AK4586 Datasheet, PDF (50/54 Pages) Asahi Kasei Microsystems – MULTI CHANNEL AUDIO CODEC WITH DIR

ASAHI KASEI
Non-PCM Bitstream timing
1) When Non-PCM preamble is not coming within 4096 frames,
PDN pin
[AK4586]
Bit stream
AUTO bit
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
Figure 32. Timing example 1
2) When Non-PCM bitstream stops (when MULK0=0),
INT0 pin
<20mS (Lock time)
INT0 hold time
Bit stream
AUTO bit
Pa Pb Pc1 Pd1
Stop
2~3 Syncs (B,M or W)
Pa Pb Pcn Pdn
<Repetition time
Pc Register
Pc0
Pc1
Pcn
Pd Register
Pd0
Pd1
Pdn
Figure 33. Timing example 2
MS0097-E-01
- 50 -
2001/12