CS4244 Datasheet, PDF (50/63 Pages) Cirrus Logic – 4 In/4 Out Audio CODEC with PCM and TDM Interfaces

6.5.3
CS4244
Serial Data Output Sidechain
Setting this bit enables the SDOUT1 side chain feature. In this mode, the samples from multiple devices
can be coded into one TDM stream. See Section 4.6.2 ADC Path for details.
SDO CHAIN
0
1
Sidechain is:
Disabled
Enabled
6.5.4
Master/Slave
Setting this bit places the CS4244 in master mode, clearing it places it in slave mode.
MASTER/SLAVE
0
1
CS4244 is in:
Slave Mode
Master Mode
Note: I²S and Left Justified are the only serial port formats available if the CS4244 is in Master Mode.
6.6 Serial Port Data Select (Address 09h)
7
Reserved
6
Reserved
5
4
3
DAC1-4 SOURCE[2:0]
2
1
0
Reserved[2:0]
6.6.1
DAC1-4 Data Source
Sets which portion of data is to be routed to the DAC1-4 data paths.
DAC1-4 SOURCE Data is routed into the DAC1-4 path from:
000
Slots 1-4 of the TDM stream on SDIN1
001
Slots 5-8 of the TDM stream on SDIN1
010
Slots 9-12 of the TDM stream on SDIN1
011
Slots 13-16 of the TDM stream on SDIN1
100
Slots 1-4 of the TDM stream on SDIN2
101
Slots 5-8 of the TDM stream on SDIN2
110
Slots 9-12 of the TDM stream on SDIN2
111
Slots 13-16 of the TDM stream on SDIN2
DS900F2
50