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DATA DESCRIPTION
Decoded Serial Audio Data Output and Interface Format
BiphaseSignal(IN)
t
LATE
BFRAME(OUT)
LRCKO(OUT)
(I S)
2
LRCKO(OUT)
(ExceptI S)
2
DOUT (OUT)
B
W M W
0L
0R
1L
1R
0L 0R
1L 1R
17BCK
DIR9001
SLES198 – DECEMBER 2006
The DIR9001 supports following 4-data formats for the decoded data.
• 16-bit, MSB-first, right-justified
• 24-bit, MSB-first, right-justified
• 24-bit, MSB-first, left-justified
• 24-bit, MSB-first, I
2
S
Decoded data is MSB first and 2s-complement in all formats.
The decoded data is provided through the DOUT pin.
The format of the decoded data is selected by the FMT[1:0] pins.
The data formats for each FMT[1:0] pin setting are shown in Table 7 .
Table 7. Serial Audio Data Output Format Set by FMT[1:0]
FMT[1:0] SETTINGS
DOUT SERIAL AUDIO DATA OUTPUT FORMAT
FMT1 FMT0
L L 16-bit, MSB-first, right-justified
L H 24-bit, MSB-first, right-justified
H L 24-bit MSB-first, left-justified
H H 24-bit, MSB-first, I
2
S
PARAMETERS MIN TYP MAX UNIT
t
LATE
LRCKO/DOUT latency 3/f
S
s
Figure 10. Latency Time Between Biphase Input and LRCKO/DOUT
17
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