AK4112B_12 Datasheet, PDF (27/31 Pages) Asahi Kasei Microsystems – High Feature 96kHz 24bit DIR

„ Non-PCM Bitstream timing
1) When Non-PCM preamble is not coming within 4096 frames,
PDN pin
[AK4112B]
Bit stream
AUTO
Pa Pb Pc1 Pd1
Pa Pb Pc2 Pd2
Repetition time
>4096 frames
Pa Pb Pc3 Pd3
Pc Register
Pd Register
“0”
“0”
Pc1
Pd1
Pc2
Pd2
Pc3
Pd3
2) When Non-PCM bitstream stops
ERF pin
Bit stream
Pa Pb Pc1 Pd1
AUTO
<20mS (Lock time)
ERF hold time
Stop
2~3 Syncs (B,M or W)
Pa Pb Pcn Pdn
<Repetition time
Pc Register
Pc0
Pd Register
Pd0
Pc1
Pd1
Pcn
Pdn
MS0078-E-03
- 27 -
2012/01