ISO_11898-4-2004.pdf.zip_CAN_automotive_工程标准规范下载-pudn.com

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/62522ce274bc5c0105bbcb4d/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62522ce274bc5c0105bbcb4d/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x2 h3 y2 ff1 fs1 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3 h4 y3 ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x4 h4 y4 ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x5 h4 y5 ff1 fs2 fc0 sc0 ls1 ws1">Ref<span class="_ _0"></span>ere<span class="_ _0"></span>nce<span class="_ _0"></span> numbe</div><div class="c x5 y6 w2 h5"><div class="t m0 x2 h4 y7 ff1 fs2 fc0 sc0 ls0 ws0">r</div></div><div class="t m0 x6 h4 y8 ff1 fs2 fc0 sc0 ls2 ws2">ISO 11898-4:20<span class="_ _1"></span>04(E)</div><div class="t m0 x7 h6 y9 ff1 fs3 fc0 sc0 ls0 ws0">©</div><div class="t m0 x8 h4 ya ff1 fs2 fc0 sc0 ls3 ws3"> ISO 2004</div><div class="t m0 x2 h2 yb ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0"> </span></div><div class="t m0 x2 h2 yc ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x2 h2 yd ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h7 ye ff1 fs4 fc0 sc0 ls4 ws0">INTERNATIONAL </div><div class="t m0 x1 h7 yf ff1 fs4 fc0 sc0 ls5 ws0">STANDARD</div><div class="t m0 x9 h2 y10 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 xa h8 ye ff2 fs5 fc0 sc0 ls6 ws0">ISO</div><div class="t m0 xb h8 y11 ff2 fs5 fc0 sc0 ls7 ws0">11898-4</div><div class="t m0 x7 h4 y12 ff1 fs2 fc0 sc0 ls8 ws4">First edition</div><div class="t m0 x7 h4 y13 ff1 fs2 fc0 sc0 ls9 ws0">2004-08-01</div><div class="t m0 x1 h9 y14 ff2 fs6 fc0 sc0 lsa ws5">Road vehicl<span class="_ _0"></span>es — Control<span class="_ _0"></span>ler area netw<span class="_ _2"></span>ork </div><div class="t m0 x1 h9 y15 ff2 fs6 fc0 sc0 lsb ws6">(C<span class="_ _0"></span>A<span class="_ _1"></span>N) — </div><div class="t m0 x1 ha y16 ff1 fs6 fc0 sc0 lsc ws7">Part 4: </div><div class="t m0 x1 h9 y17 ff2 fs6 fc0 sc0 lsd ws8">Time-triggere<span class="_ _0"></span>d commu<span class="_ _0"></span>nication </div><div class="t m0 x1 hb y18 ff3 fs0 fc0 sc0 lse ws9">Véhicul<span class="_ _0"></span>es rout<span class="_ _0"></span>iers — Ges<span class="_ _0"></span>tionna<span class="_ _0"></span>ire de r<span class="_ _0"></span>éseau d<span class="_ _0"></span>e com<span class="_ _0"></span>munic<span class="_ _0"></span>ation </div><div class="t m0 x1 hb y19 ff3 fs0 fc0 sc0 lsf wsa">(CAN) — </div><div class="t m0 x1 hb y1a ff3 fs0 fc0 sc0 ls10 wsb">Partie 4:<span class="_ _0"></span> Déclenc<span class="_ _0"></span>hement<span class="_ _0"></span> tempore<span class="_ _0"></span>l des c<span class="_ _0"></span>ommunica<span class="_ _0"></span>tion<span class="_ _0"></span>s </div><div class="t m0 x1 h2 y1b ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="c xc y1c w3 hc"><div class="t m0 xd hd y1d ff4 fs7 fc0 sc0 ls0 ws0">Copyright International Organization for Standardization </div></div><div class="c xc y1d w3 hc"><div class="t m0 xd hd y1d ff5 fs7 fc0 sc0 ls0 ws0">Reproduced by IHS under license with ISO </div></div><div class="c xe y1e w4 hc"><div class="t m0 xd hd y1d ff6 fs7 fc0 sc0 ls0 ws0">Not for Resale</div></div><div class="c xc y1e w3 hc"><div class="t m0 xd hd y1d ff7 fs7 fc0 sc0 ls0 ws0">No reproduction or networking permitted without license from IHS</div></div><div class="c xf y1f w5 he"><div class="t m1 x10 hf y20 ff8 fs8 fc0 sc0 ls0 ws0">--``````-`-`,,`,,`,`,,`---</div></div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div> </body> </html>

