- Single-Chip Embedded 80C51 µC with Integral V.22bis Modem -

Further enhancement of this product has resulted in a group of additional functions which enable the use of the product in a much larger range of wireline telecom end-products. This updated Innovations document details the functions and features of the CMX850 and the product enhancements.
- this highly integrated product removes the need, in a communications end-product, for multiple ICs and their attendant components -

Enhanced 80C51 µC with Internal Memory
■ Extended Memory Addressing
■ Versatile Memory and Peripheral Interfacing
■ 8kB Internal XRAM
■ ‘Real-Time’ Clocks and Timing Facilities
■ Dynamic In-Circuit Programming and Software Upgrading in the Field via Boot ROM Facility
■ Low Power ‘Sleep’ Modes with Programmable Wakeup

APPLICATIONs - Low power and battery-operated communications terminals which need to access the PSTN to upload or download data
■ SMS and ADSI Terminals
■ Telemetry and Remote Meter Reading
■ Vending and Gaming Machines
■ Feature Phones, Smart Phones and Pay Phones
■ Telephone Routers
■ SIA Security Alarms
■ EPOS and ATM Terminals
■ E-mail and Internet Appliances