{"id":233488,"date":"2015-06-22T22:00:00","date_gmt":"2015-06-22T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/concentrateurs-intelligents-elargissant-lespace-applicatif-des-hubs-usb-3-0\/"},"modified":"2015-06-22T22:00:00","modified_gmt":"2015-06-22T22:00:00","slug":"concentrateurs-intelligents-elargissant-lespace-applicatif-des-hubs-usb-3-0","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/concentrateurs-intelligents-elargissant-lespace-applicatif-des-hubs-usb-3-0\/","title":{"rendered":"Concentrateurs intelligents \u00e9largissant l\u2019espace applicatif des hubs USB 3.0"},"content":{"rendered":"<p>Cette famille de concentrateurs porte le logo USB-IF (TID 330000058) et affiche une excellente int&eacute;grit&eacute; du signal, favorisant des syst&egrave;mes sur carte plus robustes tout en r&eacute;duisant la sensibilit&eacute; aux variations de c&acirc;ble, connecteur et topologie.<br \/>\nUn concentrateur intelligent, ou Smart Hub, est un hub qui int&egrave;gre des fonctionnalit&eacute;s syst&egrave;me typiquement associ&eacute;es &agrave; un microcontr&ocirc;leur ou processeur distinct. Ces concentrateurs intelligents USB 3.0 permettent au contr&ocirc;leur h&ocirc;te en amont de communiquer avec de nombreux types de p&eacute;riph&eacute;riques externes au-del&agrave; de la connexion USB via une liaison directe entre l&rsquo;interface USB et les interfaces I2C, SPI, UART et GPIO (E\/S &agrave; usage g&eacute;n&eacute;ral). Cette fonctionnalit&eacute; int&eacute;gr&eacute;e contribue &agrave; r&eacute;duire significativement la complexit&eacute; du syst&egrave;me en &eacute;liminant le recours &agrave; un microcontr&ocirc;leur externe, tout en offrant un meilleur contr&ocirc;le &agrave; partir du mat&eacute;riel USB Host.<br \/>\nLa technologie propri&eacute;taire brevet&eacute;e FlexConnect offre au mod&egrave;le USB5734 la possibilit&eacute; in&eacute;gal&eacute;e de basculer de mani&egrave;re dynamique entre l&rsquo;USB Host et l&rsquo;USB Device au moyen de commandes mat&eacute;rielles ou logicielles, donnant au nouvel USB h&ocirc;te la possibilit&eacute; d&rsquo;acc&eacute;der &agrave; des ressources situ&eacute;es en aval. Elle autorise aussi la bascule des ressources communes en aval vers deux USB Host diff&eacute;rents. L&rsquo;int&eacute;gration de cette technologie &agrave; un syst&egrave;me simplifie les exigences logicielles g&eacute;n&eacute;rales de l&rsquo;h&ocirc;te principal, puisque les drivers de classe et le logiciel applicatif demeurent pr&eacute;sents en local pour le p&eacute;riph&eacute;rique Device devenu Host.\n<\/p>\n<hr \/>\n<p>Les d&eacute;veloppeurs syst&egrave;me peuvent facilement configurer des ports et d&eacute;finir les param&egrave;tres de l&rsquo;application via des s&eacute;lections mat&eacute;rielles de mode peu co&ucirc;teuses par r&eacute;sistance (boot strapping). Si des fonctionnalit&eacute;s plus avanc&eacute;es sont requises, le concentrateur peut &ecirc;tre configur&eacute; et programm&eacute; gr&acirc;ce &agrave; l&rsquo;outil propri&eacute;taire de configuration ProTouch2.<br \/>\nCette famille de concentrateurs convient pour une multitude d&rsquo;applications telles qu&rsquo;ordinateurs, syst&egrave;mes embarqu&eacute;s, appareils m&eacute;dicaux, &eacute;quipements industriels et r&eacute;seaux. Le mod&egrave;le USB5734 est propos&eacute; en bo&icirc;tier QFN 64 broches de 9 x 9 mm, alors que l&rsquo;USB5744 est encapsul&eacute; en bo&icirc;tier QFN 56 broches de seulement 7 x 7 mm, ce qui en fait, &agrave; ce jour, le concentrateur USB 3.0 le plus petit du march&eacute;, bien adapt&eacute; pour les applications avec des contraintes d&rsquo;espace. Les d&eacute;veloppeurs b&eacute;n&eacute;ficient &eacute;galement des cartes d&rsquo;&eacute;valuation EVB-USB5734 et EVB-USB5744 associ&eacute;es &agrave; ces composants pour faciliter leurs tests et d&eacute;veloppements.<\/p>\n<\/p>\n<p><a title=\"www.microchip.com\/USB5734\" target=\"_blank\" href=\"http:\/\/www.microchip.com\/USB5734-Page-060215a\" rel=\"noopener\">www.microchip.com\/USB5734<\/a><a title=\"www.microchip.com\/USB5744\" target=\"_blank\" href=\"http:\/\/www.microchip.com\/USB5744-Page-060215a\" rel=\"noopener\"><br \/>\nwww.microchip.com\/USB5744<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microchip annonce le lancement des concentrateurs USB 3.0 intelligents USB5734 et USB5744 qui permettent l\u2019inversion des ports USB Host et Device, la liaison directe des E\/S et incluent plusieurs autres interfaces de communication. Ces circuits int\u00e8grent un microcontr\u00f4leur dot\u00e9 de fonctionnalit\u00e9s innovantes pour les hubs USB, tout en r\u00e9duisant les co\u00fbts mat\u00e9riels et la complexit\u00e9 logicielle.<\/p>\n","protected":false},"author":22,"featured_media":233489,"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-233488","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Concentrateurs intelligents \u00e9largissant l\u2019espace applicatif ...<\/title>\n<meta name=\"description\" content=\"Microchip annonce le lancement des concentrateurs USB 3.0 intelligents USB5734 et USB5744 qui permettent l\u2019inversion des ports USB Host et Device, la...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/233488\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Concentrateurs intelligents \u00e9largissant l\u2019espace applicatif des hubs USB 3.0\" \/>\n<meta property=\"og:description\" content=\"Microchip annonce le lancement des concentrateurs USB 3.0 intelligents USB5734 et USB5744 qui permettent l\u2019inversion des ports USB Host et Device, la liaison directe des E\/S et incluent plusieurs autres interfaces de communication. Ces circuits int\u00e8grent un microcontr\u00f4leur dot\u00e9 de fonctionnalit\u00e9s innovantes pour les hubs USB, tout en r\u00e9duisant les co\u00fbts mat\u00e9riels et la complexit\u00e9 logicielle.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/233488\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2015-06-22T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci7298_microchip_mc1270-usb5734-usb5744usb3-smart-hubs_lo.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2100\" \/>\n\t<meta property=\"og:image:height\" content=\"1500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews Europe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written 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