{"id":458039,"date":"2024-08-10T09:18:52","date_gmt":"2024-08-10T07:18:52","guid":{"rendered":"https:\/\/www.eenewseurope.com\/?p=458039"},"modified":"2024-08-13T17:23:41","modified_gmt":"2024-08-13T15:23:41","slug":"raspberry-pi-lance-sa-premiere-puce-multicoeur-risc-v","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/raspberry-pi-lance-sa-premiere-puce-multicoeur-risc-v\/","title":{"rendered":"Raspberry Pi lance sa premi\u00e8re puce multic\u0153ur RISC-V"},"content":{"rendered":"<h3>Raspberry Pi a acc\u00e9l\u00e9r\u00e9 le d\u00e9veloppement de sa puce avec un microcontr\u00f4leur \u00e0 quatre c\u0153urs comprenant deux c\u0153urs ARM Cortex-M33 et deux c\u0153urs RISC-V internes.<\/h3>\n<p>La carte Raspberry Pi Pico 2 \u00e0 5 $ utilise le microcontr\u00f4leur RISC-V RP2350 et sera suivie d&rsquo;une version sans fil, la Pico 2 W, \u00e9quip\u00e9e d&rsquo;un modem d&rsquo;Infineon Technologies.<\/p>\n<p>Le RP2350 a une taille de puce deux fois plus grande, une vitesse d&rsquo;horloge plus \u00e9lev\u00e9e (150 MHz), une m\u00e9moire deux fois plus grande (520 Ko de SRAM r\u00e9partis en dix bancs) et de nouvelles fonctions de s\u00e9curit\u00e9 par rapport au RP2040 lanc\u00e9 il y a plus de trois ans avec deux c\u0153urs M0+. La taille de la puce est de 5,3 mm2, contre 2 mm2 pour le RP2040, mais la plus petite version, le RP2350A, ne co\u00fbtera que 10 cents de plus, soit 0,80 $ en bobines de 3 400 unit\u00e9s, ou 1,10 $ \u00e0 l&rsquo;unit\u00e9.<\/p>\n<p>En plus des c\u0153urs M33, le RP2350 ajoute deux c\u0153urs RISC-V qui peuvent \u00eatre allou\u00e9s au moment du d\u00e9marrage. La ROM d&rsquo;amor\u00e7age d\u00e9tecte automatiquement l&rsquo;architecture pour un binaire de second niveau et red\u00e9marre la puce dans le mode appropri\u00e9.<\/p>\n<p>Les c\u0153urs Hazard3 ont \u00e9t\u00e9 d\u00e9velopp\u00e9s par Luke Wren, actuellement ing\u00e9nieur principal dans l&rsquo;\u00e9quipe du Raspberry Pi, pendant son temps libre, en utilisant l&rsquo;architecture ouverte RISC-V (ISA) avec un processeur en pipeline \u00e0 trois \u00e9tages hautement optimis\u00e9. Celui-ci met en \u0153uvre le jeu d&rsquo;instructions RV32I, ainsi qu&rsquo;une vaste collection d&rsquo;extensions standard visant la performance et la densit\u00e9 du code. Toutes les fonctions de la puce, \u00e0 l&rsquo;exception d&rsquo;une poign\u00e9e de fonctions de s\u00e9curit\u00e9 et de l&rsquo;acc\u00e9l\u00e9rateur de virgule flottante en double pr\u00e9cision, sont disponibles en mode RISC-V.<\/p>\n<p>Les d\u00e9veloppeurs de logiciels ont ainsi la possibilit\u00e9 d&rsquo;exp\u00e9rimenter l&rsquo;architecture RISC-V dans un environnement stable et bien support\u00e9, et de populariser Hazard3 en tant que noyau propre et ouvert, utilisable dans d&rsquo;autres appareils ou comme base pour un d\u00e9veloppement ult\u00e9rieur, explique la soci\u00e9t\u00e9.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"L6XB20hvZo\"><p><a href=\"https:\/\/www.eenewseurope.com\/en\/raspberry-pi-readies-cm5-compute-module\/\">Raspberry Pi readies CM5 compute module<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content lazyload\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Raspberry Pi readies CM5 compute module&#8221; &#8212; eeNews Europe\" data-src=\"https:\/\/www.eenewseurope.com\/en\/raspberry-pi-readies-cm5-compute-module\/embed\/#?secret=z8fOO6PWAk#?secret=L6XB20hvZo\" data-secret=\"L6XB20hvZo\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" data-load-mode=\"1\"><\/iframe><\/p>\n<p>L&rsquo;architecture de s\u00e9curit\u00e9 s&rsquo;appuie sur Arm TrustZone pour Cortex-M et comprend la prise en charge de l&rsquo;amor\u00e7age sign\u00e9, 8 Ko de m\u00e9moire antifusible programmable une fois (OTP), l&rsquo;acc\u00e9l\u00e9ration SHA-256, un g\u00e9n\u00e9rateur de nombres al\u00e9atoires r\u00e9els (TRNG) mat\u00e9riel.<\/p>\n<p>La puce comprend \u00e9galement une alimentation \u00e0 d\u00e9coupage et un r\u00e9gulateur \u00e0 faible courant de repos (LDO) <a href=\"https:\/\/www.eenewseurope.com\/en\/raspberry-pi-develops-its-own-power-management-chips\/\">d\u00e9velopp\u00e9s avec Dolphin Design<\/a> en France <a href=\"https:\/\/www.eenewseurope.com\/en\/raspberry-pi-develops-its-own-power-management-chips\/\">.