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<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62522ce274bc5c0105bbcb4d/bg3.jpg"><div class="t m0 x18 h10 y21 ff2 fs9 fc0 sc0 ls11 wsc">ISO 11898-4:2004(E) </div><div class="t m0 x2 h2 y39 ff1 fs3 fc0 sc0 ls21 ws20">© ISO 2004 – All rights reserved<span class="ff2 ls0 ws0"> <span class="_ _3"> </span><span class="fs0"> <span class="_ _4"> </span><span class="ff1 ls20">iii</span></span></span></div><div class="t m0 x19 h2 y3d ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x2 h12 y3e ff2 fsa fc0 sc0 ls22 ws0">Contents <span class="_ _5"> </span><span class="ff1 fs0 ls23">Page</span><span class="ls0"> </span></div><div class="t m0 x2 h13 y3f ff2 fs0 fc0 sc0 ls24 ws0">Foreword<span class="_ _6"> </span>............................................................................................................................................................<span class="_ _6"> </span>iv<span class="ffb fsb ls0"> </span></div><div class="t m0 x2 h13 y40 ff2 fs0 fc0 sc0 ls25 ws0">Introduction<span class="_ _7"> </span>...................................................................................................................<span class="_ _1"></span><span class="ls24">.....................................<span class="_ _8"> </span>v<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y41 ff2 fs0 fc0 sc0 ls24 ws21">1 Scope........................................................................................................................<span class="ws0">..............................<span class="_ _8"> </span>1<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y42 ff2 fs0 fc0 sc0 ls26 ws22">2 Normative <span class="_ _9"></span>referen<span class="_ _0"></span>ces<span class="_ _a"> </span>.........................................................................................................<span class="ls24 ws0">..................<span class="_ _8"> </span>1<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y43 ff2 fs0 fc0 sc0 ls25 ws23">3 <span class="_ _b"> </span>Terms and definitions<span class="_ _c"></span>........................................................................................................<span class="_ _1"></span><span class="ls24 ws0">...................<span class="_ _8"> </span>1<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y44 ff2 fs0 fc0 sc0 ls27 ws24">4 Abbreviated <span class="_ _9"></span>terms<span class="_ _2"></span>............................................................................................................<span class="ws0">.....................<span class="_ _8"> </span>6<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y45 ff2 fs0 fc0 sc0 ls28 ws25">5 <span class="_ _b"> </span>Basic concepts of time-tri<span class="_ _0"></span>ggered C<span class="_ _0"></span>AN<span class="_ _8"> </span>.........................................................................................<span class="ls24 ws0">......<span class="_ _8"> </span>6<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y46 ff2 fs0 fc0 sc0 ls25 ws26">5.1 General<span class="_ _0"></span> <span class="_ _d"></span>conventions<span class="_ _0"></span>........................................................................................................<span class="_ _1"></span><span class="ls24 ws0">.....................<span class="_ _8"> </span>6<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y47 ff2 fs0 fc0 sc0 ls29 ws27">5.2 <span class="_ _e"> </span>General princip<span class="_ _0"></span>le of protocol<span class="_ _6"> </span>..............................................................................................<span class="_ _1"></span><span class="ls24 ws0">.................<span class="_ _8"> </span>8<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y48 ff2 fs0 fc0 sc0 ls24 ws28">5.3 Referen<span class="_ _0"></span>ce <span class="_ _d"></span>mess<span class="_ _0"></span>age<span class="_ _7"> </span>..........................................................................................................<span class="ls26 ws0">..................<span class="_ _8"> </span>10<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y49 ff2 fs0 fc0 sc0 ls2a ws29">6 <span class="_ _b"> </span>Timing and synchronis<span class="_ _0"></span>ation features<span class="_ _6"> </span>..........................................................................................<span class="ls2b ws0">.....<span class="_ _8"> </span>12<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y4a ff2 fs0 fc0 sc0 ls27 ws2a">6.1 <span class="_ _e"> </span>Levels 1 and 2<span class="_ _2"></span>.............................................................................................................