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CX90240 PDF预览

CX90240

更新时间: 2024-09-15 12:51:35
品牌 Logo 应用领域
科胜讯 - CONEXANT 调制解调器
页数 文件大小 规格书
2页 262K
描述
V.22bis Modem with 4th Generation SmartDAA

CX90240 数据手册

 浏览型号CX90240的Datasheet PDF文件第2页 
Embedded Dial-Up Modems  
V.22bis Applications  
V.22bis Modem with 4th Generation  
SmartDAA  
CX90240  
Conexant’s portfolio includes a comprehensive suite of semiconductor  
solutions for broadband communications and the digital home.  
®
2400 bps Modem with SmartDAA 4 for Embedded  
Applications  
Conexant’s broadband communications portfolio includes a comprehensive  
suite of semiconductor solutions that enable the digital home and information  
network. Conexant modem solutions deliver a high level of integration and  
robust performance. The CX90240 modem device is a simplified design in a  
small form-factor which allows for quick time-to-market. The CX90240 modem  
supports worldwide DAA and data modes up to 2400bps.  
Conexant’s proprietary SmartDAA® 4 line side device builds on three  
generations of market leading silicon DAA devices. It reduces Bill of  
Material (BOM) cost and necessary board space, making it the most cost  
efficient silicon DAA in the market. It eliminates the need for costly analog  
transformers, relays and opto-isolators typically used in discrete DAA  
implementation for country-specific modem configurations. The result is a  
worldwide reduced system cost solution using a single BOM. The SmartDAA4  
is system-powered, making it the most reliable and best performing silicon  
DAA in the market.  
Distinguishing Features  
• Modulations  
• ITU-T V.22bis (2400 bps)  
- V.22 and Bell 212A (1200 bps)  
- V.22 fast connect  
- V.21 and Bell 103 (300 bps)  
- V.23 1200/75 and 75/1200  
- V.23 Half Duplex (1200 bps)  
• V.42 and MNP2-4 Error Correction  
• Serial Interface  
• Synchronous/Asynchronous Data Mode -  
Hardware and software flow control  
• Supports AT Command Set  
• Other Protocols  
This low cost solution integrates microcontroller (MCU), serial host interface,  
ROM, RAM and SmartDAA System Side Device (SSD) functions onto a single  
die. The easy-to-use design is pin-to-pin compatible with Conexant’s CX93011  
product in a 20-pin Quad Flat-No Lead (QFN) package.  
- V.80 Synchronous Access Mode  
- V.23 Reverse Mode  
Applications  
Conexant’s CX90240 modem is ideal for embedded applications such as:  
• Type I and Type II Caller ID Decoding  
• Worldwide DC Mask Compliance  
• Enhanced DAA features  
- Digital Line Protection  
•ꢀ POS Terminals  
•ꢀ Set-top Boxes  
•ꢀ Email Terminals  
- Line-in-Use Detection  
•ꢀ ATM Machines  
Advantages  
- Extension Pickup Detection  
- Remote Hang-up Detection  
• Single +3.3V supply  
•ꢀ Pin-compatible to CX93011 Serial Modem  
•ꢀ SmartDAA 4 technology  
•ꢀ Worldwide support  
• 20-pin QFN  
Part Number CX90240  
•ꢀ Quick time-to-market  
•ꢀ Low-cost solution  
•ꢀ Small form-factor  
Description V.22bis Modem with 4th  
Generation SmartDAA  

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