Figure 10. i2s digital audio format, Figure 11. left-justified digital audio format, Figure 12. dsp digital audio format – Silicon Laboratories SI4734/35-B20 User Manual
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Rev. 1.0
Figure 10. I
2
S Digital Audio Format
Figure 11. Left-Justified Digital Audio Format
Figure 12. DSP Digital Audio Format
LEFT CHANNEL
RIGHT CHANNEL
1 DCLK
1 DCLK
1
3
2
n
n-1
n-2
1
3
2
n
n-1
n-2
LSB
MSB
LSB
MSB
DCLK
DOUT
DFS
INVERTED
DCLK
(OFALL = 1)
(OFALL = 0)
I
2
S
(OMODE = 0000)
LEFT CHANNEL
RIGHT CHANNEL
1
3
2
n
n-1
n-2
1
3
2
n
n-1
n-2
LSB
MSB
LSB
MSB
DCLK
DOUT
DFS
INVERTED
DCLK
(OFALL = 1)
(OFALL = 0)
Left-Justified
(OMODE = 0110)
1
3
2
n
n-1
n-2
n
n-1
n-2
LSB
MSB
LSB
MSB
DCLK
DOUT
(MSB at 1
st
rising edge)
DFS
1
3
2
LEFT CHANNEL
RIGHT CHANNEL
1 DCLK
(OFALL = 0)
(OMODE = 1100)
1
3
2
n
n-1
n-2
n
n-1
n-2
LSB
MSB
LSB
MSB
1
3
2
LEFT CHANNEL
RIGHT CHANNEL
DOUT
(MSB at 2
nd
rising edge)
(OMODE = 1000)