<span class="ls26 ws0">.........................<span class="_ _8"> </span>12<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y4b ff2 fs0 fc0 sc0 ls25 ws23">6.2 <span class="_ _e"> </span>Generation of local time<span class="_ _8"> </span>...................................................................................................<span class="ls26 ws0">..................<span class="_ _8"> </span>12<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y4c ff2 fs0 fc0 sc0 ls24 ws28">6.3 Cycle_T<span class="_ _0"></span>ime <span class="_ _d"></span>param<span class="_ _0"></span>eter<span class="_ _c"></span>.......................................................................................................<span class="_ _1"></span><span class="ls26 ws0">.................<span class="_ _8"> </span>14<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y4d ff2 fs0 fc0 sc0 ls29 ws27">6.4 <span class="_ _e"> </span>Synchronisation in Lev<span class="_ _0"></span>el 2.................................................................................................<span class="ls26 ws0">................<span class="_ _8"> </span>14<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y4e ff2 fs0 fc0 sc0 ls28 ws25">6.5 <span class="_ _e"> </span>Global time in Lev<span class="_ _0"></span>el 2 (local time<span class="_ _0"></span> + local offset)<span class="_ _c"></span>.........................................................................<span class="ls2b ws0">.....<span class="_ _8"> </span>14<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y4f ff2 fs0 fc0 sc0 ls27 ws2b">6.6 Extern<span class="_ _0"></span>al <span class="_ _d"></span>clock <span class="_ _d"></span>s<span class="_ _0"></span>ynchronisation<span class="_ _c"> </span>.............................................................................................<span class="ls2c ws0">............<span class="_ _8"> </span>15<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y50 ff2 fs0 fc0 sc0 ls29 ws2c">7 Sending <span class="_ _9"></span>and <span class="_ _9"></span>receiving<span class="_ _c"></span>........................................................................................................<span class="_ _1"></span><span class="ls26 ws0">................<span class="_ _8"> </span>15<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y51 ff2 fs0 fc0 sc0 ls24 ws28">7.1 General<span class="_ _6"> </span>....................................................................................................................<span class="ls26 ws0">.............................<span class="_ _8"> </span>15<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y52 ff2 fs0 fc0 sc0 ls29 ws27">7.2 <span class="_ _e"> </span>Transmission of me<span class="_ _0"></span>ssages<span class="_ _6"> </span>...................................................................................................<span class="_ _1"></span><span class="ls2c ws0">.............<span class="_ _8"> </span>15<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y53 ff2 fs0 fc0 sc0 ls29 ws27">7.3 <span class="_ _e"> </span>Reception of messag<span class="_ _0"></span>es<span class="_ _6"> </span>......................................................................................................<span class="_ _1"></span><span class="ls26 ws0">................<span class="_ _8"> </span>17<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y54 ff2 fs0 fc0 sc0 ls29 ws27">7.4 <span class="_ _e"> </span>Transmission of referen<span class="_ _0"></span>ce mes<span class="_ _0"></span>sages<span class="_ _0"></span>.........................................................................................<span class="ls2b ws0">......<span class="_ _8"> </span>17<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y55 ff2 fs0 fc0 sc0 ls0 ws2d">8 <span class="_ _b"> </span>Initialisation and fault toleranc<span class="_ _0"></span>e of time master<span class="_ _0"></span>s<span class="_ _7"> </span>...........................................................................