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</header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Sommaire" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Sommaire</h2> <button 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class="vector-toc-link" href="#Notes_et_références"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Notes et références</span> </div> </a> <button aria-controls="toc-Notes_et_références-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Afficher / masquer la sous-section Notes et références</span> </button> <ul id="toc-Notes_et_références-sublist" class="vector-toc-list"> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Références" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Références"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Références</span> </div> </a> <ul id="toc-Références-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Voir_aussi" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Voir_aussi"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Voir aussi</span> </div> </a> <button aria-controls="toc-Voir_aussi-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Afficher / masquer la sous-section Voir aussi</span> </button> <ul id="toc-Voir_aussi-sublist" class="vector-toc-list"> <li id="toc-Articles_connexes" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Articles_connexes"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Articles connexes</span> </div> </a> <ul id="toc-Articles_connexes-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Sommaire" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table des matières" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Basculer la table des matières" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Basculer la table des matières</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Bus de données</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Aller à un article dans une autre langue. Disponible en 6 langues." > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-6" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">6 langues</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Datov%C3%A1_sb%C4%9Brnice" title="Datová sběrnice – tchèque" lang="cs" hreflang="cs" data-title="Datová sběrnice" data-language-autonym="Čeština" data-language-local-name="tchèque" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-mhr mw-list-item"><a href="https://mhr.wikipedia.org/wiki/%D0%AB%D2%A5%D0%BF%D0%B0%D0%BB%D0%B5_%D1%88%D0%B0%D0%B9" title="Ыҥпале шай – Eastern Mari" lang="mhr" hreflang="mhr" data-title="Ыҥпале шай" data-language-autonym="Олык марий" data-language-local-name="Eastern Mari" class="interlanguage-link-target"><span>Олык марий</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Databus_(elektronica)" title="Databus (elektronica) – néerlandais" lang="nl" hreflang="nl" data-title="Databus (elektronica)" data-language-autonym="Nederlands" data-language-local-name="néerlandais" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Szyna_danych" title="Szyna danych – polonais" lang="pl" hreflang="pl" data-title="Szyna danych" data-language-autonym="Polski" data-language-local-name="polonais" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A8%D0%B8%D0%BD%D0%B0_%D0%B4%D0%B0%D0%BD%D0%BD%D1%8B%D1%85" title="Шина данных – russe" lang="ru" hreflang="ru" data-title="Шина данных" data-language-autonym="Русский" data-language-local-name="russe" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A8%D0%B8%D0%BD%D0%B0_%D0%B4%D0%B0%D0%BD%D0%B8%D1%85" title="Шина даних – ukrainien" lang="uk" hreflang="uk" data-title="Шина даних" data-language-autonym="Українська" data-language-local-name="ukrainien" class="interlanguage-link-target"><span>Українська</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q2928673#sitelinks-wikipedia" title="Modifier les liens interlangues" class="wbc-editpage">Modifier les liens</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Espaces de noms"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Bus_de_donn%C3%A9es" title="Voir le contenu de la page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discussion:Bus_de_donn%C3%A9es" rel="discussion" title="Discussion au sujet de cette page de contenu [t]" accesskey="t"><span>Discussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" 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<div class="vector-pinnable-header-label">Outils</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">masquer</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Plus d’options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Bus_de_donn%C3%A9es"><span>Lire</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Bus_de_donn%C3%A9es&veaction=edit" title="Modifier cette page [v]" accesskey="v"><span>Modifier</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Bus_de_donn%C3%A9es&action=edit" title="Modifier le wikicode de cette page [e]" accesskey="e"><span>Modifier le code</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Bus_de_donn%C3%A9es&action=history"><span>Voir l’historique</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Général </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Pages_li%C3%A9es/Bus_de_donn%C3%A9es" title="Liste des pages liées qui pointent sur celle-ci [j]" accesskey="j"><span>Pages liées</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Suivi_des_liens/Bus_de_donn%C3%A9es" rel="nofollow" title="Liste des modifications récentes des pages appelées par celle-ci [k]" accesskey="k"><span>Suivi des pages liées</span></a></li><li id="t-upload" class="mw-list-item"><a href="//fr.wikipedia.org/wiki/Aide:Importer_un_fichier" title="Téléverser des fichiers [u]" accesskey="u"><span>Téléverser un fichier</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Bus_de_donn%C3%A9es&oldid=213930016" title="Adresse permanente de cette version de cette page"><span>Lien permanent</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Bus_de_donn%C3%A9es&action=info" title="Davantage d’informations sur cette page"><span>Informations sur la page</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Citer&page=Bus_de_donn%C3%A9es&id=213930016&wpFormIdentifier=titleform" title="Informations sur la manière de citer cette page"><span>Citer cette page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:UrlShortener&url=https%3A%2F%2Ffr.wikipedia.org%2Fwiki%2FBus_de_donn%25C3%25A9es"><span>Obtenir l'URL raccourcie</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:QrCode&url=https%3A%2F%2Ffr.wikipedia.org%2Fwiki%2FBus_de_donn%25C3%25A9es"><span>Télécharger le code QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Imprimer / exporter </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Livre&bookcmd=book_creator&referer=Bus+de+donn%C3%A9es"><span>Créer un livre</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:DownloadAsPdf&page=Bus_de_donn%C3%A9es&action=show-download-screen"><span>Télécharger comme PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Bus_de_donn%C3%A9es&printable=yes" title="Version imprimable de cette page [p]" accesskey="p"><span>Version imprimable</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Dans d’autres projets </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q2928673" title="Lien vers l’élément dans le dépôt de données connecté [g]" accesskey="g"><span>Élément Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Outils de la page"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Apparence"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Apparence</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">masquer</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Un article de Wikipédia, l'encyclopédie libre.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="fr" dir="ltr"><p>Un <b>bus de données</b> est un ensemble de conducteurs électriques, partie d'un <a href="/wiki/Bus_informatique" title="Bus informatique">bus informatique</a> destinée au transfert en parallèle des <a href="/wiki/Donn%C3%A9e_(informatique)" title="Donnée (informatique)">données</a> y compris les <a href="/wiki/Instruction-machine" class="mw-redirect" title="Instruction-machine">instructions de programme</a> entre plus de deux composants au sein d'un système informatique, notamment les <a href="/wiki/Ordinateur" title="Ordinateur">ordinateurs</a><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite_crochet">[</span>2<span class="cite_crochet">]</span></a></sup>. </p><p>Le bus de données permet à différents blocs logiques d'échanger des <a href="/wiki/Information" title="Information">informations</a>. Typiquement, dans un ordinateur, il relie le <a href="/wiki/Processeur" title="Processeur">processeur</a>, la <a href="/wiki/M%C3%A9moire_(informatique)" title="Mémoire (informatique)">mémoire centrale</a> et les contrôleurs de <a href="/wiki/P%C3%A9riph%C3%A9rique_informatique" title="Périphérique informatique">périphériques</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Structure">Structure</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bus_de_donn%C3%A9es&veaction=edit&section=1" title="Modifier la section : Structure" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bus_de_donn%C3%A9es&action=edit&section=1" title="Modifier le code source de la section : Structure"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fichier:Syst%C3%A8meMicroproc.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Syst%C3%A8meMicroproc.png/220px-Syst%C3%A8meMicroproc.png" decoding="async" width="220" height="83" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Syst%C3%A8meMicroproc.png/330px-Syst%C3%A8meMicroproc.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Syst%C3%A8meMicroproc.png/440px-Syst%C3%A8meMicroproc.png 2x" data-file-width="546" data-file-height="205" /></a><figcaption>Structure d'un système à microprocesseur.