
LRCK
(2) I2S Data Format; L-Channel = LOW, R-Channel = HIGH
MSB
LSB
1/fS
(= 32 fS, 48 fS, or 64 fS)
18-Bit Right-Justified
1/fS
(1) Standard Data Format; L-Channel = HIGH, R-Channel = LOW
(3) Left-Justified Data Format; L-Channel = HIGH, R-Channel = LOW
MSB
LSB
20-Bit Right-Justified
MSB
LSB
24-Bit Right-Justified
1/fS
(= 48 fS, or 64 fS)
LSB
16-Bit Right-Justified, BCK = 48 fS or 64 fS
16-Bit Right-Justified, BCK = 32 fS
LSB
L-Channel
R-Channel
BCK
DATA
14 15 16
16 17 18
DATA
1
2
3
16 17 18
18 19 20
1
2
3
18 19 20
22 23 24
1
2
3
MSB
LSB
MSB
LSB
MSB
LSB
1
2
3
14 15 16
1
2
3
16 17 18
1
2
3
18 19 20
22 23 24
MSB
LSB
1
2
3
22 23 24
L-Channel
R-Channel
LRCK
BCK
DATA
1
2
3
1
2
MSB
N–2
N
N–1
LSB
L-Channel
R-Channel
LRCK
BCK
DATA
T0009-05
MSB
1
2
3
MSB
1
2
3
MSB
1
2
3
1
2
3
MSB
N–2
N
N–1
LSB
1
2
3
MSB
N–2
N
N–1
LSB
1
2
3
MSB
N–2
N
N–1
LSB
(= 48 fS, or 64 fS)
1
2
SLES146A – AUGUST 2005 – REVISED OCTOBER 2010
www.ti.com
Figure 22. Audio Data Input Formats
16
Copyright 2005–2010, Texas Instruments Incorporated