<span class="_ _1"></span><span class="ls2d ws0">.1<span class="_ _f"></span>8<span class="_ _f"></span><span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y56 ff2 fs0 fc0 sc0 ls24 ws28">8.1 General<span class="_ _6"> </span>....................................................................................................................<span class="ls26 ws0">.............................<span class="_ _8"> </span>18<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y57 ff2 fs0 fc0 sc0 ls25 ws26">8.2 Initialisation <span class="_ _d"></span>procedu<span class="_ _0"></span>re<span class="_ _0"></span>...................................................................................................<span class="_ _1"></span><span class="ls26 ws0">....................<span class="_ _8"> </span>19<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y58 ff2 fs0 fc0 sc0 ls25 ws23">8.3 <span class="_ _e"> </span>Failure of current time ma<span class="_ _0"></span>ster<span class="_ _7"> </span>.............................................................................................<span class="ls2c ws0">..............<span class="_ _8"> </span>20<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y59 ff2 fs0 fc0 sc0 ls29 ws2e">8.4 Shutdow<span class="_ _0"></span>n<span class="_ _c"></span>...................................................................................................................<span class="ls26 ws0">..........................<span class="_ _8"> </span>20<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y5a ff2 fs0 fc0 sc0 ls27 ws24">9 Failure <span class="_ _9"></span>handling<span class="_ _a"> </span>.............................................................................................................<span class="ls26 ws0">.....................<span class="_ _8"> </span>21<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y5b ff2 fs0 fc0 sc0 ls24 ws28">9.1 General<span class="_ _6"> </span>....................................................................................................................<span class="ls26 ws0">.............................<span class="_ _8"> </span>21<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y5c ff2 fs0 fc0 sc0 ls29 ws27">9.2 <span class="_ _e"> </span>Message status count<span class="_ _2"></span>.......................................................................................................<span class="ls26 ws0">..................<span class="_ _8"> </span>22<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y5d ff2 fs0 fc0 sc0 ls25 ws26">9.3 Interrupt_Status_<span class="_ _0"></span>Vector<span class="_ _8"> </span>....................................................................................................<span class="ls26 ws0">.................<span class="_ _8"> </span>22<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y5e ff2 fs0 fc0 sc0 ls24 ws28">9.4 M<span class="_ _0"></span>aster <span class="_ _d"></span>state<span class="_ _7"> </span>...............................................................................................................<span class="ls26 ws0">..........................<span class="_ _8"> </span>23<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y5f ff2 fs0 fc0 sc0 ls24 ws2f">10 Visible <span class="_ _10"></span>interface<span class="_ _0"></span>s<span class="_ _0"></span>..........................................................................................................<span class="ls26 ws0">.......................<span class="_ _8"> </span>25<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y60 ff2 fs0 fc0 sc0 ls25 ws30">10.1 Configuration <span class="_ _11"></span>interfaces<span class="_ _0"></span>..................................................................................................<span class="ls26 ws0">...................<span class="_ _8"> </span>25<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y61 ff2 fs0 fc0 sc0 ls29 ws31">10.2 Application <span class="_ _11"></span>interface<span class="_ _0"></span>s....................................................................................................<span class="ls26 ws0">.....................