AK4117_10 Datasheet, PDF (33/37 Pages) Asahi Kasei Microsystems – Low Power 192kHz Digital Audio Receiver

■ Non-PCM Bitstream timing
1) When Non-PCM preamble does not arrive within 4096 frames,
PDN pin
[AK4117]
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 27. 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 28. Timing example 2
MS0157-E-04
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2010/08