CDB4227 View Datasheet(PDF) - Cirrus Logic

Part Name

Description

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CDB4227

Six Channel, 20-Bit Codec

Cirrus Logic 

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

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