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8051 microcontrollers PDF

407 Pages·2010·10.26 MB·English
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1 8051 MICROCONTROLLERS INTRODUCTION & HARDWARE Prof. Amit D. Ved Asst. Prof. & Head, Electrical Engineering Department Gardi college of Engineering and Technology, Rajkot ( Gujarat) 10/20/2010 BE VI (ELECTRICAL) ADVED 2010 • There are more than 25 billion CPUs active on the globe.(4-5 cpu per person on the globe!!!) • Out of them, 94% are used in embedded applications and only 6% are used in computers of all shapes and sizes. •• WWhheerree eevveerr tthheerree iiss eelleeccttrroonniiccss,, eemmbbeeddddeedd CCPPUUss aarree tthheerree.. • From multimeters to Missiles, from mobile phones to motor drives, from medical electronics to automobiles, every where microcontrollers are performing their duty, un noticed, for the progress of human civilization. • In these demanding times of climate changes , energy conservation strategy of present and future will be heavily dependent on microcontrollers. 10/20/2010 BE VI (ELECTRICAL) ADVED 2010 TThhee mmaajjoorr vveennddoorrss ooff MMCCUUss mmaarrkkeett aarree RReenneessaass •• FFrreeeessccaallee •• IInnffiinneeoonn •• FFFFuuuujjjjiiiittttssssuuuu •••• NNEECC •• NNXXPP •• SSTT MMiiccrrooeelleeccttrroonniiccss •• AAttmmeell •• TTeexxaass iinnssttrruummeenntt •• ((RReeff..:: EEMMIITTTT SSoolluuttiioonnss,, MMiiccrrooccoonnttrroolllleerr MMaarrkkeett aanndd TTeecchhnnoollooggyy AAnnaallyyssiiss RReeppoorrtt ––22000088)) 10/20/2010 BE VI (ELECTRICAL) ADVED 2010 MMaarrkkeett sshhaarree ooff ddiiffffeerreenntt aarrcchhiitteeccttuurreess CCoommppaannyy CCoorree SShhaarree ((%%)) IInntteell 88005511 1199%% •• RReenneessaass 774400,, HH88//SS,, MM3322RR 1177%% •• FFrreeeessccaallee 6688XXXX 1155%% •• MMiiccrroocchhiipp PPIICC 1122%% •• AARRMM AARRMM 1100%% •• NNEECC VV885500,, 7788KK00,, KK33//KK44 99%% •• SSTT PPrroopprriieettaarryy 88--bbiitt 66%% •• AAttmmeell AAVVRR 33%% •• IInnffiinneeoonn CC1166XX 33%% •• OOtthheerrss OOtthheerrss 66%% •• 10/20/2010 BE VI (ELECTRICAL) ADVED 2010 Market share of different architectures Company Core Share (%) • Intel 8051 19% • Renesas 740, H8/S, M32R 17% • Freescale 68XX 15% • Microchip PIC 12% • ARM ARM 10% • NEC V850, 78K0, K3/K4 9% • ST Proprietary 8-bit 6% • Atmel AVR 3% • Infineon C16X 3% • Others Others 6% October 20, 2010 5 Top growing architectures in last two years Processor Core Company developed • PIC Microchip • ARM ARM • V850 NEC Electronics Corp. •• 88005511 IInntteell • HCS08/HCS12X Freescale • C166SV2 Infineon Tech • T8K/0 NEC Electronics Corp. • E200Z (PowerPC) Freescale • H8S/H8SX Renesas • XC800 Infineon Tech October 20, 2010 6 Microcontroller Market cont… • ARM holds a huge market share of exceeding 55% in ASSP, and other processor integrated devices. But in pure MCUs, the share of ARM iiss lleessss ccoommppaarreedd ttoo 88005511 aanndd ootthheerr proprietary architectures of leading MCU vendors. October 20, 2010 7 The share of MCU market by geographical area Area/ Region Percentage of share •• AAssiiaa ((IInncclluuddiinngg JJaappaann)) 3377%% • Europe 28% • North America 25% • Rest of the World 10% October 20, 2010 8 Declining Prices Aid the Migration to Higher-end MCU • After experiencing nearly a flat growth in years 2004 and 2005, the microcontroller market started riding linear growth in the rraannggee ooff 1100%% ffrroomm 22000066 oonnwwaarrddss.. • Bit-wise, 32-bit MCUs are experiencing little higher growth compared to 16-bit, but the 8- bit MCU market is no more growing. October 20, 2010 9 Microcontroller Market cont… • A total of 10 billion MCUs are shipped in year 2007. A growth of 25% compared to year 2006. •• TThhee ttoottaall mmaarrkkeett ffoorr 3322--bbiitt mmiiccrrooccoonnttrroolllleerr iiss UUSS$$ 33..88 bbiilllliioonn iinn 2007. The market has grown by around 10% compared to 2006. • The total market for 16-bit microcontroller is US$ 3.9 billion in 2007. There is no change in figures compared to 2006. • The total market for 8-bit microcontroller is US$ 4.9 billion in 2007. The market has shrunk by around 5% compared to 2006. October 20, 2010 10

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