{"id":135358,"date":"2017-12-14T03:31:44","date_gmt":"2017-12-14T03:31:44","guid":{"rendered":"https:\/\/\/circuit-bluetooth-basse-consommation-pour-applications-automobiles\/"},"modified":"2017-12-14T03:31:44","modified_gmt":"2017-12-14T03:31:44","slug":"circuit-bluetooth-basse-consommation-pour-applications-automobiles","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/circuit-bluetooth-basse-consommation-pour-applications-automobiles\/","title":{"rendered":"Circuit Bluetooth basse consommation pour applications automobiles"},"content":{"rendered":"

Ce dispositif est utilisable dans les environnements automobiles difficiles et avec des plages de temp\u00e9ratures \u00e9tendues. Le TC35679IFTG \u00e0 signal mixte regroupe \u00e0 la fois des composants analogiques RF et des composants num\u00e9riques en bande de base, pour constituer une solution compl\u00e8te tenant dans un seul bo\u00eetier de type QFN compact et mince, de 6 x 6 x 1 mm au pas de 0,5 mm.<\/p>\n

Le TC35679 fournit les fonctions d\u2019interface Bluetooth HCI (Host Control Interface) ainsi que les fonctions de profil GATT basse \u00e9nergie. Ce CI peut devenir un processeur d’application complet une fois associ\u00e9 \u00e0 une m\u00e9moire externe non-volatile, ou \u00eatre utilis\u00e9 en association avec un processeur h\u00f4te externe. Il est bas\u00e9 sur un processeur ARM Cortex-M0 et comprend une confortable ROM masque de 384 ko pour g\u00e9rer la bande de base Bluetooth, et 192 ko de RAM suppl\u00e9mentaire pour les applications et les donn\u00e9es Bluetooth.<\/p>\n

Une caract\u00e9ristique int\u00e9ressante du TC35679 est son utilisation possible dans des syst\u00e8mes sophistiqu\u00e9s gr\u00e2ce \u00e0 ses 17 lignes GPIO (General Purpose Input Output) et \u00e0 de multiples options de communication, dont SPI et I2<\/sup>C, ainsi qu\u2019un UART deux canaux \u00e0 921,6 kbits\/s. Ces lignes GPIO donnent acc\u00e8s \u00e0 toute une gamme de fonctions embarqu\u00e9es sur la puce, notamment une interface de sortie de veille, une interface PWM 4 canaux, un CAN 6 canaux, et la possibilit\u00e9 de contr\u00f4ler un amplificateur de puissance externe optionnel pour les applications n\u00e9cessitant une port\u00e9e plus longue. Un convertisseur CC et des circuits LDO permettent d\u2019ajuster la tension d’alimentation externe aux niveaux dont la puce a besoin.<\/p>\n

Le TC35679 accepte une large gamme de tension d’alimentation (1,8 \u00e0 3,6V) ce qui en fait un candidat id\u00e9al pour les applications automobiles. La plage de temp\u00e9rature de fonctionnement s\u2019\u00e9tend de -40\u00b0C \u00e0 105\u00b0C pour des tensions d’entr\u00e9e de 2,7V \u00e0 3,6V et de -40\u00b0C \u00e0 85\u00b0C pour des tensions de 1,8V \u00e0 3,6V.<\/p>\n

www.toshiba.semicon-storage.com<\/a>    <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Toshiba Electronics Europe a annonc\u00e9 un nouveau CI conforme \u00e0 la sp\u00e9cification de base Bluetooth\u00a0LE\u00a0(Low Energy) version 4.2, incluant notamment la gestion de connexion s\u00e9curis\u00e9e, des fonctions de confidentialit\u00e9 LE, et le support am\u00e9lior\u00e9 des paquets longs.<\/p>\n","protected":false},"author":9,"featured_media":135359,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-135358","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Circuit Bluetooth basse consommation pour applications automobi...<\/title>\n<meta name=\"description\" content=\"Toshiba Electronics Europe a annonc\u00e9 un nouveau CI conforme \u00e0 la sp\u00e9cification de base 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