{"id":205498,"date":"2016-07-06T23:00:00","date_gmt":"2016-07-06T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/solution-bluetooth-low-energy-mono-circuit\/"},"modified":"2016-07-06T23:00:00","modified_gmt":"2016-07-06T23:00:00","slug":"solution-bluetooth-low-energy-mono-circuit","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/solution-bluetooth-low-energy-mono-circuit\/","title":{"rendered":"Solution Bluetooth Low Energy mono-circuit"},"content":{"rendered":"<p>La technologie Bluetooth basse consommation convient id\u00e9alement aux capteurs intelligents basse consommation et aux appareils connect\u00e9s tels que les produits \u00e9lectroniques port\u00e9s, les balises \u00abbeacons\u00bb utilis\u00e9es dans la grande distribution, les syst\u00e8mes d&rsquo;acc\u00e8s sans cl\u00e9, les t\u00e9l\u00e9commandes intelligentes, les syst\u00e8mes de suivi d&rsquo;actifs et les affichages industriels et m\u00e9dicaux.<br \/>\nCes appareils doivent assurer un fonctionnement \u00e9co-\u00e9nerg\u00e9tique avec, notamment, une tr\u00e8s faible consommation d&rsquo;\u00e9nergie dans les modes \u00ab\u00a0sommeil\u00a0\u00bb et \u00ab\u00a0veille\u00a0\u00bb fr\u00e9quemment utilis\u00e9s pour optimiser la dur\u00e9e de vie de la batterie. Des solides performances radio sont \u00e9galement n\u00e9cessaires pour identifier la disponibilit\u00e9 des appareils et leur connexion avec une fiabilit\u00e9 maximale.<\/p>\n<p>Pour r\u00e9pondre \u00e0 ces exigences, ce SoC int\u00e8gre un \u00e9metteur-r\u00e9cepteur radio extr\u00eamement \u00e9conome en \u00e9nergie dans les modes fr\u00e9quemment utilis\u00e9s par des dispositifs tels que des balises pour \u00e9tablir des connexions de courte dur\u00e9e avec des smartphones. La capacit\u00e9 du circuit \u00e0 basculer rapidement entre les modes \u00ab\u00a0\u00e9conomie d&rsquo;\u00e9nergie\u00a0\u00bb et \u00ab\u00a0actif\u00a0\u00bb prolonge la dur\u00e9e de vie de la batterie \u00e0 plusieurs ann\u00e9es au lieu de quelques mois. En outre, la puissance de sortie RF est port\u00e9e \u00e0 +8&nbsp;dBm pour assurer des communications claires et fiables avec, \u00e0 la cl\u00e9, une efficacit\u00e9 optimale, m\u00eame dans des environnements bruyants.<\/p>\n<p>Architectur\u00e9 autour d&rsquo;un processeur ARM Cortex-M0 32&nbsp;bits cadenc\u00e9 \u00e0 32&nbsp;MHz, ce syst\u00e8me mono-c\u0153ur affiche de hautes performances par milliwatt. Ses 160&nbsp;ko de m\u00e9moire flash embarqu\u00e9e assurent le stockage des donn\u00e9es et du code applicatif, ainsi que la mise \u00e0 jour de la pile du firmware Bluetooth basse consommation propri\u00e9taire. Il se caract\u00e9rise \u00e9galement par des fonctionnalit\u00e9s \u00e0 valeur ajout\u00e9e qui facilitent la conception des designers. Parmi celles-ci figurent une entr\u00e9e d\u00e9di\u00e9e pour microphone num\u00e9rique qui simplifie l&rsquo;utilisation d&rsquo;applications \u00e0 commande vocale, et une temp\u00e9rature op\u00e9rationnelle de 105&nbsp;\u00b0C maximum qui convient aux applications automobiles et d&rsquo;\u00e9clairage intelligent. La prise en charge de la toute derni\u00e8re sp\u00e9cification Bluetooth basse consommation version 4.2 garantit un niveau de confidentialit\u00e9 et de s\u00e9curit\u00e9 avanc\u00e9.<\/p>\n<hr \/>\n<p>Compte tenu de l&rsquo;importance que repr\u00e9sente la consommation d&rsquo;\u00e9nergie pour les applications Bluetooth Low Energy, ce syst\u00e8me dispose \u00e9galement d&rsquo;un outil d&rsquo;estimation de l&rsquo;intensit\u00e9 qui permet d&rsquo;\u00e9valuer l&rsquo;impact de facteurs variables tels que la puissance de sortie en \u00e9mission, la pr\u00e9cision de l&rsquo;horloge de mise en mode sommeil ma\u00eetre\/esclave, la protection de la RAM, l&rsquo;intervalle de balayage ou de recherche de connexion, la longueur des donn\u00e9es, et l&rsquo;activation du convertisseur continu-continu.<\/p>\n<p>Parmi les p\u00e9riph\u00e9riques importants qui simplifient la conception et r\u00e9duisent le nombre de composants, on peut citer un convertisseur analogique\/num\u00e9rique 10&nbsp;bits et des unit\u00e9s ma\u00eetre\/esclaves I2C et SPI, un \u00e9metteur-r\u00e9cepteur UART et jusqu&rsquo;\u00e0 15 E\/S configurables par l&rsquo;utilisateur en fonction du type de bo\u00eetier.<\/p>\n<p>Ce SoC est propos\u00e9 en deux types de bo\u00eetier, un QFN-32 de 5 x 5&nbsp;mm et un WLCSP-34 de 2,7&nbsp;x 2,6&nbsp;mm pour les applications o\u00f9 l&rsquo;espace disponible est limit\u00e9. Il est compl\u00e9t\u00e9 par un \u00e9cosyst\u00e8me de d\u00e9veloppement complet qui comprend notamment un kit de d\u00e9veloppement logiciel avec des interfaces API, les circuits de commande de capteurs, des exemples d&rsquo;applications, etc.<\/p>\n<p><a href=\"http:\/\/www.st.com\/content\/st_com\/en\/products\/wireless-connectivity\/bluetooth-bluetooth-low-energy\/bluenrg-1.html?icmp=tt3811_gl_pron_jun2016\" target=\"_blank\" rel=\"noopener\">www.st.com\/BlueNRG-1<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Conjuguant une faible consommation et un haut niveau de fiabilit\u00e9 en connexion radio, le syst\u00e8me sur puce (SoC) BlueNRG-1 d\u00e9velopp\u00e9 par STMicroelectronics r\u00e9pond aux besoins des march\u00e9s Bluetooth basse consommation en rapide essor, tels que les balises utilis\u00e9es dans la grande distribution, les produits \u00e9lectroniques port\u00e9s, les foyers connect\u00e9s, l&rsquo;automobile, l&rsquo;industrie et le m\u00e9dical.<\/p>\n","protected":false},"author":9,"featured_media":205499,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[908,915],"domains":[47],"ppma_author":[1141],"class_list":["post-205498","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-plds-fpgas-asics-fr","tag-wireless-communications-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Solution Bluetooth Low Energy mono-circuit ...<\/title>\n<meta name=\"description\" content=\"Conjuguant une faible consommation et un haut niveau de fiabilit\u00e9 en connexion radio, le syst\u00e8me sur puce (SoC) BlueNRG-1 d\u00e9velopp\u00e9 par...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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