WM9704CFTSLASHV datasheet(1/37 Pages) WOLFSON

tên linh kiện	WM9704CFT/V

Giải thích chi tiết về linh kiện	AMC97 Audio and Modem Codec

PDF	37 Pages

Scroll/Zoom	100%

nhà sản xuất	WOLFSON [Wolfson Microelectronics plc]

Trang chủ	http://www.wolfsonmicro.com

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1 / 37 page

WM9704M

AMC’97 Audio and Modem Codec

Production Data, January 2001, Rev 3.2

WOLFSON MICROELECTRONICS LTD

Lutton Court, Bernard Terrace, Edinburgh, EH8 9NX, UK

Tel: +44 (0) 131 667 9386

Fax: +44 (0) 131 667 5176

Email: sales@wolfson.co.uk

http://www.wolfson.co.uk

Production Data datasheets contain final

specifications current on publication date.

Supply of products conforms to Wolfson

Microelectronics’ Terms and Conditions.

 2001 Wolfson Microelectronics Ltd

.

DESCRIPTION

WM9704M is a high quality audio codec compliant with the

AC'97 Revision 2.1 specification. The WM9704M has a

proprietary mode which can meet the requirements of an

AMC’97 codec. It performs full duplex 18-bit codec functions

from 8 to 48ksamples/s and offers excellent quality with

high SNR. Features include 3D sound and line-level

outputs. Support is also provided for variable sample rates

and master/slave mode operation.

In modem mode the device supports simultaneous modem

and stereo playback.

WM9704M is interchangeable with AC'97 Codecs from

Wolfson and other suppliers in the basic Revision 2.1 mode.

WM9704M is fully operable with 3.3V or 5V or mixed

3.3/5.0V supplies and is packaged in an industry standard

48-pin TQFP package.

FEATURES

•

4 DAC channels, stereo ADC

•

S/N ratio > 95dB

•

Variable rate audio and modem support

•

Analogue 3D stereo enhancement

•

Line level outputs

•

Master/slave ID selection

•

Low power implementation

•

3.3V or 5V operation

•

48-pin TQFP package

APPLICATIONS

• Simultaneous modem operation and stereo playback

BLOCK DIAGRAM

(2) XTLIN

(3) XTLOUT

Σ

MUX

(37) MONOOUT

(39,41)

LINEOUT

(REAR)

(35,36)

LINEOUT

(FRONT)

Σ

(45) CID0

(46) CID1

(43,44,48)

GPIO[1:3]

(6) BITCLK

(10) SYNC

(8) SDATAIN

(5) SDATAOUT

(11) RESETB

(47) EAPD

(30) MODE0

(40) MODE1

REV. 2.1

SWITCH

REAR

STEREO

DAC

SRC

SERIAL

I/F

KEY:

MONO

STEREO

VOL/

MUTE

VOL/

MUTE

VOL/

MUTE

VOL/

MUTE

VOL/

MUTE

VOL/

MUTE

VOL/

MUTE

VOL/

MUTE

FRONT

STEREO

DAC

SRC

VOL/

MUTE

VOL/

MUTE

VOL/

MUTE

VOL/

MUTE

VOL/

MUTE

VOL/

MUTE

Σ

CD (18,20)

LINEIN (23,24)

VIDEO (16,17)

AUX (14,15)

PHONE (13)

PCBEEP (12)

MIC[1] (21)

MIC[2] (22)

0dB/

20dB

MASTER/

SLAVE

SELECT

GENERAL IO

SUPPORT

OSC

3D

VOL

STEREO

ADC

SRC

MUX

RECORD

MUX

AND

MUTE

SERIAL

I/F

WM9704M

Số phần tương tự - WM9704CFT/V

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