</figcaption></figure> <p>Les bus de données se rencontrent sur une <a href="/wiki/Carte_m%C3%A8re" title="Carte mère">carte mère</a> et sur certaines <a href="/wiki/Carte_graphique" title="Carte graphique">cartes graphiques</a>. Ils comportent plusieurs canaux, le plus souvent en parallèle. </p><p>Comme son nom l'indique, le bus <span class="citation">« de données »</span> transfère des informations, que celles-ci soient des <a href="/wiki/Instruction-machine" class="mw-redirect" title="Instruction-machine">instructions de programme</a> ou des valeurs, numériques ou non, à traiter par le programme ou le périphérique qui lui est lié<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite_crochet">[</span>3<span class="cite_crochet">]</span></a></sup>. D'autres parties du système doivent spécifier les composants concernés, et en général le sens de transfert, car le bus de données est généralement bidirectionnel. Un <a href="/wiki/Bus_informatique" title="Bus informatique">bus informatique</a> se décompose en trois bus fonctionnels<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite_crochet">[</span>a<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite_crochet">[</span>4<span class="cite_crochet">]</span></a></sup> : </p> <ul><li>Le bus de données : permet, comme son nom l'indique, la circulation des données, y compris les instructions d'un programme entre un processeur et la mémoire. Différentes architectures de systèmes numériques peuvent être basées sur des bus de taille très différente, de 1 à 4 096 <abbr class="abbr" title="bits"><a href="/wiki/Bit" title="Bit">bits</a></abbr><sup id="cite_ref-hf_6-0" class="reference"><a href="#cite_note-hf-6"><span class="cite_crochet">[</span>5<span class="cite_crochet">]</span></a></sup>, celle-ci représentant la taille des mots transférés en un cycle, et donc le nombre de liaisons parallèles composant le bus de données.<br />Si le système comporte un processeur, on fait souvent correspondre la taille des mots du bus avec celle du processeur pour des raisons de simplicité. Mais ce n'est pas toujours le cas, car cela dépend, entre autres, des contraintes du système et de son utilisation. Par exemple le bus de 4 096 bits, cité plus haut, est celui d'une <a href="/wiki/Carte_graphique" title="Carte graphique">carte graphique</a> qui traite simultanément 128 <abbr class="abbr" title="pixels"><a href="/wiki/Pixel" title="Pixel">pixels</a></abbr> de 32 <abbr class="abbr" title="bits"><a href="/wiki/Bit" title="Bit">bits</a></abbr><sup id="cite_ref-hf_6-1" class="reference"><a href="#cite_note-hf-6"><span class="cite_crochet">[</span>5<span class="cite_crochet">]</span></a></sup> et qui peut être vu comme la mise en parallèle de « <i>128 bus de données</i> » de 32 bits de large.</li></ul> <ul><li>Le bus d'adresses : permet de désigner à chaque instant la case mémoire et/ou le périphérique auquel le contrôleur veut faire appel<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite_crochet">[</span>6<span class="cite_crochet">]</span></a></sup>.</li></ul> <ul><li>Le bus de contrôle : permet d'effectuer des requêtes sur le bus et de contrôler le type de l'opération<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite_crochet">[</span>b<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite_crochet">[</span>7<span class="cite_crochet">]</span></a></sup>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Notes_et_références"><span id="Notes_et_r.C3.A9f.C3.A9rences"></span>Notes et références</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bus_de_donn%C3%A9es&veaction=edit&section=2" title="Modifier la section : Notes et références" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bus_de_donn%C3%A9es&action=edit&section=2" title="Modifier le code source de la section : Notes et références"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Notes">Notes</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bus_de_donn%C3%A9es&veaction=edit&section=3" title="Modifier la section : Notes" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bus_de_donn%C3%A9es&action=edit&section=3" title="Modifier le code source de la section : Notes"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small lower-alpha" style=""><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a> </span><span class="reference-text">Un mème bus peut être utilisé pour ne transporter qu'un seul type de données (comme sur une <a href="/wiki/Carte_m%C3%A8re" title="Carte mère">carte mère</a>) soit tous les types, les uns après les autres, (comme dans l'<a href="/wiki/USB" title="USB">USB</a>, par exemple).</span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><a href="#cite_ref-8">↑</a> </span><span class="reference-text">Le « <i>bus de contrôle</i> » sert à spécifier le sens de transfert de la donnée qui circule (ou qui va circuler) sur le bus.</span> </li> </ol></div> </div> <div class="mw-heading mw-heading3"><h3 id="Références"><span id="R.C3.A9f.C3.A9rences"></span>Références</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bus_de_donn%C3%A9es&veaction=edit&section=4" title="Modifier la section : Références" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bus_de_donn%C3%A9es&action=edit&section=4" title="Modifier le code source de la section : Références"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small decimal" style=""><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a> </span><span class="reference-text"><span class="ouvrage" id="Fleutry1991"><span class="ouvrage" id="Michel_Fleutry1991">Michel <span class="nom_auteur">Fleutry</span>, <cite class="italique">Dictionnaire encyclopédique d'électronique : anglais-français</cite>, Paris, La maison du dictionnaire, <time>1991</time>, 1054 <abbr class="abbr" title="pages">p.