CML Seminar with Macro Team

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CML Seminar with Macro Team

• A review of CML products
• Presented by David Falp
• Area Sales Manager

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Scope of presentation

• CML - An Introduction
• Define CMLs position/products today
• Two Way Radio
• Wireline Telecoms
• Wireless Data
• Including-
• Product applications
• Review current market needs
• CML A Summary

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CML Consumer Microsystems plc

• Headquarters - CML Microcircuits (UK) Ltd
• A fabless chip manufacturer/group
• 30 years telecoms market experience
• Experience in most IC processes, CMOS, BiCMOS,
  Bipolar, GaaS
• Offer ASIC service

• Two design centres in the UK
• Sales offices in US and Singapore
• Sales, marketing technical support for
  worldwide customer base
• 250 employees worldwide
• Over 60 distributors

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Two-Way Radio

• CML Where our products are used
• CMX88n series Baseband processors
• CMX838 FRS Family Radio processor
• CMX649 CVSD Voice Codec

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Two-Way radioWhere CML fits
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CMX88n series Baseband processors

• A family of products for
• FRS/PMR446 low cost radio
• Professional trunked radio
• Maritime VHF radio
• Secure radio design

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CMX881, CMX882 and CMX883 Features

• Voice Processing-
• Pre/de-emphasis
• Voiceband sub-audio filtering
• Input modulation gain control
• In-band sub-audio signalling-
• CTCSS
• DCS
• SELCALL In-band Signalling
• Data capability-
• FFSK/MSK Encode/Decode (1200/2400 bps for
  MPT1327)
• DTMF

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CMX881 High integration PMR

• Follows our design strategy for high integration
• Designed for mid to high end professional radio
  design
• Mops up many functional blocks onto single chip
• MPT1327 trunked applications
• Simple control through serial C-bus
• Low power

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CMX882/883 for FRS Market

• CMX883 for FRS
• Audio processing
• CTCSS (extended) and DCS
• Basic in-band signalling

• CMX882 for FRS data
• GPS data decode capability
• MSK/FFSK modem for additional future markets
  (text messaging?)

Current Future markets
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CMX882 CMX883 Leisure Radio ICs

• Aimed at FRS/PMR446/Leisure market
• Low cost, high integration
• Addition of modem for GPS, text messaging over
  FRS
• Small footprint
• Easy implementation with serial bus
• Suitable for marine VHF

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CMX882 FRS GPS System Diagram
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CMX88n family summary

• Multiple radio applications through FRS to
  professional radio
• High integrations allows for
• Simplified design
• Low cost
• Low component count
• Small footprint

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CMX838 PMR446 Audio processor on-board
Synthesiser
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CMX838Overview

• A highly integrated signal processor for FRS,
  PMR446 and GMRS radio designs.
• Audio, Sub-audio and RF Synthesizer all on-chip
• C bus serial control
• 2.7-5.5V supply, low power consumption
• TSSOP package

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CMX838 Overview

• Significant advances on a single chip
• Advanced CTCSS tone processor Integrated
  synthesizer
• Supports FRS, PMR446 and GMRS characteristics
• Integrated digital gains for trim and level
  controls
• Baseband clock developed from synthesizer
  reference
• Integrated audio tone generator
• External signal processing port for standard
  options

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CMX838 Design Advantages

• High level of integration
• Lower external part count
• Lower BOM cost
• Smaller board space
• Lower power consumption
• 12mA _at_ 3.0V during TX operation
• Commonly encountered requirements have been
  pre-programmed
• Standard TIA-603 tones pre-programmed (CTCSS)
• FRS/GMRS/PMR446 channels pre-programmed
• Flexible operating modes pre-programming allow
  for faster software development

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Summary

• For the customer The CMX838
• can streamline your FRS/PMR design project
• can reduce your external part count
• can lower your radio power consumption
• can allow for new and innovative features in your
  products
• All this functionality available in a TSSOP
  package!

