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WM8802SCFV 数据表(PDF) 30 Page - Wolfson Microelectronics plc

部件名 WM8802SCFV
功能描述  Digital Audio Interface Transceiver
PDF  65 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM8802SCFV 数据表(HTML) 30 Page - Wolfson Microelectronics plc

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WM8802
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PP Rev 1.1 April 2004
30
RDATA
Output starts from the RLRCK edge immediately after RERR flag is lowered
RERR
Internal clock signal
RLRCK
Data
45 ms to 300 ms
OK
Figure 21 Internal Lock Signal
CHANNEL STATUS OUTPUT
DATA CATEGORY SPECIFICATION BIT 1 OUTPUT ( AUDIO )
The AUDIO pin outputs bit 1 of the channel status indicating that the input bi-phase data is PCM
audio data. AUDIO status is immediately output upon detection of RERR even during High output.
An output ORed with IEC61937 or the DTS-CD/LD detection flag is also possible with AOSEL.
AUDIO
OUTPUT CONDITIONS
0
PCM audio data (CS bit 1 = Low)
1
Non-audio data (CS bit 1 = High
Table 12 AUDIO Output
EMPHASIS INFORMATION OUTPUT (EMPHA)
The EMPHA pin output indicates that the signal has the presence or absence of 50/15
µs emphasis
for consumer and broadcast studio.
EMPHA status is immediately output upon detection of RERR even during High output.
EMPHA
OUTPUT CONDITIONS
0
No pre-emphasis
1
50/15
µs pre-emphasis
Table 13 EMPHA Output



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