ASAHI KASEI
[AK4115]
Non-PCM Bitstream timing
1)When Non-PCM preamble is not coming within 4096 frames,
PDN pin
Bit stream
AUTO bit
1
1
2
2
3
3
Pa Pb Pc Pd
Pa Pb Pc Pd
Pa Pb Pc Pd
Repetition time
>4096 frames
Pc Register
Pd Register
1
Pc
2
Pc
3
Pc
“0”
“0”
1
Pd
2
Pd
3
Pd
Figure 51. Timing example 1
2)When Non-PCM bitstream stops (when MULK0=0),
INT0 hold time
INT0 pin
< PLL Lock time
Bit stream
1
1
n
n
Pa Pb Pc Pd
Stop
2~3 Syncs (B,M or W)
Pa Pb Pc Pd
<Repetition time
AUTO bit
Pc Register
Pd Register
0
1
Pc
n
Pc
Pc
0
1
Pd
n
Pd
Pd
Figure 52. Timing example 2
MS0573-E-00
2006/12
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