73K224BL

更新时间： 2024-11-11 06:31:43

品牌	Logo	应用领域
TERIDIAN		调制解调器
页数	文件大小	规格书
33页	202K
描述
Single-Chip Modem w/ Integrated Hybrid

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中文翻译

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数据手册

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73K224BL 数据手册

73K224BL

V.22bis, V.22, V.21, Bell 212A, 103

Single-Chip Modem w/ Integrated

Hybrid

Simplifying System Integration™

DATA SHEET

DESCRIPTION

FEATURES

The 73K224BL is a highly integrated single-chip

modem IC which provides the functions needed to

construct a V.22bis compatible modem, capable of

2400 bit/s full-duplex operation over dial-up lines. The

73K224BL is an enhancement of the 73K224L single-

chip modem, which adds the hybrid hook switch

control, and driver to the 73K224L. The 73K224BL

integrates analog, digital, and switched-capacitor

array functions on a single chip, offering excellent

performance and a high level of functional integration

in a 32-Lead PLCC package.

•

Includes features of 73K224L single-chip

modem

On chip 2-wire/4-wire hybrid driver and off

hook relay buffer driver

One-chip multi-mode V.22bis/V.22/V.21 and

Bell 212A/103 compatible modem data pump

FSK (300 bit/s), DPSK (600, 1200 bit/s), or

QAM (2400 bit/s) encoding

Software compatible with other TERIDIAN

Semiconductor K-Series one-chip modems

The 73K224BL operates from a single +5 V supply for

low power consumption.

Interfaces directly with standard micro-

processors (80C51 typical)

The 73K224BL is designed to appear to the systems

designer as a microprocessor peripheral, and will

easily interface with popular single-chip micro-

processors (80C51 typical) for control of modem

functions through its 8-bit multiplexed address/data

bus or via an optional serial control bus. An ALE

control simplifies address demultiplexing. Data

communications normally occur through a separate

serial port.

•

Parallel or serial bus for control

Selectable

internal

buffer/debuffer

and

scrambler/descrambler functions

•

All asynchronous and synchronous operating

modes (internal, external, slave)

(continued)

BLOCK DIAGRAM

DTMF,

ANSWER,

GUARD &

CALLING

TONE

GENERATOR

FSK

MODULATOR

DI-BIT/

BUFFER

SCRAMBLER

QUAD-BIT

ENCODER

FIR

PULSE

SHAPER

QAM/

DPSK

MODULATOR

FILTER

EQUALIZER

FILTER

8-BIT

µP

BUS

ATTENUATOR

INTERFACE

TXA1

TXA2

2W/4W

HYBRID

FILTER

A/D

RXA

DIGITAL

SIGNAL

PROCESSOR

RECEIVE

DI-BIT/

QUAD-BIT

DECODER

DEBUFFER

DESCRAMBLER

EQUALIZER

FILTER

FUNCTIONS

FIXED

DEMODULATOR

AGC

GAIN

BOOST

TXD

RXD

SERIAL

INTERFACE

TONE

DETECTION

Page: 1 of 33

Rev 7.1

12 3 4 5 6 7...33

中文翻译

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与73K224BL相关器件

型号	品牌	获取价格	描述	数据表
73K224BL-32IH	TDK	获取价格	Modem, 2.4kbps Data, PQCC32, PLASTIC, LCC-32
73K224BL-IGT	ETC	获取价格	Single-Chip Modem w/ Integrated Hybrid
73K224BL-IH	ETC	获取价格	Single-Chip Modem w/ Integrated Hybrid
73K224BL-IH/F	TERIDIAN	获取价格	Single-Chip Modem w/ Integrated Hybrid
73K224BL-IHR/F	TERIDIAN	获取价格	Single-Chip Modem w/ Integrated Hybrid
73K224L	TERIDIAN	获取价格	Single-Chip Modem
73K224L	TDK	获取价格	V.22bis/V.22/V.21/ Bell 212A/Bell 103 Single-Chip Modem
73K224L-28IH	TDK	获取价格	V.22bis/V.22/V.21/ Bell 212A/Bell 103 Single-Chip Modem
73K224L-28IH	SST	获取价格	Modem, 2.4kbps Data, PQCC28
73K224L-28IH/F	TERIDIAN	获取价格	Single-Chip Modem

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