TMS320C6748EZWTD4 IC DSP FIX/FLOAT POINT 361NFBGA

Kufotokozera

TMS320C6748 yokhazikika komanso yoyandama DSP ndi purosesa yamagetsi otsika yotengera C674x DSP pachimake.DSP iyi imapereka mphamvu zotsika kwambiri kuposa mamembala ena amtundu wa TMS320C6000™ wa DSPs.Chipangizochi chimathandizira opanga zida zoyambira (OEMs) ndi opanga mapangidwe oyambira (ODM) kuti abweretse mwachangu zida zamsika zokhala ndi machitidwe olimba ogwiritsira ntchito, mawonekedwe ogwiritsira ntchito olemera, komanso magwiridwe antchito apamwamba kudzera pakusinthasintha kwakukulu kwa njira yophatikizira yosakanikirana, yosakanikirana.Chipangizo cha DSP pachimake chimagwiritsa ntchito mamangidwe a 2-level cache-based.Cache ya pulogalamu ya Level 1 (L1P) ndi 32-KB yosungidwa mwachindunji, ndipo mulingo wa 1 data cache (L1D) ndi 32-KB 2-way, set-associative cache.Cache ya pulogalamu ya 2 (L2P) imakhala ndi malo okumbukira a 256-KB omwe amagawidwa pakati pa pulogalamu ndi data.Kukumbukira kwa L2 kumatha kukhazikitsidwa ngati kukumbukira kwamapu, cache, kapena kuphatikiza ziwirizi.Ngakhale kuti DSP L2 imapezeka ndi makamu ena m'dongosolo, 128KB yowonjezera ya RAM yogawana nawo kukumbukira ikupezeka kuti igwiritsidwe ntchito ndi makamu ena popanda kukhudza ntchito ya DSP.Pazida zomwe zimagwiritsa ntchito chitetezo, TI's Basic Secure Boot imalola ogwiritsa ntchito kuteteza eni ake aluntha ndikuletsa mabungwe akunja kusintha ma algorithms opangidwa ndi ogwiritsa ntchito.Poyambira pa "root-of-trust" yozikidwa pa hardware, kuthamanga kwa boot kotetezedwa kumapangitsa kuti pakhale poyambira poyambira. Ma module a boot amasungidwa mobisa atakhala mu kukumbukira kosasinthika kwakunja, monga flash kapena EEPROM, ndipo amasinthidwa ndikutsimikiziridwa akayikidwa pa boot yotetezedwa. khazikitsani makina ndikuyamba kugwiritsa ntchito chipangizocho ndi ma code odziwika, odalirika. Basic Secure Boot imagwiritsa ntchito SHA-1 kapena SHA-256, ndi AES-128 potsimikizira chithunzi cha boot. Chitetezo cha boot flow chimagwiritsa ntchito njira yobisira ma multilayer encryption system yomwe sikuti imateteza kungoyambira koma imaperekanso kuthekera kokweza mwachitetezo code ya boot ndi pulogalamu ya pulogalamu.kokha ku chipangizocho ndikupangidwa pogwiritsa ntchito jenereta ya nambala yotsimikizika ya NIST-800-22, yomwe imagwiritsidwa ntchito kuteteza makiyi achinsinsi a kasitomala.Pamene kusintha kuli kofunika, kasitomala amagwiritsa ntchito makiyi obisa kuti apange chithunzi chatsopano chobisika.