User guide

DS686F1 15
CS4270
Figure 4. Master Mode, Left-Justified SAI Figure 5. Slave Mode, Left-Justified SAI
SCLK output
SDOUT
LRCK output
MSB MSB-1 MSB-2 MSB-3
t
mslr
t
sdo
LRCK input
SCLK input
SDOUT
MSB
t
stp
t
hld
t
sclkl
t
sclkh
MSB-1
t
slrd
SCLK output
SDOUT
LRCK output
MSB MSB-1 MSB-2
MSB-3
t
sdo
t
mslr
LRCK input
SCLK input
SDOUT
t
stp
t
hld
t
sclkl
t
sclkh
MSB
t
slrd
Figure 6. Master Mode, I²S SAI Figure 7. Slave Mode, I²S SAI
sdis
t
SCLK
SDIN
sdih
t
sclkw
t
Figure 8. Master and Slave Mode, SCLK/SDIN