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 Mndandanda wa zipata zomwe zingatheke m'munda

 Amunda-programmable zipata gulu(FPGA) ndiIntegrated deraidapangidwa kuti ikonzedwe ndi kasitomala kapena wopanga pambuyo popanga - chifukwa chake mawuwofield-programmable.Kukonzekera kwa FPGA nthawi zambiri kumatchulidwa pogwiritsa ntchito achinenero chofotokozera za hardwareHDL (HDL), yofanana ndi yomwe imagwiritsidwa ntchito polembantchito-enieni Integrated dera(ASIC).Zojambula zozungulirazidagwiritsidwa ntchito kale kufotokoza kasinthidwe, koma izi zikuchulukirachulukira chifukwa chakubwera kwaElectronic design automationzida.

Ma FPGA ali ndi mndandanda wachotheka midadada ya logic, ndi mndandanda wamalumikizidwe osinthika omwe amalola midadada kulumikizidwa pamodzi.Ma block blocks amatha kukhazikitsidwa kuti achite zovutantchito zophatikiza, kapena kuchita zinthu zosavutazipata za logicmongaNDIndiXOR.Mu ma FPGA ambiri, ma logic blocks amaphatikizansozinthu kukumbukira, zomwe zingakhale zosavutaphidigu phidigukapena midadada yokwanira yokumbukira.^[1]Ma FPGA ambiri amatha kukonzedwanso kuti agwiritse ntchito mosiyanasiyanalogic ntchito, kulola kusinthasinthamakompyuta osinthikamonga zachitidwa mumapulogalamu apakompyuta.

Ma FPGA ali ndi gawo lalikulu mudongosolo lophatikizidwachitukuko chifukwa cha luso lawo loyambitsa chitukuko cha mapulogalamu a pulogalamu nthawi imodzi ndi hardware, kuthandizira machitidwe owonetsera machitidwe pa gawo loyambirira lachitukuko, ndi kulola mayesero osiyanasiyana a dongosolo ndi kubwereza mapangidwe asanamalize kamangidwe kake.^[2] 

Mbiri[sinthani]

Makampani a FPGA adakula kuchokerachikumbutso chowerengera chokha(PROM) ndizida zomangira zokhazikika(PLDs).Ma PROM ndi ma PLD onse anali ndi mwayi wosankhidwa m'magulu mufakitale kapena m'munda (omwe angakonzedwenso).^[3]

Alteraidakhazikitsidwa mu 1983 ndipo idapereka chida choyamba chamakampani chomwe chingakonzedwenso mu 1984 - EP300 - chomwe chidali ndi zenera la quartz mu phukusili lomwe limalola ogwiritsa ntchito kuyatsa nyali yowala kwambiri pakufa kuti afufute.EPROMma cell omwe anali ndi kasinthidwe kachipangizo.^[4]

Xilinxadapanga gawo loyamba lokonzekera malondapachipatamu 1985^[3]Chithunzi cha XC2064.^[5]XC2064 inali ndi zipata zosinthika komanso zolumikizira zokhazikika pakati pa zipata, zoyambira zaukadaulo watsopano ndi msika.^[6]XC2064 inali ndi 64 configurable logic blocks (CLBs), yokhala ndi zolowetsa ziwiri zitatu.kuyang'ana matebulo(LUTS).^[7]

Mu 1987, aNaval Surface Warfare Centeradapereka ndalama zoyeserera zomwe Steve Casselman adapanga kuti apange kompyuta yomwe ingagwiritse ntchito zipata 600,000 zokonzedwanso.Casselman adachita bwino ndipo patent yokhudzana ndi dongosololi idaperekedwa mu 1992.^[3]

Altera ndi Xilinx adapitilirabe mosatsutsika ndipo adakula mwachangu kuyambira 1985 mpaka pakati pa 1990s pomwe opikisana nawo adakula, ndikuwononga gawo lalikulu la msika wawo.Pofika 1993, Actel (tsopanoMicrosemi) anali kutumikira pafupifupi 18 peresenti ya msika.^[6]

Zaka za m'ma 1990 zinali nthawi yakukula mwachangu kwa ma FPGA, onse pakuwongolera dera komanso kuchuluka kwa kupanga.Kumayambiriro kwa zaka za m'ma 1990, ma FPGA adagwiritsidwa ntchito kwambirimatelefonindimaukonde.Pofika kumapeto kwa zaka khumi, ma FPGA adapeza njira yogwiritsira ntchito ogula, magalimoto, ndi mafakitale.^[8]

Pofika chaka cha 2013, Altera (31 peresenti), Actel (10 peresenti) ndi Xilinx (36 peresenti) pamodzi adayimira pafupifupi 77 peresenti ya msika wa FPGA.^[9]

