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CX06833-3X データシートの表示(PDF) - Conexant Systems

部品番号コンポーネント説明メーカー
CX06833-3X SMXXD Modem Conexant
Conexant Systems Conexant
CX06833-3X Datasheet PDF : 78 Pages
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CX06833-3x/4x SMXXD Modem Data Sheet
Contents
1. Introduction..........................................................................................................................................1-1
1.1 Overview ......................................................................................................................................................................... 1-1
1.2 Applications .................................................................................................................................................................... 1-2
1.3 Features .......................................................................................................................................................................... 1-4
1.3.1 General Modem Features ............................................................................................................................... 1-4
1.4 Technical Overview......................................................................................................................................................... 1-5
1.4.1 General Description ........................................................................................................................................ 1-5
1.4.2 MCU Firmware................................................................................................................................................ 1-6
1.4.3 Operating Modes ............................................................................................................................................ 1-6
1.4.3.1 Data/Fax Modes.......................................................................................................................... 1-6
1.4.3.2 V.44 Data Compression.............................................................................................................. 1-7
1.4.3.3 Country Support......................................................................................................................... 1-7
1.4.3.4 TAM Mode.................................................................................................................................. 1-7
1.4.3.5 Speakerphone Mode (S Models)................................................................................................ 1-8
1.4.4 Reference Designs.......................................................................................................................................... 1-9
1.5 Hardware Description ..................................................................................................................................................... 1-9
1.5.1 CX06833 Modem Device ................................................................................................................................ 1-9
1.5.2 CX20442 Voice Codec .................................................................................................................................... 1-9
1.6 AT Commands .............................................................................................................................................................. 1-10
2. Technical Specifications .......................................................................................................................2-1
2.1 Serial DTE Interface Operation........................................................................................................................................ 2-1
2.1.1 Automatic Speed/Format Sensing .................................................................................................................. 2-1
2.2 Parallel Host Bus Interface Operation............................................................................................................................. 2-2
2.3 Establishing Data Modem Connections .......................................................................................................................... 2-2
2.3.1 Dialing ............................................................................................................................................................ 2-2
2.3.2 Telephone Number Directory ......................................................................................................................... 2-2
2.3.3 Modem Handshaking Protocol ....................................................................................................................... 2-2
2.3.4 Call Progress Tone Detection ......................................................................................................................... 2-2
2.3.5 Answer Tone Detection .................................................................................................................................. 2-2
2.3.6 Ring Detection................................................................................................................................................ 2-2
2.3.7 Billing Protection ............................................................................................................................................ 2-3
2.3.8 Connection Speeds......................................................................................................................................... 2-3
2.3.9 Automode ....................................................................................................................................................... 2-3
102228A
Conexant
iii
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