BBK DK1020S, Service Manual

Page: 74 / 177

Pin Name Function
Data
direction
DC
voltage
Remark
209 SPDATA 0.14 unused
210 SPLRCK 3.78 unused
211
SPBCK/ASD
ATA5
3.86 unused
212 DVDD3 Digital 3.3V power supply 3.21
213 ALRCK Audio left/right channel clock O 1.52
214 ABCK Audio bit clock O 1.6
215 ACLK Audio DAC external clock O 1.59
216 DVSS Digital 0
217 ASDATA0 Audio serial data O 0.01
218 ASDATA1 Audio serial data O 0.01
219 ASDATA2 Audio serial data O 0.01
220 ASDATA3 Audio serial data 0.01 unused
221 DVDD18 Digital 1.8V power supply 1.93
222 ASDATA4 Audio serial data O 3.22 Give audio IC reset signal
223 DVSS Digital 0.01
224 MC_DATA MIC digital audio input I 1.24
225 SPDIF Digital audio signal output O 1.61
226 RFGND18 RF signal 0.01
227 RFVDD18 RF signal 1.8V power supply 0.64
228 XTALO Clock output O 3.18
229 XTALI Clock input I 3.04
230 JITFO RF small signal output O 0.04
231 JITFN RF small signal reversely amplifying input I 2.23
232 PLLVSS Phase-locked loop 0.06
233 IDACEXLP 3.22
234 PLLVDD3 Phase-locked loop 3.3V power supply 0.01
235 LPFON Amplifier loop filter output O 0.01
236 LPFIP Amplifier loop filter input I 0.01
237 LPFIN Amplifier loop filter input I 0.09
238 LPFOP Amplifier loop filter output O 2.24
239 ADCVDD3 D/A conversion 3.3V power supply 3.22
240 S_VCM 0