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| 型號： | WM9704M |
| 廠商： | Wolfson Microelectronics |
| 元件分類： | Codec |
| 英文描述： | AMC97 Audio and Modem Codec |
| 中文描述： | AMC97音頻和調(diào)制解調(diào)器編解碼器 |
| 文件頁數(shù)： | 1/37頁 |
| 文件大小： | 270K |
| 代理商： | WM9704M |
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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
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
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
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
SI/F
WM9704M
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WM9704Q | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:4-Channel Surround Sound Codec |
| WM9705 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Multimedia AC97 CODEC with Integrated Touch Screen Controller |
| WM9705_06 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Multimedia AC’97 CODEC with Integrated Touch Screen Controller |
| WM9705CSEFL/V | 制造商:Wolfson Microelectronics 功能描述:3-5 V 18 Bit Serial Interface CODEC w/ Touchpanel Controller - QFN-48 |
| WM9705SEFL/RV | 功能描述:接口—CODEC STR AC’97 CODEC T/P Interface 48-pin RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
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