Cirrus Logic CS5381 - Manual (Page 12)

12 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