TMS320C6748EZWTD4 IC DSP FIX/FLOAT POINT 361NFBGA

Nkọwa

TMS320C6748 nke edobere na ebe na-ese n'elu mmiri bụ ngwa ngwa nwere ike dị ala dabere na isi C674x DSP.DSP a na-enye ike dị ala karịa ndị otu ndị ọzọ nke TMS320C6000™ nke DSPs.Ngwaọrụ ahụ na-enyere ndị na-emepụta ihe mbụ (OEMs) na ndị na-emepụta ihe na-emepụta ihe (ODM) ngwa ngwa na-eweta ngwa ahịa n'ahịa ndị nwere sistemụ arụmọrụ siri ike, oghere ndị ọrụ bara ụba, na arụmọrụ nhazi dị elu site na mgbanwe kachasị elu nke ngwa ngwa ngwa ngwa ngwa ngwa.Ngwaọrụ DSP isi na-eji ụkpụrụ ụlọ dabere na cache ọkwa abụọ.Cache mmemme nke ọkwa 1 (L1P) bụ ebe nchekwa 32-KB kpọmkwem, yana cache data 1 (L1D) bụ ụzọ 32-KB 2, cache set-associative.Ọkwa 2 mmemme cache (L2P) nwere oghere ebe nchekwa 256-KB nke na-ekekọrịta n'etiti mmemme na ohere data.Enwere ike ịhazi ebe nchekwa L2 dị ka ebe nchekwa eserese, cache, ma ọ bụ ngwakọta nke abụọ ahụ.Ọ bụ ezie na ndị ọbịa ndị ọzọ na-enweta DSP L2 na sistemụ ahụ, 128KB ọzọ nke RAM na-ekekọrịta ebe nchekwa dị maka ndị ọbịa ndị ọzọ na-enweghị emetụta arụmọrụ DSP.Maka ngwaọrụ nchekwa enyere, TI Basic Secure Boot na-ahapụ ndị ọrụ ichebe ikike ọgụgụ isi ma gbochie ụlọ ọrụ mpụga ịgbanwe algọridim onye ọrụ mepụtara.Site na ịmalite site na ngwaike dabere na "mgbọrọgwụ ntụkwasị obi," mgbaba buut echekwara na-eme ka mmalite mmalite mara mma maka mmebe koodu. Site na ndabara, a na-akpọchi ọdụ ụgbọ mmiri JTAG iji gbochie nṅomi na mbuso agha; Otú ọ dị, ọdụ ụgbọ mmiri JTAG nwere ike ịbụ. A na-ezobe modul buut ka ọ nọ ọdụ na ebe nchekwa na-adịghị agbanwe agbanwe, dị ka flash ma ọ bụ EEPROM, a na-echekwa ya ma gosipụta ya mgbe a na-ebu ya n'oge buut echekwara. Basic Secure Boot na-eji SHA-1 ma ọ bụ SHA-256 na AES-128 maka nkwado ihe oyiyi buut. Basic Secure Boot na-ejikwa AES-128 maka izo ya ezo foto. Akpụkpọ ụkwụ nwere nchekwa na-eji atụmatụ ezoro ezo multilayer nke na-abụghị naanị na-echebe usoro buut kamakwa na-enyekwa ikike ịkwalite buut na koodu ngwanrọ ngwa na enweghị ntụkwasị obi. Igodo cipher akọwapụtara ngwaọrụ 128-bit, mara amara.naanị na ngwaọrụ ma mepụta ya site na iji NIST-800-22 gbaara agbaziri agbaziri nọmba generator, eji echebe igodo nzuzo ndị ahịa.Mgbe achọrọ mmelite, onye ahịa na-eji igodo nzuzo mepụta onyonyo ezoro ezo ọhụrụ.