AD1821 Analog Devices, AD1821 Datasheet

AD1821

Manufacturer Part Number

AD1821

Description

Manufacturer

Analog Devices

Datasheet

1.AD1821.pdf (44 pages)

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*SoundComm 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.

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.

PHONE_OUT

FEATURES

General

Compatible with Microsoft

Supports Applications Written for Windows

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

MDM_OUT/

PHONE_IN

MDM_IN/

Windows 3.1, Windows NT, SoundBlaster

SYNTH

R_OUT

L_OUT

AdLib

LINE

MIC

VID

AD1821

/OPL3

0dB/

20dB

G = GAIN

A = ATTENUATE

M = MUTE

MV = MASTER VOLUME

PC 97 Logo Requirements

AGC

FUNCTIONAL BLOCK DIAGRAM

Pro,

95,

HARDWARE

CONTROL

VOLUME

CONVERTER

16-BIT

PGA

D/A

OSCILLATORS

CONTROL

LOGICAL

MODEM/

DEVICE

CONVERTER

16-BIT

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 617/329-4700

Fax: 617/326-8703

A/D

V.42/42bis MNP 5 Data Compression and V.43

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

Host Signal Processing Codec

MNP 2–4 Error Correction

CONTROL

PROM

MODIO™ SoundComm

DSP SERIAL PORT

SB PRO

WSS/

SERIAL PORT

INTERFACE

MPU-401

World Wide Web Site: http://www.analog.com

SYNTHESIZER

S SERIAL PORT (0)

S SERIAL PORT (1)

MUSIC

GAME PORT

DIGITAL PLL

AD1821

DRQ (X)

IRQ (X)

PC_D (7:0)

PC_A (15:0)

AEN

DACK (X)

IOR

IOW

BCLK (0)

LRCLK (0)

SDATA (0)

BCLK (1)

LRCLK (1)

SDATA (1)

PCLKO

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