CS4218 데이터 시트보기 (PDF) - Cirrus Logic

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CS4218

16-Bit Stereo Audio Codec

Cirrus Logic 

CS4218

FRAME n

128 SCLK Periods

FRAME (n+2)

FRAME (n+3)

Sub-frame 1

Sub-frame 2

Sub-frame 1

Sub-frame 2

Sub-frame 1

Word A Word B Word A Word B Word A Word B Word A Word B Word A Word B

DATA

SSYNC

MF8: MF7: Sub-

SFS2 SFS1 frame

1 01

1 12

DATA

FRAME n

64 SCLK Periods

FRAME (n+1)

FRAME (n+2)

FRAME (n+3)

FRAME (n+4)

Sub-frame 1

Sub-frame 1

Sub-frame 1

Sub-frame 1

Sub-frame 1

Word A Word B Word A Word B Word A Word B Word A Word B Word A Word B

SSYNC

MF8: MF7: Sub-

SFS2 SFS1 frame

0 01

FRAME n

64 SCLK Periods

FRAME (n+1)

FRAME (n+2)

FRAME (n+3)

FRAME (n+4)

DATA

Sub-frame 1

Sub-frame 1

Sub-frame 1

Sub-frame 1

Sub-frame 1

Word A Word B Word A Word B Word A Word B Word A Word B Word A Word B

MF8: MF7: Sub-

SFS2 SFS1 frame

0 11

SSYNC

Figure 14. SM3-M and SM3-MM Sub-Modes.

SCLK

SDIN

SDOUT

SSYNC

(MF7:SFS1=0)

SSYNC

(MF7:SFS1=1)

DS135F1

MSB

Word A

32 CLOCKS

LSB MSB

LSB

Word B

32 CLOCKS

Figure 15. Detailed SM3-M and SM3-MM Sub-Modes, 64 BPF.

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