AK4112B Datasheet, PDF (27/30 Pages) Asahi Kasei Microsystems – HIGH FEATURE 96kHz 24BIT DIR

ASAHI KASEI
„ 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
“0”
Pc1
Pc2
Pc3
Pd Register
“0”
Pd1
Pd2
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
Pd Register
Pc0
Pd0
Pc1
Pd1
Pcn
Pdn
MS0078-E-02
- 27 -
2004/04