CS42448 Datasheet, PDF (34/70 Pages) Cirrus Logic – 108 dB, 192 kHz 6-in, 8-out CODEC

4.5.1 I²S
ADC/DAC_LRCK
ADC/DAC_SCLK
DAC_SDINx
ADC_SDOUTx
MSB
Left Channel
AOUT 1, 3, 5 or 7
AIN 1, 3, or 5
LSB
MSB
Figure 15. I²S Format
Right Channel
AOUT 2, 4, 6 or 8
AIN 2, 4, or 6
4.5.2
ADC/DAC_LRCK
ADC/DAC_SCLK
Left-Justified
Left Channel
Right Channel
DAC_SDINx _{M S B}
ADC_SDOUTx
AOUT 1, 3, 5 or 7
AIN 1, 3, or 5
LSB
MSB
AOUT 2, 4, 6 or 8
AIN 2, 4, or 6
Figure 16. Left Justified Format
LSB
MSB
LSB
MSB
4.5.3 Right Justified
ADC/DAC_LRCK
ADC/DAC_SCLK
DAC_SDINx
ADC_SDOUTx
Left Channel
Right Channel
MSB
AOUT 1, 3, 5 or 7
AIN 1, 3, or 5
LSB
MSB
AOUT 2, 4, 6 or 8
AIN 2, 4, or 6
LSB
Figure 17. Right Justified Format
4.5.4 OLM #1
OLM #1 serial audio interface format operates in single or double-speed mode only and will mas-
ter or slave ADC/DAC_SCLK at 128 Fs.
64 clks
64 clks
ADC/DAC_LRCK
ADC/DAC_SCLK
DAC_SDIN1
DAC_SDIN4
Left Channel
MSB
LSB MSB
LSB MSB
LSB
AOUT1
AOUT3
AOUT5
20 clks
20 clks
20 clks
AOUT7
20 clks
Right Channel
MSB
LSB MSB
LSB MSB
LSB
AOUT2
AOUT4
AOUT6
20 clks
20 clks
20 clks
AOUT8
20 clks
MSB
ADC_SDOUT1
AIN1
20 clks
AIN3
20 clks
AIN5
20 clks
AIN2
20 clks
AIN4
20 clks
AIN6
20 clks
Figure 18. One Line Mode #1 Format
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DS648PP2