I-Raspberry Pi Zero 2 W ifika ngamandla amaninzi kunye nokuphuculwa koyilo

Iprojekthi yeRaspberry Pi ityhiliwe isizukulwana esilandelayo sebhodi Raspberry Pi Zero 2W, ukudibanisa imilinganiselo edibeneyo kunye neBluetooth kunye ne-Wi-Fi ehambelanayo kunye iveliswa ngendlela efanayo yohlobo oluthile (65 x 30 x 5mm), nto leyo malunga nesiqingatha ubukhulu Raspberry Pi eqhelekileyo.

Umehluko isitshixo phakathi kwemodeli entsha yeRaspberry Pi Zero lutshintsho ekusebenziseni i-Broadcom BCM2710A1 SoC, ekufutshane naleyo isetyenziswe kwiibhodi ze-Raspberry Pi 3 (kwisizukulwana sangaphambili seebhodi ze-Zero, i-Broadcom BCM2835 SoC yanikezelwa, njengakwi-Raspberry Pi yokuqala).

Ngokungafaniyo neRaspberry Pi 3, i-frequency processor iye yancitshiswa ukusuka kwi-1,4 GHz ukuya kwi-1 GHz ukunciphisa ukusetyenziswa kwamandla. Ukujonga kuvavanyo lwe-sysbench enemisonto emininzi, Ukuphuculwa kwe-SoC kuvunyelwe ukwandisa ukusebenza kwebhodi yomama ngamaxesha e-5 (I-SoC entsha isebenzisa i-quad-core 53-bit Arm Cortex-A64 CPU endaweni ye-11-bit enye-core ARM1176 ARM32JZF.)

Njengakuhlelo lwangaphambili, I-Raspberry Pi Zero 2W inikeza i-512MB ye-RAM, i-Mini-HDMI port, izibuko ezimbini ze-Micro-USB. (I-USB 2.0 kunye ne-OTG kunye nezibuko lokubonelela ngombane), a microSD slot, enye 40-pin GPIO isinxibelelanisi (akukho soldering), ividiyo edibeneyo kunye nezikhonkwane zekhamera (CSI-2).

Ipleyiti ifakwe itshiphu engenazingcingo ehambelana nayo Wi-Fi 802.11 b / g / n (2.4GHz), Bluetooth 4.2 kunye neBluetooth Low Energy (BLE). Ukufumana isatifikethi seFCC kunye nokukhuselwa ekuphazamisekeni kwangaphandle, i-chip ye-wireless kwibhodi entsha igqunywe ngentsimbi yentsimbi.

I-GPU edibeneyo kwi-SoC yi iyahambelana ne-OpenGL ES 1.1 kunye ne-2.0, kwaye ibonelele ngezixhobo zokukhawulezisa dukufakwa kwekhowudi yevidiyo kwi-H.264 kunye neefomathi zeMPEG-4 ezinomgangatho we-1080p30, kunye ne-encoding kwifomathi ye-H.264, eyandisa uluhlu lokusetyenziswa kwebhodi ngezixhobo ezahlukeneyo kunye neenkqubo zemultimedia zekhaya elihlakaniphile.

Ngelishwa Ubungakanani be-RAM bukhawulelwe kwi-512MB kwaye ayinakunyuswa ngenxa yokulinganiselwa ngokomzimba kobukhulu beplate. Ukubonelela nge-1GB ye-RAM kuya kufuna ukusetyenziswa koyilo oluntsonkothileyo olunamanqanaba amaninzi, abaphuhlisi abangekakulungeli ukulusebenzisa.

Eyona ngxaki iphambili kuyilo lwebhodi yeRaspberry Pi Zero 2W yaba sisisombululo kwingxaki yendawo yememori LPDDR2 SDRAM. Kwisizukulwana sokuqala sebhodi, imemori ibekwe kwinqanaba elongezelelweyo ngaphezu kwe-chip ye-SoC, iphunyezwe ngokusebenzisa i-PoP (iphakheji-kwi-package) iteknoloji, kodwa kwii-chips ezintsha ze-Broadcom le ndlela ayikwazanga ukuphunyezwa ngenxa yokunyuka kwe-SoC. ubukhulu. Ukuxazulula ingxaki, inguqu ekhethekileyo ye-chip yaphuhliswa ngokubambisana ne-Broadcom, apho imemori yahlanganiswa kwi-SoC.

Enye ingxaki yayikukunyuka kobushushu ngenxa yosetyenziso lweprosesa enamandla ngakumbi. Ingxaki Isonjululwe ngokongeza iileya ezishinyeneyo zobhedu ebhodini ukususa kunye nokuchitha ubushushu kwiprosesa. Ngenxa yoko, ubunzima betafile bunyuke ngokubonakalayo, kodwa ubuchule buqatshelwe njengempumelelo kwaye bubonakaliswe ukuba bukwanele ukukhusela ukufudumala xa usenza i-LINPACK yomgca we-algebra yovavanyo olungenamkhawulo wexesha loxinzelelo kwiqondo lokushisa kwegumbi lama-degrees angama-20.

Kwizixhobo ezikhuphisanayo, i-Orange Pi zero Plus2 yokulinganisa i-46x48mm kwaye ixabisa i-$ 35 kunye ne-512MB ye-RAM kunye ne-Allwinner H3 chip.

Ukuza kuthi ga ngoku, ukuthengisa kuqale kuphela e-UK, kwi-European Union, e-US, eCanada naseHong Kong; ukuhanjiswa kwamanye amazwe kuya kuvulwa xa imodyuli engenazingcingo iqinisekisiwe. Iindleko zeRaspberry Pi Zero 2 W yi-$ 15 (ngokuthelekisa, iindleko zebhodi yeRaspberry Pi Zero W yi-$ 10 kunye neRaspberry Pi Zero yi-$ 5, ukuveliswa kweebhodi ezishibhile kuya kuqhubeka) .

Gqibela Ukuba unomdla wokwazi okungakumbi ngayo, ungajonga iifayile ze- iinkcukacha kwikhonkco elilandelayo.


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