Z0221524ASCR4508TR datasheet, PDF

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Z0221524ASCR4508TR: DescriptionSingle Chip Modem with Integrated Controller, Data Pump, and Analog Front End; File Size409KB，74 Pages; ManufacturerZilog, Inc.; Websitehttps://www.zilog.com/

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Z0221524ASCR4508TR Overview

Single Chip Modem with Integrated Controller, Data Pump, and Analog Front End

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Z02215

Single Chip Modem with

Integrated Controller, Data

Pump, and Analog Front End

Product Specification

PS001907-0904

ZiLOG Worldwide Headquarters • 532 Race Street • San Jose, CA 95126

Telephone: 408.558.8500 • Fax: 408.558.8300 •

www.ZiLOG.com

Z02215

Single Chip Modem with Integrated Controller, Data Pump, and AFE

iii

Table of Contents

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Parallel Host Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

IDLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

DIALING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

HANDSHAKE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

ON-LINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

COMMAND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Retrain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

AT Command Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Command Line Execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

AT Command Prefix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

A/ Repeat Last Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

<CR> End-of-Line Character . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Dial Modifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Setting the Highest Line Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Result Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Modem S-Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Minitel Line Reversal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

General Description of the Turnaround Principle . . . . . . . . . . . . . . . . . . . . 44

DYNAMIC REVERSE Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

STATIC REVERSE Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Escape Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

TIES Escape Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Carrier Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Blacklisting Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Configurations and Data Rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Data Encoding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Transmitted Data Spectrum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Active Hybrid Circuit and Relay Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Dynamic Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Clock Oscillator Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

PS001907-0904

Table of Contents

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