DIR9001IPWRQ1G4 Datasheet, PDF (21/35 Pages) Texas Instruments – 96-kHz, 24-Bit Digital Audio Interface Receiver

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DIR9001-Q1
SLLS843A – JUNE 2007 – REVISED FEBRUARY 2008
AUDIO Pin
This is the output pin for the audio sample word information of the channel-status data bit 1.
AUDIO
L
H
Table 8. Audio Sample Word Information
DESCRIPTION
Audio sample word represents linear PCM samples.
Audio sample word is used for other purposes.
EMPH Pin
This is the output pin for the emphasis information of the channel-status data bit 3.
EMPH
L
H
Table 9. Pre-Emphasis Information
DESCRIPTION
Two audio channels without pre-emphasis
Two audio channels with 50 µs / 15 µs pre-emphasis
LRCKO
2
(I S)
LRCKO
2
(Except I S)
DOUT
191R
0L
0R
1L
1R
2L
2R
3L
AUDIO
Bit 1 of Previous Block
EMPH
Bit 3 of Previous Block
NOTE: The numbers 0 through 191 of DOUT indicate frame numbers of the biphase input.
Figure 14. AUDIO and EMPH Output Timing
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