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Figure 18. left-justified serial audio interface, Figure 19. i·s serial audio interface, Figure 20. ovfl output timing, i·s format – Cirrus Logic CS5381 User Manual

Page 12: Cs5381

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DS563F2

CS5381

Figure 18. Left-Justified Serial Audio Interface

SDATA

23

22

7 6

23

22

SCLK

LRCK

23

22

5 4 3 2 1 0

8

7 6 5 4 3 2 1 0

8

9

9

Left Channel

Right Channel

Figure 19. I²S Serial Audio Interface

SDATA

23

22

8 7

23

22

SCLK

LRCK

23

22

6 5 4 3 2 1 0

8 7 6 5 4 3 2 1 0

9

9

Left Channel

Right Channel

LRCK

OVFL

SCLK

OVFL on Left Chan

OVFL on Right Chan

Right Channel Frame

Left Channel Frame

Figure 20. OVFL Output Timing, I²S Format

Figure 21. OVFL Output Timing, Left-Justified Format

L R C K

O V F L

S C L K

O V F L o n R ig h t C h a n

R ig h t C h a n n e l F r a m e

L e f t C h a n n e l F r a m e

O V F L o n L e f t

C h a n