User guide

24 DS578F3
CS8416
clock all the data bits. When in slave mode, the serial audio output port cannot be set for right-justified data. The
CS8416 allows immediate mute of the serial audio output port audio data by the MUTESAO bit of Control Register 1.
For more information about serial audio formats, refer to the Cirrus Logic applications note AN282, “The 2-Channel
Serial Audio Interface: A Tutorial”, available at www.cirrus.com
.
Figure 7. Serial Audio Output Example Formats
X = don’t care to match format, but does need to be set to the desired setting
* See Serial Output Data Format Register Bit Descriptions for an explanation of the meaning of each bit
SOMS* SOSF* SORES[1:0]* 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
LSBLSB
MSB
LSB
MSB
LSB
MSB
CUVZCUVCUVCUV
Frame 191
Frame 0
Z