CS42428 datasheet(28/73 Pages) CIRRUS

28 / 73 page

DS605F1

CS42428

Left C ha nnel

R ig ht C ha nnel

DAC_SDINx

ADC_SDOUT

+3 +2 +1

+5 +4

-1 -2 -3 -4 -5

+3 +2 +1

+5 +4

-1 -2 -3 -4

MSB

LSB

DAC_LRCK

ADC_LRCK

DAC_SCLK

ADC_SCLK

Figure 12. I²S Serial Audio Formats

I²S Mode, Data Valid on Rising Edge of SCLK

Bits/Sample

SCLK Rate(s)

Notes

Master

Slave

64 Fs

48, 64, 128 Fs

Single-Speed Mode

64 Fs

Double-Speed Mode

64 Fs

Quad-Speed Mode

18 to 24

64, 128, 256 Fs

48, 64, 128 Fs

Single-Speed Mode

64 Fs

Double-Speed Mode

64 Fs

Quad-Speed Mode

DAC_LR CK

ADC_LR CK

DAC_SC LK

ADC_SC LK

Left Channel

R ight C hannel

DAC_SDINx

ADC_SDO UT

+3 +2 +1

+5 +4

-1 -2 -3 -4 -5

+3 +2 +1

+5 +4

-1 -2 -3 -4

MSB

LSB

MSB

LSB

Figure 13. Left-Justified Serial Audio Formats

Left-Justified Mode, Data Valid on Rising Edge of SCLK

Bits/Sample

SCLK Rate(s)

Notes

Master

Slave

64 Fs

32, 48, 64, 128 Fs

Single-Speed Mode

64 Fs

32, 64 Fs

Double-Speed Mode

64 Fs

32, 64 Fs

Quad-Speed Mode

18 to 24

64, 128, 256 Fs

48, 64, 128 Fs

Single-Speed Mode

64 Fs

Double-Speed Mode

64 Fs

Quad-Speed Mode

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