BBK LD1506SI-2, Service Manual, Page: 122 / 168

206 SPLRCK SDO0 In/Out
1) Audio left/right channel clock of SPDIF input
2) While SPDIF input is not used:
I) Serial interface port 0 data-out II) GPIO
207 SPBCK
SDCS0
ASDATA
5
In/Out
1) Audio bit clock of SPDIF input
2) While SPDIF input is not used:
I) Serial interface port 0 chip select
II) Audio serial data 5 part I : DSD data sub-woofer
Channel or Microphone output III) GPIO
209 ALRCK
In/Out 4mA,
PD,SMT
1) Audio left/right channel clock
2) Trap value in power-on reset:
I) 1: use external 373
II) 0: use internal 373
210 ABCK Fs64
In/Out 4mA,
SMT
1) Audio bit clock
2) Phase de-modulation
211 ACLK
In/Out 4mA,
SMT
Audio DAC master clock
197 ASDATA0
In/Out 4mA,
PD,SMT
1) Audio serial data 0 (Front-Left/Front-Right)
2) DSD data left channel
3) Trap value in power-on reset:
I) 1: manufactory test mode
II) 0: normal operation
4) While using external channels: ) GPO_2
202 ASDATA1
In/Out 4mA,
PD,SMT
2) Audio serial data 0 (Front-Left/Front-Right)
2) DSD data right channel
3) Trap value in power-on reset:
I) 1: manufactory test mode
II) 0: normal operation
4) While using external channels:
I) GPO_2
203 ASDATA2
In/Out 4mA,
PD,SMT
1) Audio serial data 1 (Left-Surround/Right-Surround)
2) DSD data left surround channel
3) Trap value in power-on reset:
I) 1: manufactory test mode
II) 0: normal operation
4) While using external channels:
I) GPO_1
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