參數資料
型號: AK4683_07
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Asynchronous Multi-Channel Audio CODEC with DIR/T
中文描述: 異步多聲道音頻編解碼器署長/噸
文件頁數: 59/84頁
文件大小: 1077K
代理商: AK4683_07
[AK4683]
MS0427-E-02
2007/04
- 59 -
Non-PCM Bitstream timing
1)
When Non-PCM preamble is not coming within 4096 frames,
Pa
Pc
1
Pd
1
Pb
Pa
Pc
2
Pd
2
Pb
Pa
Pc
3
Pd
3
Pb
“0”
Pc
1
Pc
2
“0”
Pd
1
Pd
2
Pd
3
Pc
3
PDN pin
Bit stream
AUTO bit
Pc Register
Pd Register
Repetition time
>4096 frames
Figure 38. Timing example 1
2)
When Non-PCM bitstream stops (when MULK0=0),
Pa
Pc
1
Pd
1
Pb
Stop
Pa
Pc
n
Pd
n
Pb
Pc
0
Pc
1
Pd
0
Pd
1
Pd
n
Pc
n
INT0 pin
Bit stream
AUTO bit
Pc Register
Pd Register
INT0 hold time
2~3 Syncs (B,M or W)
<20mS (Lock time)
<Repetition time
Figure 39. Timing example 2
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