CS4227 Datasheet, PDF (16/36 Pages) Cirrus Logic – Six Channel, 20-Bit Codec

CS4227
FORMAT 0, 1, 2: LRCK
Format 0: M = 20
Format 1: M = 18
SCLK
Format 2: M = 16
SDIN
LSB
FORMAT 3:
LRCK
SCLK
SDIN
MSB
Left
MSB
LSB
M SCLKs
Left
LSB
MSB
Right
MSB
LSB
M SCLKs
Right
LSB
MSB
FORMAT 4:
LRCK
SCLK
SDIN
Left
MSB
LSB
Right
MSB
LSB
Note: SCLK shown for DSCK = 0. SCLK inverted for DSCK = 1.
Figure 8. Audio DSP and Auxiliary Port Data Input Formats
FORMAT 0, 1, 2:
Format 0: M = 20
Format 1: M = 18
Format 2: M = 16
LRCK
SCLK
SDOUT LSB
FORMAT 3:
LRCK
SCLK
SDOUT
MSB
Left
MSB
LSB
M SCLKs
Left
LSB
MSB
Right
MSB
LSB
M SCLKs
Right
LSB
MSB
FORMAT 4:
LRCK
SCLK
SDOUT
Left
MSB
LSB
Right
MSB
LSB
Note: SCLK shown for DSCK = 0. SCLK inverted for DSCK = 1.
Figure 9. Audio DSP Port Data Output Formats
FORMAT 5:
LRCK
SCLK
SDIN1
SDOUT1
FORMAT 6:
(Master Mode Only)
LRCK
SCLK
SDIN1
SDOUT1
64 SCLKS
64 SCLKS
MSB
LSB MSB
LSB MSB
LSB
DAC #1
DAC #3
DAC #5
20 clks
20 clks
20 clks
SDOUT1
SDOUT2
20 clks
20 clks
128 SCLKS
MSB
LSB MSB
LSB MSB
LSB
DAC #2
DAC #4
DAC #6
20 clks
20 clks
20 clks
SDOUT1
SDOUT2
20 clks
20 clks
128 SCLKS
MSB LSB
DAC #1
32 clks
SDOUT1
32 clks
MSB LSB
DAC #3
32 clks
SDOUT2
32 clks
MSB LSB
DAC #5
32 clks
MSB LSB
DAC #2
32 clks
SDOUT1
32 clks
Figure 10. One Data Line Modes
MSB LSB
DAC #4
32 clks
SDOUT2
32 clks
MSB
MSB LSB
DAC #6
32 clks
16
DS281PP2