CS4222_02 Datasheet, PDF (20/29 Pages) Cirrus Logic – 20-Bit Stereo Audio Codec with Volume Control

CS4222
FORMAT 0:
(Stand-Alone and
Conntrol Port Mode)
LRCK
SCLK
SDIN
Left
MSB
LSB
R ig ht
MSB
LSB
FORMAT 1:
( Conntrol Port M ode
only)
LRCK
SCLK
SDIN
MSB
Left
LSB
MSB
FORMAT 2, 3, 4:
Form at 2: M = 20
Form at 3: M = 18
Format 4: M = 16
( Conntrol Port Mode only)
LRCK
SCLK
SDIN
LSB
Left
MSB
LSB
M SCLKs
Note: SCLK shown for DSCK = 0. SCLK inverted for DSCK = 1.
Figure 9. Audio DSP Data Input Formats.
R ig ht
LSB
MSB
R ig h t
MSB
LSB
M SCLKs
FORMAT 0:
(Stand-Alone and
Conntrol Port Mode)
LRCK
SCLK
SDOUT
Left
MSB
LSB
Right
MSB
LSB
FORMAT 1:
( Conntrol Port Mode
only)
LRCK
SCLK
SDOUT
MSB
Left
LSB
MSB
Note: SCLK shown for DSCK = 0. SCLK inverted for DSCK = 1.
Figure 10. Audio DSP Data Output Formats.
Right
LSB
MSB
20
DS236F1