</abbr> <small style="line-height:1em;">(<a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <a href="/wiki/Sp%C3%A9cial:Ouvrages_de_r%C3%A9f%C3%A9rence/2-85608-043-X" title="Spécial:Ouvrages de référence/2-85608-043-X"><span class="nowrap">2-85608-043-X</span></a>)</small>, <abbr class="abbr" title="page(s)">p.</abbr> 93 « bus a1 », 178 « data bus »<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Dictionnaire+encyclop%C3%A9dique+d%27%C3%A9lectronique&rft.place=Paris&rft.pub=La+maison+du+dictionnaire&rft.stitle=anglais-fran%C3%A7ais&rft.aulast=Fleutry&rft.aufirst=Michel&rft.date=1991&rft.pages=93+%C2%AB+bus+a1+%C2%BB%2C+178+%C2%AB+data+bus+%C2%BB&rft.tpages=1054&rft.isbn=2-85608-043-X&rfr_id=info%3Asid%2Ffr.wikipedia.org%3ABus+de+donn%C3%A9es"></span></span></span>.</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a> </span><span class="reference-text"><span class="ouvrage">« <a rel="nofollow" class="external text" href="http://rlitwak.plil.fr/Cours_MuP/rlit41.html"><cite style="font-style:normal;">Cours d'initiation aux microprocesseurs et aux micro-ordinateurs</cite></a> », sur <span class="italique">plil.fr</span> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2016-01-19" data-sort-value="2016-01-19">19 janvier 2016</time>)</small></span>.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a> </span><span class="reference-text"><span class="ouvrage" id="ZanellaLigierLazard2013"><span class="ouvrage" id="Paolo_ZanellaYves_LigierEmmanuel_Lazard2013">Paolo <span class="nom_auteur">Zanella</span>, Yves <span class="nom_auteur">Ligier</span> et Emmanuel <span class="nom_auteur">Lazard</span>, <cite class="italique">Architecture et technologie des ordinateurs : Cours et exercices corrigés</cite>, Paris, 5, <abbr class="abbr" title="collection">coll.</abbr> « Sciences Sup », <time>2013</time>, 576 <abbr class="abbr" title="pages">p.</abbr> <small style="line-height:1em;">(<a href="/wiki/EAN_13" title="EAN 13">EAN</a> <a href="/wiki/Sp%C3%A9cial:Ouvrages_de_r%C3%A9f%C3%A9rence/9782100598182" title="Spécial:Ouvrages de référence/9782100598182"><span class="nowrap">9782100598182</span></a>)</small>, <abbr class="abbr" title="page">p.</abbr> 42<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Architecture+et+technologie+des+ordinateurs&rft.place=Paris&rft.pub=5&rft.stitle=Cours+et+exercices+corrig%C3%A9s&rft.aulast=Zanella&rft.aufirst=Paolo&rft.au=Ligier%2C+Yves&rft.au=Lazard%2C+Emmanuel&rft.date=2013&rft.pages=42&rft.tpages=576&rfr_id=info%3Asid%2Ffr.wikipedia.org%3ABus+de+donn%C3%A9es"></span></span></span>.</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a> </span><span class="reference-text"><a rel="nofollow" class="external text" href="http://www.courstechinfo.be/Techno/ArchMat.html">Architecture matérielle : Schéma bloc d'un ordinateur</a>, sur le site courstechinfo.be, consulté le <time class="nowrap" datetime="2015-12-01" data-sort-value="2015-12-01"><abbr class="abbr" title="premier">1<sup>er</sup></abbr> décembre 2015</time></span> </li> <li id="cite_note-hf-6"><span class="mw-cite-backlink noprint">↑ <sup><a href="#cite_ref-hf_6-0">a</a> et <a href="#cite_ref-hf_6-1">b</a></sup> </span><span class="reference-text"><a rel="nofollow" class="external text" href="http://www.hardware.fr/tag_flux/286-1077/sk-hynix-hbm.html">Voir : La HBM2 Hynix dispo ce troisième trimestre.</a>, sur le site hardware.fr du 16 juin 2015, consulté le 22 août 2016.</span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><a href="#cite_ref-7">↑</a> </span><span class="reference-text"><a href="#Fleutry1991">Fleutry 1991</a>, <abbr class="abbr" title="page(s)">p.</abbr> 15</span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><a href="#cite_ref-9">↑</a> </span><span class="reference-text"><a href="#Fleutry1991">Fleutry 1991</a>, <abbr class="abbr" title="page(s)">p.</abbr> 155</span> </li> </ol></div> </div> <div class="mw-heading mw-heading2"><h2 id="Voir_aussi">Voir aussi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a 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cdx-button--weight-quiet mw-interlanguage-selector" id="p-lang-btn-sticky-header" tabindex="-1" data-event-name="ui.dropdown-p-lang-btn-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-language mw-ui-icon-wikimedia-wikimedia-language"></span> <span>6 langues</span> </button> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive" id="ca-addsection-sticky-header" tabindex="-1" data-event-name="addsection-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbleAdd-progressive mw-ui-icon-wikimedia-speechBubbleAdd-progressive"></span> <span>Ajouter un sujet</span> </a> </div> <div class="vector-sticky-header-icon-end"> <div class="vector-user-links"> </div> </div> </div> </div> </div> <div class="mw-portlet mw-portlet-dock-bottom emptyPortlet" id="p-dock-bottom"> <ul> </ul> </div> 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