SI4704 Datasheet, PDF (20/36 Pages) Silicon Laboratories – Worldwide FM band support (64-108 MHz) integrated antenna support EN55020 compliant

Si4704/05-C40
(OFALL = 1)
INVERTED
DCLK
(OFALL = 0)
DCLK
I²S
(OMODE = 0000)
DFS
DOUT
(OFALL = 1)
INVERTED
DCLK
(OFALL = 0)
DCLK
Left-Justified
(OMODE = 0110)
DFS
DOUT
1 DCLK
1
MSB
LEFT CHANNEL
1 DCLK
2
3
n-2
n-1
n
LSB
1
2
MSB
Figure 10. I²S Digital Audio Format
RIGHT CHANNEL
3
n-2
n-1
n
LSB
LEFT CHANNEL
RIGHT CHANNEL
1
2
3
MSB
n-2
n-1
n
LSB
1
2
3
MSB
Figure 11. Left-Justified Digital Audio Format
n-2
n-1
n
LSB
(OFALL = 0)
DCLK
DFS
(OMODE = 1100)
DOUT
(MSB at 1^st rising edge)
DOUT
(OMODE = 1000) (MSB at 2^nd rising edge)
1
MSB
1 DCLK
2
1
MSB
LEFT CHANNEL
3
n-2
n-1
LEFT CHANNEL
2
3
n-2
n
1
2
LSB
MSB
n-1
n
1
LSB
MSB
RIGHT CHANNEL
3
n-2
n-1
RIGHT CHANNEL
2
3
n-2
Figure 12. DSP Digital Audio Format
n
LSB
n-1
n
LSB
20
Rev. 1.0