
178 REW O REW signal output to IC1201
179 CKSW I CKSW signal input (not used)
180 NC — Not used
181 NC — Not used
182 DVDD3 — Power supply (SW+3.3V)
183 NC — Not used
184 NC — Not used
185 NC — Not used
186 NC — Not used
187 NC — Not used
188 NC — Not used
189 DAVCC — Power supply (+3.3V from IC1105)
190 VREF I Bandgap reference voltage (not used)
191 FS O Full scale adjustment (pull down)
192 YUV0 — Not used
193 DAVSS — Ground terminal
194 YUV1 O Y signal output to VIDEO AMP (IC201)
195 DAVDD — Power supply (+3.3V from IC1105)
196 YUV2 O CHROMA signal output to VIDEO AMP (IC201)
197 DAVSS — Ground terminal
198 YUV3 O VIDEO signal output to VIDEO AMP (IC201)
199 DAVDD — Power supply (+3.3V from IC1105)
200 YUV4 O Y signal output to VIDEO AMP (IC201)
201 DAVSS — Ground terminal
202 YUV5 O Cb signal output to VIDEO AMP (IC201)
203 YUV6 O Cr signal output to VIDEO AMP (IC201)
204 DVDD3 — Power supply (SW+3.3V)
205 MIC/VSYNC I MIC_DET signal to IC501 (not used)
206 VOICE/YUV7 — Not used
207 KRMOD/HSYNC O KARAOKE MODE signal to IC501 (not used)
208 SMSCK — Not used
209 SPDATA/SMSDI I Audio data of SPDIF input
210 MUTE O MUTE signal to IC1201
211 MUTE123 O MUTE123 signal to IC1201
212 DVDD3 — Power supply (SW+3.3V)
213 ALRCK I Audio left/right channel clock
214 ABCK I Audio bit clock
215 ACLK O Audio DAC master clock
216 DVSS — Ground terminal
217 ASDATA0 O Audio serial data 0
218 ASDATA1 O Audio serial data 1
219 ASDATA2 O Auio serial data 2
220 XRST — Not used
221 DVDD18 — Power supply (+1.8V)
222 ASDATA4 O Audio serial data (not used)
223 DVSS — Ground terminal
224 DWIDE — To pin 209 of IC1101
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