CMX850 Communications Controller IC
INNOVATIONS
INV/Telecom/850/2 November 2003
- Single-Chip Embedded 80C51 µC with Integral V.22bis Modem -
www.cmlmicro.com
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
n
n
n
n
n
n
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
n
SMS and ADSI Terminals
n
Telemetry and Remote Meter Reading
n
Vending and Gaming Machines
n
Feature Phones, Smart Phones and Pay Phones
n
Telephone Routers
n
SIA Security Alarms
n
EPOS and ATM Terminals
n
E-mail and Internet Appliances
Integral Low-Power Modem
plus . . .
n
n
n
Integral V.22bis, V.22, V.23 and V.21 (and Bell)
Modems
Stand-Alone FSK (CLI) Demodulator and High-
Sensitivity CAS Tone Detector
Full-Feature Programmable Telephone Signalling Facilities
with
Enhanced
Facilities
Al
Stand-
one F
I) Dem
SK (CL
od
CMX850
Communications
Controller
On-Chip Boot ROM
Config
urable
CTR21 and FCC68
Tx DTM
Line Interface (DAA)
F Twis
t
Designs
EV8500
Evaluation
Kit
- V.22bis Modem - Wireline Signalling - Embedded 80C51 µController - CLI Demodulator - On-Chip RAM -
- Versatile General Purpose I/O Ports - Boot ROM Reprogramming Feature - 100-pin LQFP Package -
- 3V Low-Power Operation with Advanced Dynamic Power Management and Powersave Modes -
- A single-chip product that provides ALL the functions required (data, memory, signalling, switching and control) for
stand-alone wireline telecoms terminals -
CML Microcircuits
COMMUNICATION SEMICONDUCTORS
Application Specific Standard Products for Wireline Telecoms, Two-Way Radio and Wireless Data
Wireline
Telecoms
CMLMICRO [ CML MICROCIRCUITS ]
