WM8721 datasheet(9/37 Pages) WOLFSON

부품명	WM8721

상세설명	Internet Audio DAC with Integrated Headphone Driver

PDF	37 Pages

Scroll/Zoom	100%

제조업체	WOLFSON [Wolfson Microelectronics plc]

홈페이지	http://www.wolfsonmicro.com

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9 / 37 page

Production Data

WM8721 / WM8721L

PD Rev 4.0 November 2004

DIGITAL AUDIO INTERFACE – SLAVE MODE

BCLK

DACLRC

BCH

BCL

BCY

DACDAT

LRSU

LRH

Figure 3 Digital Audio Data Timing – Slave Mode

Test Conditions

AVDD, HPVDD, DVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, TA = +25

oC, slave mode, fs = 48kHz, MCLK = 256fs

unless otherwise stated.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Audio Data Input Timing Information

BCLK cycle time

tBCY

BCLK pulse width high

tBCH

BCLK pulse width low

tBCL

DACLRC set-up time to

BCLK rising edge

tLRSU

DACLRC hold time from

BCLK rising edge

tLRH

DACDAT set-up time to

BCLK rising edge

tDS

DACDAT hold time from

BCLK rising edge

tDH

MPU INTERFACE TIMING

CSB

SCLK

SDIN

CSL

DHO

DSU

CSH

SCY

SCH

SCL

SCS

LSB

CSS

Figure 4 Program Register Input Timing - 3-Wire MPU Interface Timing

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