{"id":222507,"date":"2011-09-21T22:00:00","date_gmt":"2011-09-21T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/microcontroleurs-architectures-autour-dun-processeur-cortex\/"},"modified":"2011-09-21T22:00:00","modified_gmt":"2011-09-21T22:00:00","slug":"microcontroleurs-architectures-autour-dun-processeur-cortex","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/microcontroleurs-architectures-autour-dun-processeur-cortex\/","title":{"rendered":"Microcontr\u00f4leurs architectur\u00e9s autour d&rsquo;un processeur Cortex"},"content":{"rendered":"<p>Gr&acirc;ce &agrave; son jeu d&rsquo;instructions de traitement du signal num&eacute;rique (DSP) &agrave; un seul cycle, le microcontr&ocirc;leur STM32 F4 ouvre la voie au march&eacute; des contr&ocirc;leurs de signal num&eacute;riques (DSC) qui exigent une importante capacit&eacute; de calcul et des instructions DSP pour des applications aussi exigeantes que les commandes de moteur de haut de gamme, les appareils m&eacute;dicaux et la s&eacute;curit&eacute;. En assurant une mise &agrave; niveau simple enti&egrave;rement compatible sur le double plan du logiciel et du brochage de la s&eacute;rie STM32 F2 associ&eacute;e &agrave; une m&eacute;moire SRAM plus importante, &agrave; des performances accrues et &agrave; un solide jeu de p&eacute;riph&eacute;riques, la s&eacute;rie F4 permettra aux clients qui utilisent les microcontr&ocirc;leurs de la s&eacute;rie STM32 F2 et ont besoin davantage de m&eacute;moire, de performances ou de capacit&eacute;s, de proposer des extensions de produits en &eacute;voluant vers la s&eacute;rie F4. De plus, les clients qui utilisent actuellement une configuration &agrave; deux circuits (DSP et microcontr&ocirc;leur) peuvent d&eacute;sormais combiner les deux circuits int&eacute;gr&eacute;s au sein d&rsquo;un seul contr&ocirc;leur de signal num&eacute;rique de hautes performances.<br \/>\n&quot; La s&eacute;rie STM32 F4 est s&eacute;duisante &agrave; plusieurs titres, en plus d&rsquo;&ecirc;tre tout simplement le plus puissant de tous les microcontr&ocirc;leurs architectur&eacute;s autour d&rsquo;un processeur Cortex M disponible actuellement sur le march&eacute; &quot;, a d&eacute;clar&eacute; Claude Dardanne, Executive Vice-Pr&eacute;sident et Directeur G&eacute;n&eacute;ral du groupe Microcontr&ocirc;leurs, M&eacute;moires et Microcontr&ocirc;leurs s&eacute;curis&eacute;s de STMicroelectronics. &quot; Avec plus de 250 r&eacute;f&eacute;rences compatibles d&eacute;j&agrave; en production, le meilleur &eacute;cosyst&egrave;me de d&eacute;veloppement de l&rsquo;industrie, une tr&egrave;s basse consommation d&rsquo;&eacute;nergie et d&rsquo;exceptionnelles fonctionnalit&eacute;s g&eacute;n&eacute;rales, la famille F4 repr&eacute;sente la cerise sur le g&acirc;teau pour la famille STM32 de microcontr&ocirc;leurs architectur&eacute;s autour de processeurs Cortex M. Cette famille est d&eacute;sormais d&eacute;clin&eacute;e en quatre s&eacute;ries de produits : la s&eacute;rie STM32 F1, la s&eacute;rie STM32 F2 et la s&eacute;rie STM32 L1 qui sont toutes bas&eacute;es sur le processeur Cortex-M3, que compl&egrave;te la nouvelle s&eacute;rie F4 architectur&eacute;e autour du processeur Cortex-M4. &quot;<br \/>\nOutre la compatibilit&eacute; sur le plan logiciel et du brochage avec les microcontr&ocirc;leurs haute performance de la s&eacute;rie F2, la s&eacute;rie F4 fonctionne &agrave; une fr&eacute;quence plus &eacute;lev&eacute;e (168 MHz au lieu de 120 MHz), prend en charge des instructions DSP en un seul cycle et dispose d&rsquo;une unit&eacute; de calcul en virgule flottante (FPU), une m&eacute;moire SRAM plus importante (192 Ko au lieu de 128 Ko), une m&eacute;moire flash embarqu&eacute;e comprise entre 512 kilo-octets et 1 m&eacute;ga-octets, et des p&eacute;riph&eacute;riques avanc&eacute;s pour les applications d&rsquo;imagerie, de connectivit&eacute; et d&rsquo;encryptage. La technologie de fabrication CMOS en 90 nm de ST et l&rsquo;acc&eacute;l&eacute;rateur adaptatif temps r&eacute;el int&eacute;gr&eacute; assurent des performances de pointe avec ex&eacute;cution de programmes &agrave; z&eacute;ro &eacute;tat d&rsquo;attente jusqu&rsquo;&agrave; 168 MHz et une puissance dynamique optimale.3 <\/p>\n<p>www.st.com. <\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>STMicroelectronics vient d&rsquo;annoncer l&rsquo;introduction de sa nouvelle s\u00e9rie de microcontr\u00f4leurs STM32 F4. Cette extension de la plate-forme STM32 est architectur\u00e9e autour du tout dernier coeur de processeur ARM Cortex-M4, qui ajoute des fonctionnalit\u00e9s de traitement du signal et un fonctionnement plus rapide au portefeuille d\u00e9j\u00e0 exceptionnel de microcontr\u00f4leurs STM32 de la soci\u00e9t\u00e9.<\/p>\n","protected":false},"author":22,"featured_media":222508,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-222507","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Microcontr\u00f4leurs architectur\u00e9s autour d&#039;un processeur Cortex ...<\/title>\n<meta name=\"description\" content=\"STMicroelectronics vient d&#039;annoncer l&#039;introduction de sa nouvelle s\u00e9rie de microcontr\u00f4leurs STM32 F4. 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