{"id":2751,"date":"2025-07-24T16:54:48","date_gmt":"2025-07-24T15:54:48","guid":{"rendered":"https:\/\/workboot.fr\/ciela\/?page_id=2751"},"modified":"2025-07-24T18:15:39","modified_gmt":"2025-07-24T17:15:39","slug":"soc-bcm2835","status":"publish","type":"page","link":"https:\/\/workboot.fr\/ciela\/soc-bcm2835\/","title":{"rendered":"SOC BCM2837"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Syst\u00e8me On Chip <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Utilis\u00e9 sur le RPI3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Document constructeur officiel de BROADCOM<\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/07\/BCM2837-ARM-Peripherals.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Contenu embarqu\u00e9 BCM2837-ARM-Peripherals.\"><\/object><a id=\"wp-block-file--media-a63b84e1-12cc-4a78-8c7b-77fdcdeaca6b\" href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/07\/BCM2837-ARM-Peripherals.pdf\">BCM2837-ARM-Peripherals<\/a><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/07\/BCM2837-ARM-Peripherals.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-a63b84e1-12cc-4a78-8c7b-77fdcdeaca6b\">T\u00e9l\u00e9charger<\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>&nbsp;Introduction au BCM2837 (et BCM2837B0)<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>R\u00f4le<\/strong>&nbsp;: C\u0153ur des Raspberry Pi 3 (mod\u00e8les 3B, 3B+, 3A+).<\/li>\n\n\n\n<li><strong>Fabricant<\/strong>&nbsp;: Broadcom.<\/li>\n\n\n\n<li><strong>Architecture<\/strong>&nbsp;: Quad-core&nbsp;<strong>ARM Cortex-A53<\/strong>&nbsp;(64 bits, ARMv8-A).<\/li>\n\n\n\n<li><strong>Fr\u00e9quence<\/strong>&nbsp;:\n<ul class=\"wp-block-list\">\n<li>1.2 GHz (Pi 3B).<\/li>\n\n\n\n<li>1.4 GHz (Pi 3B+, avec gestion thermique am\u00e9lior\u00e9e).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>GPU int\u00e9gr\u00e9<\/strong>&nbsp;: VideoCore IV (compatible OpenGL ES 2.0, d\u00e9codage vid\u00e9o H.264 1080p).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Caract\u00e9ristiques techniques cl\u00e9s<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>CPU<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>4 c\u0153urs ARM Cortex-A53<\/strong>&nbsp;(64 bits, mais souvent ex\u00e9cut\u00e9 en mode 32 bits pour compatibilit\u00e9).<\/li>\n\n\n\n<li><strong>Jeu d\u2019instructions<\/strong>&nbsp;: ARMv8-A, avec NEON (SIMD) et VFPv4 (flottant).<\/li>\n\n\n\n<li><strong>Performances<\/strong>&nbsp;: ~3\u00d7 plus rapide que le BCM2835 (ARM11).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>M\u00e9moire<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>1 Go de RAM LPDDR2<\/strong>&nbsp;(partag\u00e9e avec le GPU, sauf sur Pi 3B+ qui a 1 Go LPDDR4).<\/li>\n\n\n\n<li><strong>MMU compl\u00e8te<\/strong>&nbsp;\u2192 Support des OS 64 bits (Linux aarch64, mais Raspberry Pi OS utilise souvent le mode 32 bits par d\u00e9faut).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Connectivit\u00e9 et p\u00e9riph\u00e9riques<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>GPIO<\/strong>&nbsp;: 40 broches (r\u00e9trocompatible avec les anciens mod\u00e8les), mais avec des am\u00e9liorations :\n<ul class=\"wp-block-list\">\n<li>Meilleure gestion du courant (8 mA par broche vs 2 mA sur BCM2835).<\/li>\n\n\n\n<li>Broches suppl\u00e9mentaires pour interfaces (SPI, I\u00b2C, UART).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>R\u00e9seau et sans-fil<\/strong>&nbsp;:\n<ul class=\"wp-block-list\">\n<li><strong>Wi-Fi 2.4 GHz 802.11n<\/strong>&nbsp;(int\u00e9gr\u00e9 sur Pi 3B+\/3A+).<\/li>\n\n\n\n<li><strong>Bluetooth 4.1\/4.2<\/strong>&nbsp;(BCM43438 ou BCM43455 selon le mod\u00e8le).<\/li>\n\n\n\n<li><strong>Ethernet 10\/100 Mbps<\/strong>&nbsp;(via USB 2.0 interne, donc limit\u00e9 en d\u00e9bit).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Autres am\u00e9liorations<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Alimentation<\/strong>&nbsp;: Support USB-C (Pi 3B+) et gestion thermique am\u00e9lior\u00e9e (dissipateur int\u00e9gr\u00e9 sur Pi 3B+).<\/li>\n\n\n\n<li><strong>USB 2.0<\/strong>&nbsp;: 4 ports (contre 2 sur les Pi 1\/Zero).<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Syst\u00e8me On Chip Utilis\u00e9 sur le RPI3 Document constructeur officiel de BROADCOM &nbsp;Introduction au BCM2837 (et BCM2837B0) Caract\u00e9ristiques techniques cl\u00e9s CPU M\u00e9moire Connectivit\u00e9 et p\u00e9riph\u00e9riques Autres am\u00e9liorations<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_crdt_document":"","_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-2751","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SOC BCM2837 - workboot<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/workboot.fr\/ciela\/soc-bcm2835\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SOC BCM2837 - workboot\" \/>\n<meta property=\"og:description\" content=\"Syst\u00e8me On Chip Utilis\u00e9 sur le RPI3 Document constructeur officiel de BROADCOM 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