Introduction
Overview
The Conexant® SmartV.XX Modem is a full-featured, worldwide, controller-based modem that integrates modem controller (MCU), modem data pump (MDP), 256 KB ROM, 32 KB RAM, and SmartDAA system side device (SSD) functions onto a single die.
The modem operates by executing firmware from internal ROM and RAM. Optional customized firmware is supported with optional external flash ROM memory. Additionally, added/modified country profiles are supported by internal SRAM patch (maximum of one profile) or serial EEPROM. Downloadable architecture supports downloading of customized MCU firmware from the host/DTE to the SmartV.XX modem.
The SmartV.XX Modem device set consists of a CX81801 modem device in a 128-pin TQFP and a CX20493 SmartDAA Line Side Device (LSD) in a 28-pin QFN.

APPLICATIONs
• Set top boxes
• Gaming devices
• Point of sale terminals
• Remote monitoring and data collections systems
• Handheld computers
• Other embedded systems