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| 型號： | AD1821 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | Codec |
| 英文描述： | MODIO(Modem over Audio) SoundComm Host Signal Processing Codec(音頻調(diào)制SoundComm型主信號處理編解碼器) |
| 中文描述： | MODIO（調(diào)制解調(diào)器多音頻）SoundComm主機信號處理編解碼器（音頻調(diào)制SoundComm型主信號處理編解碼器） |
| 文件頁數(shù)： | 1/44頁 |
| 文件大?。?/td> | 284K |
| 代理商： | AD1821 |
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a
AD1821
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
Analog Devices, Inc., 1997
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
MODIO SoundComm
*
Host Signal Processing Codec
FEATURES
General
Compatible with Microsoft
PC 97 Logo Requirements
Supports Applications Written for Windows
95,
Windows 3.1, Windows NT, SoundBlaster
Pro,
AdLib
/OPL3
ISA Plug and Play Compatible
Operation from +5 V Supply
Power Management Modes
100-Lead PQFP Package
Modem
V.34bis (14.4 kbps up to 33.6 kbps)
56k Software Upgradable
V.32/32bis, V.23, V.22/22bis, V.21, Bell 103 and Bell 212
Modem Protocols: V.8 and Automode
V.42/42bis MNP 5 Data Compression and V.43
MNP 2–4 Error Correction
Virtual COM Port 460.8 kbps and 16550 UART
Hayes AT Command Set
Fax
Group 3, Class 1 Support
V.17 (14.4 kbps), V.29 (9600/7200 bps), V.27/V.27ter
Hayes AT Command Set
TIES Escape Sequence
Voice/Telephony
AT#V Commands
Unimodem V
TAPI-Compliant
Voice/Fax/Modem Distinction
Ring Detection
*SoundC omm is a registered trademark of Analog Devices, Inc.
*Phat is a trademark of Analog Devices, Inc.
All other trademarks are the property of their respective holders.
FUNCT IONAL BLOCK DIAGRAM
M
A
I
2
S SERIAL PORT (0)
DIGITAL PLL
G = GAIN
A = ATTENUATE
M = MUTE
MV = MASTER VOLUME
AD1821
X
X
V
V
M
M
A
B
A
B
A
B
A
B
MDM_IN/
PHONE_IN
MIC
LINE
SYNTH
CD
VID
L_OUT
MDM_OUT/
R_OUT
PCLKO
SDATA (1)
LRCLK (1)
BCLK (1)
SDATA (0)
LRCLK (0)
BCLK (0)
IOW
IOR
DACK (X)
AEN
PC_A (15:0)
PC_D (7:0)
IRQ (X)
DRQ (X)
S
S
S
I
2
S SERIAL PORT (1)
F
F
P
P
F
F
16-BIT
A/D
CONVERTER
PGA
S
MPU-401
WSS/
SB PRO
REGISTER
GAME PORT
HARDWARE
VOLUME
CONTROL
AGC
0dB/
OSCILLATORS
16-BIT
D/A
CONVERTER
G
A
M
P
S
MV
MV
DSP SERIAL PORT
G
A
M
G
A
M
G
A
M
S
D
C
E
2
PROM
CONTROL
S
X
MODEM/
LOGICAL
DEVICE
CONTROL
A
M
MV
M
A
M
A
M
A
2
2
2
2
2
PHONE_OUT
P
S
SERIAL PORT
INTERFACE
MUSIC
SYNTHESIZER
G
A
M
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