Cirrus Logic CS8420 - Manual (Page 21)

DS245F4 21
CS8420
Figure 18. Serial Audio Output Example Formats
X = don’t care to match format, but does need to be set to the desired setting
* not 11 - See Serial Output Data Format Register Bit Descriptions for an explanation of the meaning of each bit
SOMS SOSF SORES1/0 SOJUST SODEL SOSPOL SOLRPOL
Left-Justified X X XX* 0 0 0 0
I²S X X XX* 0 1 0 1
Right-Justified 1 X XX* 1 0 0 0
AES3 Direct X X 11 0 0 0 0
OLRCK
OSCLK
SDOUT
Channel A Channel B
Left
Justified
(Out)
OLRCK
OSCLK
Channel A
SDOUT
Channel B
I²S
(Out)
OLRCK
OSCLK
Channel A Channel B
MSB
SDOUT
MSB LSB LSB MSB Extended MSB Extended
Right
Justified
(Out)
OLRCK
OSCLK
Channel A Channel B
MSB SDOUT LSB LSB
Channel A Channel B
LSB LSB MSB MSB MSB
AES3
Direct
(Out)
MSB MSB MSB LSB LSB
MSB LSB MSB LSB MSB
C U V Z C U V C U V C U V
Frame 191 Frame 0
Z