Ruoko Cortex A7 processor: zvinhu uye wongororo

ARM Cortex A7 . Munyaya ino tichataura pamusoro ruoko Cortex A7 processor mapurani. Semiconductor zvigadzirwa anoritsanangura anogona kuwanikwa akangwara phones, routers, hwendefa hrs nezvimwe Mobile namano, apo akanga kusvikira ichangobva rwaigara aitungamirira chinzvimbo ichi musika chidimbu. Zvino ari zvishoma nezvishoma kuchatsiviwa zvakawanda zvitsva uye yakachena processor mhinduro.

Brief ruzivo pamusoro ruoko kambani

началась в 1990 году, когда она была основана Робином Саксби. History reruoko makambani rakatanga muna 1990, apo rakavakwa Robin Saxby. Same hwaro hwayo chisikwa waiva mutsva microprocessor mapurani. , то после образования данной компании появилась достойная альтернатива в виде RISC. Tisati kuti hukuru nechinzvimbo pamusoro x86 CPU musika inogarwa kana CISC, pashure paumbwe boka akazviratidza ari kufanira pane RISC. Muchiitiko chokutanga, kuti Implementation pakati bumbiro wacho wakaderedzwa kusvika 4 nhanho:

1. Kugadzirira muchina mirayiridzo.

2. Kuita kutendeuka microcode.

3. Kuwana Micro-mirayiridzo.

4. Phased Implementation pamusoro Micro-mirayiridzo.

сновная же идея архитектуры RIS С состояла в том, что обработку программного кода можно свести к 2 этапам: SIC chete pfungwa RIS mapurani kwaisanganisira kuti kubudiswa chirongwa remitemo inogona muchidimbu muna 2 mumatanho:

1. RISC- инструкций. Preparation RISC- mirayiridzo.

2. RISC- инструкций. RISC- kugadzira mirayiridzo.

ак в первом, так и во втором случае есть как плюсы, так и существенные недостатки. Ow pakutanga uye kana yechipiri, pane zvose zvakanaka uye chinokosha pezvatinokanganisa. RISC ( в том числе и ARM Cortex A7 , представленная 2011 году) — рынок мобильных устройств. x86 akabudirira akakunda musika kombiyuta, uye RISC (kusanganisira ruoko Cortex A7, akatanga muna 2011) - kumusika kuti Mobile mano.

Nyaya Cortex A7 mapurani. Key zvinhu

In achiita "Cortex A8" sepokutangira "Cortex A7." The chikuru Pfungwa yacho Developers iyi nyaya yaiva nechokwadi, kuwedzera ubereke uye yekudyidzana kuvandudza simba kunyatsoshanda ari kugadzira mhinduro. . Ndizvo chakazoitika, kambani mainjiniya ruoko. Chimwe chinokosha ichi nyaya yaiva kuti paiva mukana kuumba big.LITTLE CPU michina. Iyo semiconductor Chip zvingasanganisira munhu kadambari chikwata 2. Mumwe wavo akanga dzakanangana nekugadzirisa kupfuura tumabasa shoma simba zvinodyiwa uye, sezvo mutemo, muna basa iri, uye akaita "Cortex A7" core. The yechipiri yakanga yakagadzirirwa kumhanya-software kwazvo uye inobva kadambari zviumbu "Cortex A15" uye "A17 Cortex". Pamutemo "Cortex A7" chaipiwa, sezvo akanga ambotaurwa, muna 2011. Eya, wokutanga processor ruoko Cortex A7 akaona papera chiedza gore, kureva muna 2012.

