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News › Atmel introduce microcontrollere cu core 8051 cu executie pe singur ceas
Atmel a anuntat introducerea a patru noi microcontrollere in capsula
14-pin si 2 in capsula 16-pin bazate pe core-ul 8051 insa cu executie "single cycle". Arhitectura nucleului "single cycle" de la Atmel’s executa intstructiunile de tip byte fetch intr-un singur ceas procesor rezultand astfel incat 70% din toate instructiunile sa poata fi executate intr-un singur tact. Comparat cu alte implementari de 8051, aceasta fie poate imbunatati performanta de 12 ori sau va permite reducerea consumului de pana la 80%. Noile procesoare cu codurile AT89LP214 si AT89LP213 ele fiind echipate cu 2 Kbytes de memorie flash iar cele cu codurile AT89LP414 si AT89LP413 vor avea 4 Kbytes Flash memorie interna. Versiunile de 16-pin sunt codate AT89LP216 si AT89LP416 si vor avea 2 sau 4 Kbytes Flash. Aceste chip-uri vin cu facilitati de "on-chip debug", "on-chip hardware multiplier", "Pulse Width Modulation", comparator analog, oscilator intern RC si 12 I/O-uri de folosinta generala in aplicatii. Acestea sunt ideale pentru controlul motoarelor, managemenul bateriilor si alte aplicatii de ordin general. Aceste noi microcontrollere pot atinge 20 MIPS cand ruleaza la 20 MHz si sa consume putere foarte redusa cand ruleaza la frecvente reduse. Puterea tipica consumata la 3.6V in mod activ cu 1 MHz ceas este de 1.1 mA si mai putin de 0.45 mA in mod "idle". Acestea pot sa lucreze la 2V cu 10 MHz si 2.4V la 20 MHz. Controllerele cu codurile AT89LP214 si AT89LP213 sunt disponibile in capsule de 14-pin TSSOP si PDIP
pe cad AT89LP216 este disponibil in capsule 16-pin TSS0P, SOIC si
PDIP. Click aici pentru anuntul de presa si informatii tehnice despre AT89LP21x si AT89LP41x. Posted by administrator on Wednesday, July 19, 2006 (14:19:34) (2534 reads) [ Administration ]
Re: Atmel introduce microcontrollere cu core 8051 cu executie pe singur ceas
(Score: 1 )
Mi se pare ciudat ca scot noi produse pe linia lui 8051 si nu se tem ca erodeaza piata lui AVR. Asta poate ca au scos din productie 89c2051 care era super la pret si numar de pini. by daniel on Friday, July 21, 2006 (11:45:59) (User Info | Send a Message)
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