Datasheet

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LRCK
(b)I
2
SDataFormat;L-Channel=LOW,R-Channel=HIGH,LRPC=0
1/f
S
(= 32f
S
,48f
S,
or64f
S
)
1/f
S
(a) Right-JustifiedDataFormat;L-Channel=HIGH,R-Channel=LOW,LRPC=0
(c)Left-JustifiedDataFormat;L-Channel=HIGH,R-Channel=LOW,LRPC=0
MSB LSB
16-Bit Right-Justified
1/f
S
(=32f
S
,48f
S
or64f
S
)
(=32f
S
,48f
S,
or64f
S
)
L-Channel R-Channel
BCK
DIN
14 15 16 1 2 3 14 15 16
MSB LSB
1 2 3 14 15 16
L-Channel R-ChannelLRCK
BCK
DIN
1 2 3 1 2
MSB
14 1615
LSB
1 2 3
MSB
14 1615
LSB
L-Channel R-ChannelLRCK
BCK
DIN
1 2 3 14 1615 1 2 3 14 1615 1 2
MSB LSB LSBMSB
T0009-07
1/f
S
(d) BurstBCKInterfaceFormatinMasterMode;L-Channel=HIGH,R-Channel=LOW,LRPC=0
( 64f
S
)
L-Channel R-Channel
LRCK
BCK
DIN
1 2 3 14 1615 1 2 3 14 1615 1 2
MSB LSB LSBMSB
LRCK
1/f
S
(=32f
S
,48f
S,
64f
S
,128f
S
or256f
S
)
(e) DSPFormat,LRPC=0
MSB LSB
BCK
DIN 1 2 3 14 15 16
MSB LSB
1 23 14 15 161 2
PCM1774
SLAS551 – JULY 2007
NOTE: All audio interface formats support BCK = 64 f
S
in master mode (register 69, MSTR = 1). The f
S
of BCK at setting
multi-sampling rate (register 85 and 86, NPR[5:0] and MSR[2:0]) is shown in Table 9 and Table 10 .
Figure 16. Audio Data Formats
18
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