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CMX649 Voice Codec

• Full duplex voice CODEC
• 64 kbps CVSD
• m-law/A-law PCM modes
• 13 bit linear PCM
• Very low power
• Programmable gain amplifiers for analog I/O
• Analog output for earphone/speaker
• Data rates from 16 to 128 Kbps
• Programmable audio bandpass up to 14KHz
• 20 Pin TSSOP package

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CMX649 Block Diagram
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CMX649 Target Applications

• Digital cordless headsets (non - BlueTooth )
• BlueTooth transceiver
• Digital voice systems that need
• m-law/A-law PCM
• CVSD

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Summary

• ADM voice CODEC
• Low power consumption (2mA _at_ 2.7V)
• Price/performance for consumer applications
• Samples April, production summer of 2002
• Applications
• Wireless headsets
• BlueTooth chips that do not integrate CODEC
• Other digital voice applications

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Wireline Telecoms

• CML Modems
• Current market established CML products
• DE8681 V.22bis modem design tool
• CMX866 V.22bis AT Command set
• CMX878 V.22bis DAA Components
• CMX850 V.22bis modem 80C51 Micro controller
• CML ISDN products
• CMX635 Subscriber processor

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Overview

• CML has an established reputation for low power,
  high performance modems.
• We need to maintain market position against
  strong competition
• Design-in opportunities demand more in terms of
  support
• Competitive products offer higher integration
  complete solutions, and reference circuits

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Modem Signalling Speed Evolution
Modem technology
DTMF FSK DPSK QAM
TCM V.23 V.22
V.22bis V.32bis
SMS Meter Reading LCR
Payphones Set Top Box Data-loggers
Alarms EPOS
Application
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Established products

• V.22bis CMX868
• V.22 CMX867
• V.23 CMX624 CMX860

• We are now offering V.22bis
• AT Command set
• Line interface embedded components
• Reference designs
• CMLs edge is power consumption BUT many
  applications are mains powered!

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DE8681 Socket Modem Design tool

• Uses CMX868 V.22bis modem
• Approvable design to CTR21
• Small footprint, pin compatible with Conexant
  socket modem
• AT Command firmware
• Plug n play design
• Transformer based line interface
• 2.7V to 5.5V operation

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DE8681 CMX868 typical application

• New design for telemetry, module measures tank
  status sends data via PSTN
• Modem can also handle system status, fault
  conditions, firmware downloads, etc
• Customer design is based around DE8681

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DE8681 Summary

• Drop-in design
• CTR21 approvable
• Low power
• Flash PIC design allows customer firmware
  upgrades
• CLI Firmware to be made available
• Inexpensive BOM cost

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CMX866 V.22bis modem AT

• All standard CMX868 features plus Embedded AT
  Command Set.
• Advantages-
• Reduces load on host processor.
• Simplifies operating software.
• Device controlled via RS232 serial port at 9600
  bps.

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CMX866 Features, as per CMX868

• Integral AT Command Set with 'Fast Connect'
• V.23 and Bell 202 'Fast Turnaround
• AND
• V.22bis, V.22 and Bell 212A QAM/DPSK
• V.23, Bell 202, V.21 and Bell 103 FSK
• Support for Type 1 Caller Line Indentification
• DTMF/Programmable Tones Tx and Rx
• 28-Pin SSOP and SOIC Packages
• Low-Power 2.7 Volt Operation
• 'Zero-Power' and Powersave Standby Modes

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CMX878 modem DAA

• Provides DAA (digital access arrangement) Support
  and Control
• Allows a Line Powered Interface to Telephone Line
• Generates regulated power to run uC and other
  external devices

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CMX878 - Preliminary Application Circuit
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CMX878

• Advantages
• Low cost external components for line power
  operation
• Simplified Design with less external components
• Line power available through CMX878
• Reduced Time to Market, applications information
  reference circuits to come
• Reduced Costs