kugadzirwa michina

Pakutanga, semiconductor anotsanangura zvigadzirwa zvinoberekwa A7 65 nm rikurumidze michina. Zvino Michina iyi tariro yechinyakare. Mune ramangwana, zvakanga akasunungurwa zvizvarwa zviviri A7 processors kubvuma zvaanoda 40 nm uye 32 nm. Asi zvino vava hazvishandi. The mhando CPU kupfuura achangopfuura kwakavakirwa mapurani ichi akaita kare panguva dziine 28 nm, uye kuti vanogona kuwanikwa okutengesa. Uyezve yezwi chitsva rwokugadzira pezvakaitwa nemitemo mutsva kubvuma uye yechinyakare mapurani vanotarisira asiri zviripo. Chips inobva A7 zvino ine vakawanda bhajeti chidimbu kubva pawaitengesa Mobile mano uye vari zvishoma nezvishoma kutsiva midziyo kare maererano A53, iri kusvika panguva iyoyo simba parameters ane yepamusoro unongotaura pamwero.

Architecture microprocessor moyo

1, 2, 4 kana 8 cores anogona kushandiswa CPU kwakavakirwa ruoko Cortex A7. Zvechadenga processors mukupera nyaya, anoratidza kuti nemamiriro Chip vanotova 2 kusvika 4 sumbu neerekitironi. 2-3, iyo processor kupinda-pamwero zvigadzirwa pachishandiswa Chips ne 1 wokwaEfremu kana 2 kombiyuta modules. Paavhareji pamwero anotora 4-Musimboti mhinduro. Zvakanaka, asi shoma chidimbu yakanga 8-Musimboti Chips. Mumwe microprocessor Musimboti kwakavakirwa mapurani ichi zvinosanganisira zvinotevera modules:

• лок обработки чисел с плавающей запятой ( FPU). B zvechizarira kugadzira kuyangarara pfungwa (FPU).

• Cache Level 1.

• NEON для оптимизации работы ЦПУ. Neon chikwata kuti optimize yacho CPU.

• ARMv7. ARMv7 kadambari module.

Paivawo zvinotevera zvakafanana zvinoriumba nokuda nuclei ose CPU:

• Cache L2.

• Nuclei Control Unit CoreSight.

• Data Management Controller AMBA bhazi pamwe Judhasi 128 matomu.

zvinogoneka maitikiro

The kunonyanyisa ukoshi kwenguva vakapiwa wachi kakawanda microprocessor mapurani dzinosiyana 600 MHz 3 GHz. Onawo kuti parameter ava kutaura kufadza kukanganisa chokupika yekombiyuta kuchinja. Pakazoti kakawanda zvakananga zvakunoita zvitatu zvinokonzera:

• dambudziko Difficulty kuti kugadziriswa.

• The mwero Optimization Software nokuda multithreading.

• Kukosha kuitika pamusoro semiconductor Chip tembiricha.

Somuenzaniso tikafunga algorithm mashandiro MT6582 Chip, iyo yakavakirwa A7 uye rinosanganisira zvina computational dzakabatana izvo kakawanda kuchinja kubva 600 MHz kusvika 1,3 GHz. In simbe rudzi, ine kubudiswa chikwata anogona chete kuva rimwe chete kadambari Unit, uye unoshanda yakadereresa zvaibvira kakawanda 600 MHz. Mamiriro ezvinhu ari zvakadyiwa apo mano chikumbiro pamusoro Mobile Gadget zvichabviswa kwakatangwa. Asi kana mazita mabasa kuonekwa resource- wokutamba optimized nokuda multithreading, izvozvo vachangoerekana kuna basa zvose 4 bumbiro kubudiswa chikwata ari kakawanda 1,3 GHz. Sezvo vakawanda inopisa kudziyisa CPU chinoumba kuchaderedza kakawanda kana kunyange adzima. Kudivi rimwe, nzira iyi inopa energoeffektivnst, uye mumwe - chip fari kunogamuchirika chechetere maitiro.

cache ndangariro

2 chete cache pamwero inopiwa nokuti ruoko Cortex A7. Zvinoitwa semiconductor Chip, uyewo, pfungwa yokuti wokutanga pamwero iri fanira akakamurwa 2 yakaenzana sezvikamu. должна хранить данные, а другая — инструкции. Mumwe wavo ari kuchengeta data, uye mumwe - mirayiridzo. азмер кеша на 1-ом уровне по спецификациям может быть равен 64 Кб. Summary peji Dimensions cache 1st pamwero nokurondedzerwa zvingava akaenzana 64 KB. Somugumisiro, tinowana 32 KB kuti mashoko uye 32 KB kuti bumbiro remitemo. е ть от конкретной модели ЦПУ. Cache pamwero 2 iyi ichava kubatsirwa pamusoro chaiyo, e CPU yokutevedzera. Zviduku Huwandu kunogona 0 MB (i.e., ndisipo) uye chikuru - 4MB.

