CS48DV2B View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CS48DV2B

32-bit Audio DSP

Cirrus Logic 

CS48DV2B Data Sheet

32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby

5.13 Switching Characteristics — Digital Audio Slave Input Port

DAI_SCLK period

DAI_SCLK duty cycle

Setup time DAI_DATAn

Hold time DAI_DATAn

Parameter

Symbol Min

Tdaiclkp

40

-

45

tdaidsu

10

tdaidh

5

Max

-

55

-

-

Unit

ns

%

ns

ns

DAI_SCLK

T tdaidsu

F DAI_DATAn

tdaidh

A Figure 7. Digital Audio Input (DAI) Port Timing Diagram

DR 5.14 Switching Characteristics — DSD Slave Input Port

Parameter

Symbol

Min

Typ

L I DSD_SCLK Pulse Width Low

DSD_SCLK Pulse Width High

IA H DSD_SCLK Frequency

tsclkl

78

-

tsclkh

78

-

(64x Oversampled) -

1.024

-

DSD_A / _B valid to DSD_SCLK rising setup time

CONFIDENTDELP DSD_SCLK rising to DSD_A or DSD_B hold time

tsdlrs

20

-

tsdh

20

-

Max

-

-

3.2

-

-

Unit

ns

ns

MHz

ns

ns

Figure 8. Direct Stream Digital - Serial Audio Input Timing

18

Copyright 2009 Cirrus Logic

DS875F2

CONFIDENTIAL

Share Link: