CS8427 Datasheet, PDF (23/59 Pages) Cirrus Logic – 96 kHz Digital Audio Interface Transceiver

CS8427
ILRCK
Left
Justified ISCLK
(In)
SDIN MSB
Channel A
LSB
MSB
Channel B
LSB
MSB
ILRCK
Channel A
Channel B
I²S
ISCLK
(In)
SDIN
MSB
LSB
MSB
LSB
MSB
Right
Justified
(In)
ILRCK
ISCLK
SDIN
Channel A
MSB
LSB
Channel B
MSB
LSB
Left Justified
I²S
Right Justified
SIMS*
X
X
X
SISF*
X
X
X
SIRES*[1:0]
00+
00+
XX
SIJUST*
0
0
1
SIDEL*
0
1
0
SISPOL*
0
0
0
SILRPOL*
0
1
0
X = don’t care to match format, but does need to be set to the desired setting
+ I²S can accept an arbitrary number of bits, determined by the number of ISCLK cycles
* See Serial Input Port Data Format Register Bit Descriptions for an explanation of the meaning of each bit
Figure 15. Serial Audio Input Example Formats
DS477F3
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