The controller RAM. mamiriro ayo

Pakuvara controller RAM iri vakapakata chero processor ruoko Cortex A7. zvinoitwa zvekushandisa urongwa inoratidza kuti rakanyorerwa kushanda pamwe chete RAM LPDDR3 mureza. Recommended Frequency ndangariro kushanda hazvisi akaenzana 1066 MHz uye 1333 MHz. The kunonyanyisa kukura RAM, izvo zvinogona kuonekwa tsika, nokuti vakapiwa muenzaniso Chip ndiyo 2 GB.

Integrated Graphics

Sezvaitarisirwa, humboo microprocessor mano vane Integrated Graphics subsystem. рекомендует использовать в сочетании с этим ЦПУ графическую карту собственной разработки Mali - 400MP2 . Ruoko Production kambani anokurudzira kuti ukashandisa pavanoparidza CPU Graphics kadhi Mali pachake pakukura - 400MP2. Asi ayo waivako zvinokonzerwa kwete zvakakwana achironga kuvhomora zvingakwanisa microprocessor mano. Naizvozvo Chips Developers ikashandiswa pamwe yakawanda Chip kadhi Somuenzaniso, Power VR6200.

Software zvinhu

Three Mhando anodawo hurongwa nechinangwa ruoko processors:

• от поискового гиганта Google. Android kubva kutsvaga hofori Google.

• от APPLE. iOS kubva Apple.

• от «Майкрософт». Windows Mobile kubva "Microsoft".

Zvose ndiye hurongwa Software hakusati vagamuchira rakafara kuparadzira. Kudeuka mugove pamisika ye-software kwakadaro hakusi nyore zvokufungidzira, zvinotora Android. ino ine nyore uye nzwisisa inowanikwa mudziyo uye anoritsanangura vari kwokutanga chaizvo sandara uye nyore chaizvo. Asati shanduro 4.4 yemubatanidzwa, zvakanga 32-yati, uye pamwe 5.0 zvino inotsigira 64-ikakuruma kadambari. , в том числе и ARM Cortex A7. Ino uchishandisa hurongwa iri zvinobudirira kushanda chero mhuri CPU mapurani RISC, kusanganisira ruoko Cortex A7. Engineering Muterere - ndeimwe chinokosha hurongwa software. Narwo unogona yekudyidzana reconfigure yacho Os zvinhu. Access iyi chete Muterere anogona kuwanikwa vachishandisa bumbiro kuti CPU rimwe womuenzaniso akasiyana.

Chimwe chinokosha ndiko Linux uchishandisa hurongwa - kuisa zvose zvinogoneka inogadziridza kwaita. Saka, kunyange mikana mitsva aonekwa ruoko mhuri Chip Cortex A7. Firmware anogona kuwedzera navo. Chechipiri Hurongwa nechinangwa Mobile midziyo makambani Apple. mano kwakadaro kazhinji kugara shoma - chidimbu uye vane nhengo mumatunhu maitiro uye mutengo. пока не получила большого распространения. Latest Os Windows Mobile chiso haisati vagamuchira rakafara kuparadzira. Mano kwakavakirwa iri, chero chidimbu kubva Mobile midziyo, asi kuti shoma-software chikumbiro ichi nyaya ndiko vakaomerwa raivapo kwayo kuwanda.

