BBK DV725SI, Service Manual

Page: 73 / 115

212 ASDATA3
InOut 4mA,
PD,SMT
1) Audio serial data 2 (Center/LFE)
2) DSD data right surround channel
3) Trap value in power-on reset:
I) 1: manufactory test mode
II) 0: normal operation
4) While only 2 channels output:
I) GPO_0
214 ASDATA4
INT1# InOut 4mA,
PD,SMT
1) Audio serial data 3 (Center-back/
Center-left-back/Center-right-back, in 6.1 or 7.1 mode)
2) DSD data center channel
18) While only 2 channels output:
I) Digital video YUV output 6
II) GPIO
215 MC_DATA
INT2# InOut 2mA,
PD,SMT
1) Microphone serial input
2) While not support Microphone:
I) Microcontroller external interrupt 2
II) GPIO
216 SPDIF
Output
4~16mA,
SR: ON/OFF
S/PDIF output
217 APLLVDD3 Power 3.3V Power pin for audio clock circuitry
218 APLLCAP Analog inout APLL External Capacitance connection
219 APLLVSS Ground Ground pin for audio clock circuitry
220 ADACVSS2 Ground Ground pin for AUDIO DAC circuitry
221 ADACVSS1 Ground Ground pin for AUDIO DAC circuitry
222 ARF Output
1) AUDIO DAC Sub-woofer channel output
2) While internal AUDIO DAC not used: GPIO
223 ARS GPIO Output
1) AUDIO DAC Right Surround channel output
2) While internal AUDIO DAC not used:
a. SDATA3
b. GPIO
224 AR GPIO Output
1) AUDIO DAC Right channel output
2) While internal AUDIO DAC not used:
a. SDATA1
b. GPIO
225 AVCM Analog AUDIO DAC reference voltage
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