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CMX850 V.22bis modem 80C51 Micro

• ENHANCED 80C51 MICROCONTROLLER
• V.22bis INTEGRAL MODEM
• 8KBYTES OF INTERNAL RAM
• DUAL CLOCK SYSTEM
• ADVANCED POWER MANAGEMENT

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Functional Diagram
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CMX850 modem micro features

• V.22bis with fallback modes
• Line Phone differential drivers and receivers
• Programmable Tone codecs
• DTMF
• Call Progress Answertone detection
• Tx Rx levels software adjustable
• Line Reversal or Ring wake up even in sleep mode
• On chip hybrid for simple line interfacing

• 8Kbytes of internal RAM
• 64K external address range extendable to many
  Mbytes
• Real Time Clock with Alarm
• Keyboard encoder
• 13 Interrupt sources, 5 internal, 8 external
• Watchdog Timer
• Advanced oscillator and power saving controls
• Dual channel, 10-bit A to D converter with
  threshold comparators and internal bandgap
  reference

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CMX Modems - Summary

• Complete reference design solutions
• Basic line interface
• Line powered line interface
• Lowest power solutions, smallest size
• Lowest cost
• Development road map
• Simplicity of design with CMX866/878/850 aimed at
• Set top boxes
• EPOS
• General telemetry
• SMS terminals

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CML ISDN products

• ISDN to POTS Signalling Interface
• HDLC Controllers
• Compliance with CCITT I.430
• Clock Generator
• IOM-2 Port
• 2 Independent Analogue Differential Inputs
• 2 Independent Analogue Differential Outputs
• On-chip Speakerphone Functions
• Automatic Setting of Micro Interface

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CMX635 - Functional Diagram
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CML ISDN - Example Feature Phone Application
S-bus
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Wireless data

• Modulation schemes
• CMX469A FFSK modem
• CMX589A GMSK Modem
• CMX909B GMSK Packet Data Modem

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Types of Modulation

• MSK (Minimum Shift Keying)
• Low data rates (1200-4800bps)
• Typically used in two-way radios (LMR)
• GMSK (Gaussian pre-filtered MSK)
• High data rates (4kbps-200kbps)
• More spectrally efficient than MSK
• Typically used in PDA/laptop wireless modems
• CDPD and Mobitex networks use GMSK

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CMX469A FFSK/MSK Modem

• Selectable data rates
• 1200/2400/4800bps operation
• Selectable crystal frequencies
• Full duplex operation
• Carrier Detect and Clock Recovery included
• Typically used in audio channels of radios
• Low power operation (2.0mA typ _at_ 3.0V)
• Small size (20-pin TSSOP package), low pin count

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CMX589A GMSK Modem

• General purpose IC with WIDE range of
  applications
• Currently used in CDPD modems, medical telemetry,
  SCADA, etc.
• Fast design-in time, low risk
• Ultra low power consumption
• Small TSSOP size fits into a PC card!
• High data rates for both narrow band and spread
  spectrum application

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CML High Speed Modems

• CMX909B GMSK Packet Data Modem
• High speed transfer of data over narrow-band
  wireless links
• FEC, CRC and burst error protection ensures
  robust data transmission
• Easy integration with RF chipsets

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CMX909B (GMSK) Modem

• Rx and Tx Modes from 4kb/s to 38.4kb/s
• Full Data Packet Framing
• Full Mobitex Compatability incl. R14N
  short-block frames
• Checksum Generation and Checking
• Parallel uC interface

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CMX909B GMSK Modem
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Wireless data summary

• CML offers an excellent entry into low -high
  speed wireless modem markets
• High performance products with low power
  requirement
• Easy to design-in and use
• Available now and in production

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CML A summary

• Customer support from concept to production
• Long history extensive market knowledge
• Quality product supplier
• Designing now for our market

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Thank you for your attention!