processor mienzaniso

Kupfuura iripo uye muduku zvibereko mune iyi vane 1-Musimboti Chips. Chinonyanya kwakapararira pakati pavo MT6571 akagamuchira kubva raibhurari kambani. At danho pamusoro vari hunyambiri CPU ruoko Cortex A7 Dual Core. Somuenzaniso, MT6572 dzose zvakafanana mugadziri. Yakakura pamwero maitiro inopiwa Quad Core ruoko Cortex A7. The inonyanya kufarirwa Chip kubva mhuri iyi ndiyo MT6582, izvo kunyange ikozvino anogona kuwanikwa Mobile midziyo, kwokutanga chechetere. Eya, mukuru pamwero maitiro akapa 8-makirisito CPUs rweberere 6595 MT.

Tarisiro pakuzadzisa

Unogona achiri kuwanika chitoro echiShinto Mobile namano ayo kwakavakirwa semiconductor kubudiswa dzaishandiswa pahwaro 4X ruoko Cortex A7. MT6580 ichi, MT6582 uye "Snapdragon 200". Vose machipisi izvi zvinosanganisira ina kadambari chikwata uye vane kwazvo simba kunyatsoshanda. Uyewo pane iyi, mutengo kwazvo, mwero chaizvo. Asi zvakadaro yakanakisisa nguva ari microprocessor mapurani iri pamusoro. Peak rokutengesa mishonga anoritsanangura Akawira 2013-2014, kana musika Mobile midziyo aine anenge asina zvokuzviita. Zvino iyi tiri kutaura pamusoro bhajeti sezvinoita mudziyo ne 1 kana 2 modules kombiyuta uye flagship midziyo pamwe 8-makirisito CPU. Panguva iyoyo, zvishoma nezvishoma izvozvo displaces mumusika "Cortex A53", iro chaizvoizvo munhu dzakachinjwa 64-zvishoma shanduro A7. Panyaya iyi, chikuru zvakanakira nowakautangira, izvozvo akachengetedza zvachose, uye ramangwana zvechokwadi shure payo.

Zvinofungwa nyanzvi uye vanoshandisa. Real wongororo kuti machipisi kwakavakirwa mapurani ichi. Uye zvaasingagoni

Chokwadi, chinokosha chiitiko kuti nyika Mobile mano kwave kwaita microprocessor mapurani ruoko Cortex A7 namano. The yakanakisisa uchapupu ichi ndechokuti namano anoritsanangura yakabudirira kutengeswa anopfuura 5 years. Chokwadi, zvino CPU vanokwanisa pahwaro of A7 kwava asina kukwana kunyange pakati-pamwero mabasa, asi zvikuru nyore remitemo iri machipisi yakadaro uye kukunda kutoitwa. The mazita-software kwakadaro kunosanganisira video, Audio yokuteerera, kuverenga mabhuku, vhura padandemutande, uye kunyange nyore matoyi, muchiitiko ichi kumhanya pasina matambudziko. Zviri pamusoro izvi uye omerera vaitungamirira kukamura uchishandisa nezvikumbaridzo vakazvitsaurira kuna Mobile midziyo uye devaysa sezvo vaitungamirira nyanzvi hurongwa ichi, uyewo zvavo vanoshandisa. Key kubvisa A7 - ndiko kushaya rutsigiro 64-ikakuruma kadambari. Asi zvikuru zvazvakanakira zvinosanganisira zvose zvayo wakakwana simba Kushanda uye unongotaura.

zvabuda

это целая эпоха в мире мобильных устройств. Chokwadi, mavakirwo ruoko Cortex A7 - rose panguva nyika Mobile mano. Yakanga ine veMubatanidzwa zvayo Mobile mano vava kuwanika uye kwazvo zvibereko. Uye zvawo chokwadi kuti ane anopfuura 5 makore vakabudirira kutengeswa neimwe uchapupu. Asi kana midziyo wokutanga chawo chiri pakati uye shoma zvikamu zviri pamusika, uye ikozvino kwavari akanga chete bhajeti kirasi. akitekicha Izvi nderechinyakare uye zvishoma nezvishoma yanyangarika.