DIGITAL SIGNAL PROCESSOR
KS9287
• Control Signal
(1) Validity bit: shows the presence of error in 16-bit audio data: “H”=error, “L”=valid data
(2) User definable bit: subcode data out
SOS1
PBFR
SBCK
SBDT
Sync Pattern
P QR S T U VW
Figure 13. Digital Audio Data Out Timing Diagram
(3) Channel status bit: subcode-Qs upper 4-bit data output, shows number of channels, pre-emphasis, copy, CDP-
category, etc.
SOS1
SQDT
PBFR
ID0 ID1 COPY EMPH
Figure 14. Channel Status Data Out Timing Diagram
(4) Parity Bit: makes even parity
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