Datasheet > WM8802

WM8802

更新时间： 2024-11-22 21:54:31

品牌	Logo	应用领域
欧胜 - WOLFSON		/
页数	文件大小	规格书
65页	516K
描述
Digital Audio Interface Transceiver

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WM8802 数据手册

WM8802

Digital Audio Interface Transceiver

DESCRIPTION

FEATURES

•

PLL circuit for synchronization with transferred input bi-

phase mark signal.

The WM8802 is

a digital audio interface transceiver

conforming to IEC 60958/61937 and EIAJ CP-1201. The

device supports data sampling input rates of up to 192 kHz.

Data input to the serial digital audio data input pin can also

be modulated. The WM8802 features up to 6 data inputs

and 1 data output.

•

Input sampling frequency: 32kHz to 192kHz

Outputs clocks: fs, fs/2, 2fs, 32fs, 64fs, 128fs, 256fs,

384fs, and 512fs.

•

4-Wire CCB MPU Serial Control or Hardware Default

Interface

Data can be demodulated using the on-board PLL or with

the use of an external clock source.

•

Master or Slave Clocking Mode

Programmable Audio Data Interface Modes

The WM8802 is controlled via a 4-wire CCB compatible

control interface. This interface provides access to the

channel status bits. The WM8802 also provides a number

of flag outputs including PCM data valid, de-emphasis, lock

and IEC 61937, DTS-CD/LD detection.

−

I²S, Left, Right Justified

16/20/24/32 bit Word Lengths

•

3.3V Digital supply Operation

5V tolerant digital input ports

The device is available in a small 48-pin SQFP package.

APPLICATIONS

•

DVD Receivers

AV Amplifiers

DVD Recorders

BLOCK DIAGRAM

AUDIO/VO

XMODE

INT CL

EMPH/UO

WM8802

MICROCONTROLLER

I/F

CBIT, UBIT

RXOUT

RX0

RERR

RDATA

RX1

RX2

RX3

RX4

DEMODULATION

AND

LOCK DETECT

DATA

SELECTOR

INPUT

SELECTOR

RX5/VI

RX6/UI

SDIN

PLL

RMCK

LPF

RBCK

CLOCK

SELECTOR

RLRCK

TMCLK/GPIO0

TBCLK/GPIO1

TLRCLK/GPIO2

TDATA/GPIO3

MODULATION

AND

PARALLEL PORT

SBCK

1/N

SLRCK

TXO/GPIOEN

CKST

XMCLK

XOUT

XIN

WOLFSON MICROELECTRONICS plc

Product Preview, April 2004, Rev 1.1

w :: www.wolfsonmicro.com

12 3 4 5 6 7...65

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