參數(shù)資料
型號(hào): CS42L52-DNZR
廠商: CIRRUS LOGIC INC
元件分類: 消費(fèi)家電
中文描述: SPECIALTY CONSUMER CIRCUIT, QCC40
封裝: 6 X 6 MM, LEAD FREE, MO-220, QFN-40
文件頁數(shù): 30/59頁
文件大?。?/td> 1800K
代理商: CS42L52-DNZR
36
DS680F1
CS42L52
5/13/08
4.7
Digital Interface Formats
The serial port operates in standard IS, Left-justified, Right-justified (DAC only), or DSP Mode digital inter-
face formats with varying bit depths from 16 to 24. Data is clocked out of the ADC or into the DAC on the
rising edge of SCLK.
4.7.1
DSP Mode
In DSP Mode, the LRCK acts as a frame sync for 2 data-packed words (left and right channel) input on
SDIN and output on SDOUT. The MSB is input/output on the first SCLK rising edge after the frame sync
rising edge. The right channel immediately follows the left channel.
LRCK
SCLK
MS B
LS B
MS B
LS B
AOUTA / AINxA
Le ft C han ne l
R ig h t C han ne l
SDOUT
SDIN
AOUTB / AINxB
MSB
Figure 16. IS Format
LRCK
SCLK
MS B
LS B
MS B
LS B
L eft C h an ne l
R ig h t C h a n ne l
SDOUT
SDIN
MSB
AOUTA / AINxA
AOUTB / AINxB
Figure 17. Left-Justified Format
LRCK
SC LK
MS B
LS B
MS B
LS B
L e f t C h an n e l
R i g h t C han ne l
SD IN
AO UTL
AO UTR
Audio W ord Length (AW L)
Figure 18. Right-Justified Format (DAC only)
LRCK
SCLK
MS B
LS B
SDIN
HP/LINE OUTB
LS B
Le ft C h an n e l
R ight C h an n el
MS B
LS B MS B
Audio Word Length (AWL)
1/fs
HP/LINE OUTA
Figure 19. DSP Mode Format)
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