Makampani ngati Microsoft ayamba kugwiritsa ntchito ma FPGA kuti apititse patsogolo magwiridwe antchito, makina ochulukirachulukira (mongamalo opangira dataomwe amagwira ntchito zawoMakina osakira a Bing), chifukwa chantchito pa wattmwayi FPGAs kupereka.^[10]Microsoft idayamba kugwiritsa ntchito FPGAs kutifulumiraBing mu 2014, ndipo mu 2018 idayamba kutumiza ma FPGA pazantchito zina zapa data kwa iwo.Azure cloud computingnsanja.^[11]

Nthawi zotsatirazi zikuwonetsa kupita patsogolo kwamitundu yosiyanasiyana ya mapangidwe a FPGA:

Gates

• 1987: zipata 9,000, Xilinx^[6]
• 1992: 600,000, Dipatimenti ya Nkhondo Zankhondo Zapamadzi^[3]
• Kumayambiriro kwa zaka za m'ma 2000: mamiliyoni^[8]
• 2013: 50 miliyoni, Xilinx^[12]

Kukula kwa msika

• 1985: FPGA yoyamba yamalonda : Xilinx XC2064^[5][6]
• 1987: $ 14 miliyoni^[6]
• c.1993: > $385 miliyoni^{[6][zalephera kutsimikizira]}
• 2005: $ 1.9 biliyoni^[13]
• Ziwerengero za 2010: $ 2.75 biliyoni^[13]
• 2013: $ 5.4 biliyoni^[14]
• Kuyerekeza kwa 2020: $ 9.8 biliyoni^[14]

Kupanga kumayamba

Akupanga chiyambindi njira yatsopano yokhazikitsidwa pa FPGA.

• 2005: 80,000^[15]
• 2008: 90,000^[16]

Kupanga[sinthani]

Ma FPGA amakono ali ndi zida zazikulu zazipata za logicndi ma block a RAM kuti agwiritse ntchito mawerengedwe ovuta a digito.Monga mapangidwe a FPGA amagwiritsa ntchito mitengo ya I/O yachangu kwambiri komanso ma data owongoleramabasi, zimakhala zovuta kutsimikizira nthawi yolondola ya deta yolondola mkati mwa nthawi yokhazikitsa ndi kusunga nthawi.

Kukonzekera kwapansiimathandizira kugawidwa kwazinthu mkati mwa FPGAs kuti ikwaniritse zovuta zanthawi izi.Ma FPGA atha kugwiritsidwa ntchito kukhazikitsa ntchito iliyonse yomveka yomwe aMtengo wa ASICakhoza kuchita.Kutha kusintha magwiridwe antchito pambuyo potumiza,kukonzanso pang'onoa gawo la mapangidwe^[17]ndi zotsika mtengo zauinjiniya zomwe sizimabwerezedwa mobwerezabwereza malinga ndi kapangidwe ka ASIC (ngakhale mtengo wagawo wokwera kwambiri), umapereka zabwino pamapulogalamu ambiri.^[1]

Ma FPGA ena ali ndi mawonekedwe a analogi kuwonjezera pa ntchito za digito.Chodziwika kwambiri cha analogi ndi chokhazikikamlingo wakuphapa pini iliyonse yotulutsa, kulola injiniya kuti akhazikitse mitengo yotsika pamapini odzaza mopepuka omwe akanateromphetekapenaawirimosavomerezeka, ndi kukhazikitsa mitengo yokwera pamapini odzaza kwambiri pamakanema othamanga kwambiri omwe mwina akanayenda pang'onopang'ono.^[18][19]Komanso zofala ndi quartz-kristalo oscillators, pa-chip resistance-capacitance oscillators, ndimalupu otsekedwa ndi gawondi ophatikizidwama oscillator oyendetsedwa ndi magetsiamagwiritsidwa ntchito popanga mawotchi ndi kasamalidwe komanso kuthamangitsa mawotchi othamanga kwambiri a serializer-deserializer (SERDES) ndikubwezeretsa wotchi yolandila.Zodziwika bwino ndizosiyanaoyerekezapamapini olowetsa opangidwa kuti alumikizikechizindikiro chosiyananjira.Zochepa "chizindikiro chosakanikiranaFPGAs ”aphatikiza zotumphukiraosinthira analogi mpaka digito(ADCs) ndiotembenuza digito mpaka analogi(DACs) yokhala ndi zotchingira ma analogi zomwe zimawalola kuti azigwira ntchito ngati adongosolo-pa-a-chip(SoC).^[20]Zida zoterezi zimasokoneza mzere pakati pa FPGA, yomwe imanyamula digito ndi zero pansalu yake yolumikizira mkati, ndimndandanda wa analogi wokhazikika(FPAA), yomwe imakhala ndi ma analogi pansalu yake yolumikizira mkati.