PCM1753
PCM1754
PCM1755
www.ti.com
SLES092A – OCTOBER 2003 – REVISED AUGUST 2004
(1) Standard Data Format; L-Channel = HIGH, R-Channel = LOW
1/f
S
LRCK
BCK
L-Channel
R-Channel
(= 32 f , 48 f or 64 f )
S
S,
S
16-Bit Right-Justified, BCK = 48 f or 64 f
S
S
DATA 14 15 16
1
2
3
14 15 16
1
2
3
14 15 16
LSB
MSB
LSB
MSB
16-Bit Right-Justified, BCK = 32 f
S
DATA 14 15 16
1
2
3
14 15 16
LSB
1
2
3
14 15 16
LSB
MSB
MSB
18-Bit Right-Justified, BCK = 48 f or 64 f
S
S
S
S
DATA 16 17 18
1
3
2
3
16 17 18
LSB
1
3
2
3
16 17 18
LSB
MSB
MSB
20-Bit Right-Justified, BCK = 48 f or 64 f
S
18 19 20
1
2
18 19 20
LSB
1
2
18 19 20
LSB
DATA
MSB
MSB
24-Bit Right-Justified, BCK = 48 f or 64 f
S
DATA 22 23 24
1
2
3
22 23 24
LSB
1
2
3
22 23 24
LSB
MSB
MSB
(2) I2S Data Format; L-Channel = LOW, R-Channel = HIGH
1/f
S
LRCK
BCK
L-Channel
R-Channel
(= 48 f or 64 f )
S
S
N–2 N–1
N–2 N–1
1
2
3
N
1
2
3
N
1
2
DATA
MSB
LSB
MSB
LSB
(3) Left-Justified Data Format; L-Channel = HIGH, R-Channel = LOW
1/f
S
LRCK
BCK
L-Channel
R-Channel
(= 32 f , 48 f or 64 f )
S
S,
S
N–2 N–1
N–2 N–1
DATA
1
2
3
N
1
2
3
N
1
2
MSB
LSB
MSB
LSB
Figure 22. Audio Data Input Formats
15
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