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introduction Herbs to microcontrollers

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  1. IntroductiontoMicrocontrollers By L Baburao Dept of ECE IIIT Campus

  2. Definition of Microcontrollers and EmbeddedMicroprocessors • Components • Microcontroller Market • Key Suppliers

  3. OverviewMicrocontrollers - a key impact technology forthe 21st century • Microcontrollers.com In the aggregate, PCmicroprocessors are responsible for less than 1of all processors sold. Embedded processorsoutsell PC processors by more than 99.

  4. Microcontrollers and Embedded ControllersControls some process or aspect of theenvironment Microcontrollers Vs. DSPs • DSPs optimized for math multiplies • Embedded controller may not be a microcontrollerper se but is used for special purpose controlapplication • Typical applications temperature control, smartinstrument, GPS, digital lock, cell phone, etc.. • Exercise write down five µController baseddevices

  5. ExamplesPersonal information products Cell phone, pager,watch, pocket recorder, calculator • Laptop components mouse, keyboard, modem, faxcard, sound card, battery charger • Home appliances door lock, alarm clock,thermostat, air conditioner, tv remote, hairdryer, VCR, small refrigerator, exerciseequipment, washer/dryer, microwave oven • Toys video games, cars, dolls, etc.

  6. Microcontroller FamiliesMost manufacturers offer a wide range of devicesfor low end to higher end applications • Microcontroller.com, In January 2000, Microchipshipped its one billionth 8-bit PICmicrocontroller. • Example Microcontroller Manufacturers • Embedded systems and gizmos • Characteristics of the PIC 16F87x

  7. 16F87xFamilyFeatures8Typical MicroController ElementsFrom PIC 16F87x data sheet9MicrocontrollersProcessing power 4 bit, 8 bit, 16 bit, 32 bit • Microcontrollers.com The highest rate of newproduct success is in the 8-bit microcontrollermarket. The lowest rate of success is in the 64-and 32-bit microcontroller markets. • Specific features communications, keyboardhandling, signal processing, video processing

  8. Microcontroller MarketShipments- gt 16 Billion in 2000, 8 bit gt 1/2market • Major Players Microchip 16Fxx, Intel 8051,Motorola MC68HC05, National COP800, SGS/ThomsonST62, Zilog Z86Cxx 8 bit comparison

  9. Speed comparisonFrom Mark Palmer, AN520 A Comparison of 8 bitMicrocontrollers, Microchip AN, 1995.12Shipments1316F87x Instruction Set3514P115P1-216Summary

  10. More InformationIn the next session we will explore in more depthkey features of µControllers • All major Manufacturers have web sites

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