WM8581(2005) 데이터 시트보기 (PDF) - Wolfson Microelectronics plc

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WM8581
(Rev.:2005)

Multichannel CODEC with S/PDIF Transceiver

Wolfson Microelectronics plc 

Production Data

DIGITAL AUDIO INTERFACE – SLAVE MODE

WM8581

Figure 3 Digital Audio Data Timing – Slave Mode

Test Conditions

AVDD, PVDD = 5V, DVDD = 3.3V, AGND = 0V, PGND,DGND = 0V, TA = +25oC, Slave Mode, fs = 48kHz, MCLK and

ADCMCLK = 256fs unless otherwise stated.

PARAMETER

SYMBOL

Audio Data Input Timing Information

PAIFTX_BCLK/

tBCY

PAIFRX_BCLK/SAIF_BCLK cycle

time

PAIFTX_BCLK/

tBCH

PAIFRX_BCLK/SAIF_BCLK pulse

width high

PAIFTX_BCLK/

tBCL

PAIFRX_BCLK/SAIF_BCLK pulse

width low

PAIFTX_LRCLK/

PAIFRX_LRCLK/SAIF_BCLK set-up

time to PAIFTX_BCLK/

tLRSU

PAIFRX_BCLK/SAIF_BCLK rising

edge

PAIFTX_LRCLK/

tLRH

PAIFRX_LRCLK/

SAIF_LRCLK hold time from

PAIFTX_BCLK/

PAIFRX_BCLK/SAIF_BCLK rising

edge

DIN1/2/3/4/SAIF_DIN set-up time to

tDS

PAIFRX_BCLK/

SAIF_BCLK rising edge

DIN1/2/3/4/SAIF_DIN hold time

tDH

from PAIFRX_BCLK/SAIF_BCLK

rising edge

DOUT/SAIF_DOUT propagation

tDD

delay from

PAIFTX_BCLK/SAIF_BCLK falling

edge

Table 5 Digital Audio Data Timing – Slave Mode

TEST CONDITIONS

MIN

TYP

MAX

UNIT

50

ns

20

ns

20

ns

10

ns

10

ns

10

ns

10

ns

0

10

ns

w

PD Rev 4.0 April 2007

17

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