<\/a><\/p>\n<p>Au lieu du bo\u00eetier QFN56 de 7\u00d77 mm du RP2040, le RP2350 propose un bo\u00eetier QFN60 de 7\u00d77 mm (RP2350A) avec 30 GPIO, ou un bo\u00eetier QFN80 de 10\u00d710 mm (RP2350B) avec 48 GPIO, ainsi que des variantes de chaque bo\u00eetier avec 2 Mo de flash QSPI empil\u00e9 (RP2354A et RP2354B).<\/p>\n<p>Bien qu&rsquo;il y ait relativement peu de stock dans les circuits aujourd&rsquo;hui, le Pico 2 est en pleine production chez Sony. Avant la fin de l&rsquo;ann\u00e9e, nous pr\u00e9voyons de livrer un Pico 2 W sans fil, utilisant le m\u00eame modem Infineon 43439 que le Pico W, ainsi que des versions du Pico 2 et du Pico 2 W avec des connecteurs de 0,1 pouce pr\u00e9install\u00e9s.<\/p>\n<p>Le Pico 2 et le RP2350 sont pris en charge par une version actualis\u00e9e du Pico SDK et par de nouvelles images MicroPython et CircuitPython. Le projet Trusted Firmware vise \u00e0 faire du RP2350 la plateforme mat\u00e9rielle de r\u00e9f\u00e9rence pour la version Trusted Firmware-M 2.1.0 Long Term Support et TF-M fournit une impl\u00e9mentation de r\u00e9f\u00e9rence pour PSA Certified sur les puces Arm v8-M, offrant aux d\u00e9veloppeurs un moyen facile de s\u00e9curiser les appareils contre les attaques courantes.<\/p>\n<p>Le SDK Pigweed de Google a \u00e9galement ajout\u00e9 la prise en charge native de Pico 2. Les biblioth\u00e8ques d&rsquo;intergiciels ont \u00e9t\u00e9 install\u00e9es dans des millions d&rsquo;appareils, y compris les appareils Pixel de Google et les thermostats Nest.<\/p>\n<h4>Autres cartes avec le RP2350<\/h4>\n<p>Les fabricants de cartes qui utilisent le RP2350 comprennent Seeed, SparkFun et 4D Systems pour des \u00e9crans haute performance de 24\u2033 \u00e0 7,0\u2033 avec des options tactiles et non tactiles, ainsi que Adafruit Metro RP2350 pour ajouter des boucliers et des accessoires compatibles avec Arduino, et les outils de d\u00e9bogage \u00e0 mat\u00e9riel ouvert Bus Pirate 5XL et Bus Pirate 6.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"od59dFihjB\"><p><a href=\"https:\/\/www.eenewseurope.com\/en\/raspberry-pi-sdr-for-5g-small-cells\/\">Raspberry Pi SDR for 5G small cells<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content lazyload\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Raspberry Pi SDR for 5G small cells&#8221; &#8212; eeNews Europe\" data-src=\"https:\/\/www.eenewseurope.com\/en\/raspberry-pi-sdr-for-5g-small-cells\/embed\/#?secret=rn3Brpzgmc#?secret=od59dFihjB\" data-secret=\"od59dFihjB\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" data-load-mode=\"1\"><\/iframe><\/p>\n<p>Cytron a d\u00e9velopp\u00e9 un contr\u00f4leur d&rsquo;E\/S de qualit\u00e9 industrielle bas\u00e9 sur le RP2350 et un contr\u00f4leur de robot, tandis que la carte de d\u00e9veloppement Hellbender Raspberry Pi RP2350 est con\u00e7ue pour \u00eatre un microcontr\u00f4leur \u00e0 usage g\u00e9n\u00e9ral et une carte de capteurs. <a href=\"https:\/\/wiznet.io\/\">Wiznet<\/a> propose \u00e9galement des cartes d&rsquo;\u00e9valuation pour ses puces Ethernet W5100S, W5500 et W6100 bas\u00e9es sur le RP2350.<\/p>\n<p>Le RP2350 sera disponible en volume avant la fin de l&rsquo;ann\u00e9e 2024. Le programme d&rsquo;\u00e9chantillons est disponible sur la <a href=\"https:\/\/www.raspberrypi.com\/products\/rp2350\/\">page produit<\/a> Raspberry Pi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Raspberry Pi a acc\u00e9l\u00e9r\u00e9 le d\u00e9veloppement de sa puce avec un microcontr\u00f4leur \u00e0 quatre c\u0153urs comprenant deux c\u0153urs ARM Cortex-M33 et deux c\u0153urs RISC-V internes. La carte Raspberry Pi Pico 2 \u00e0 5 $ utilise le microcontr\u00f4leur RISC-V RP2350 et sera suivie d&rsquo;une version sans fil, la Pico 2 W, \u00e9quip\u00e9e d&rsquo;un modem d&rsquo;Infineon Technologies. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":457986,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[883],"tags":[2177,3641,1674],"domains":[47],"ppma_author":[3640],"class_list":["post-458039","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologies","tag-raspberry-pi-fr","tag-risc-v-fr","tag-risc-v-2","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Raspberry Pi lance sa premi\u00e8re puce multic\u0153ur RISC-V ...<\/title>\n<meta name=\"description\" content=\"Raspberry Pi a con\u00e7u un microcontr\u00f4leur \u00e0 quatre c\u0153urs avec deux c\u0153urs ARM Cortex-M33 et deux c\u0153urs RISC-V pour ses cartes Pico 2 et Pico 2W.\" \/>\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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