<span class="_ _8"> </span>28<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y62 ff2 fs0 fc0 sc0 ls27 ws32">10.3 Optional <span class="_ _11"></span>interfaces<span class="_ _2"></span>.......................................................................................................<span class="ls26 ws0">.......................<span class="_ _8"> </span>30<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h13 y63 ff2 fs0 fc0 sc0 ls27 ws0">Bibliography<span class="_ _7"> </span>...................................................................................................................<span class="ls26">..................................<span class="_ _8"> </span>32<span class="ffb fsb ls0"> </span></span></div><div class="t m0 x2 h2 y64 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="c xc y1c w3 hc"><div class="t m0 xd hd y1d ff4 fs7 fc0 sc0 ls0 ws0">Copyright International Organization for Standardization </div></div><div class="c xc y1d w3 hc"><div class="t m0 xd hd y1d ff5 fs7 fc0 sc0 ls0 ws0">Reproduced by IHS under license with ISO </div></div><div class="c xe y1e w4 hc"><div class="t m0 xd hd y1d ff6 fs7 fc0 sc0 ls0 ws0">Not for Resale</div></div><div class="c xc y1e w3 hc"><div class="t m0 xd hd y1d ff7 fs7 fc0 sc0 ls0 ws0">No reproduction or networking permitted without license from IHS</div></div><div class="c x1a y65 w5 he"><div class="t m2 x17 hf y3c ffa fs8 fc0 sc0 ls0 ws0">--``````-`-`,,`,,`,`,,`---</div></div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>

<div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62522ce274bc5c0105bbcb4d/bg4.jpg"><div class="t m0 x11 h10 y21 ff2 fs9 fc0 sc0 ls11 wsc">ISO 11898-4:2004(E) </div><div class="t m0 x11 h2 y39 ff1 fs0 fc0 sc0 ls2e ws0">iv <span class="_ _12"> </span><span class="ff2 fs3 ls0"> <span class="_ _3"> </span><span class="ff1 ls21 ws20">© ISO 2004 – All rights reserved</span></span></div><div class="t m0 x11 h2 y66 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0"> </span></div><div class="t m0 x11 h12 y3e ff2 fsa fc0 sc0 ls2f ws0">Forew<span class="_ _0"></span>ord </div><div class="t m0 x11 h2 y67 ff1 fs0 fc0 sc0 ls30 ws33">ISO (the Int<span class="_ _0"></span>ernat<span class="_ _0"></span>ional Or<span class="_ _0"></span>ganizat<span class="_ _0"></span>ion for<span class="_ _0"></span> Standard<span class="_ _0"></span>izati<span class="_ _0"></span>on) is<span class="_ _0"></span> a worldwid<span class="_ _0"></span>e federati<span class="_ _0"></span>on of<span class="_ _0"></span> national s<span class="_ _0"></span>tandards<span class="_ _0"></span> bodie<span class="_ _0"></span>s </div><div class="t m0 x11 h2 y68 ff1 fs0 fc0 sc0 ls31 ws34">(ISO m<span class="_ _0"></span>em<span class="_ _0"></span>ber bodies<span class="_ _0"></span>). T<span class="_ _0"></span>he work<span class="_ _0"></span> of pr<span class="_ _0"></span>eparing<span class="_ _0"></span> Inter<span class="_ _0"></span>natio<span class="_ _0"></span>nal Stan<span class="_ _0"></span>dards<span class="_ _0"></span> is n<span class="_ _0"></span>orm<span class="_ _0"></span>ally c<span class="_ _0"></span>arried ou<span class="_ _0"></span>t thr<span class="_ _0"></span>ough I<span class="_ _0"></span>SO </div><div class="t m0 x11 h2 y69 ff1 fs0 fc0 sc0 ls31 ws35">technica<span class="_ _0"></span>l comm<span class="_ _0"></span>ittees<span class="_ _0"></span>. Each m<span class="_ _0"></span>em<span class="_ _0"></span>ber body interes<span class="_ _0"></span>ted in a s<span class="_ _0"></span>ubject f<span class="_ _0"></span>or which a t<span class="_ _0"></span>echnic<span class="_ _0"></span>al com<span class="_ _0"></span>m<span class="_ _0"></span>ittee has be<span class="_ _0"></span>en </div><div class="t m0 x11 h2 y6a ff1 fs0 fc0 sc0 ls32 ws36">establishe<span class="_ _0"></span>d has the r<span class="_ _0"></span>ight to<span class="_ _0"></span> be represent<span class="_ _0"></span>ed on tha<span class="_ _0"></span>t com<span class="_ _0"></span>mittee. Intern<span class="_ _0"></span>ation<span class="_ _0"></span>al orga<span class="_ _0"></span>nizations<span class="_ _0"></span>, gover<span class="_ _0"></span>nm<span class="_ _0"></span>ental and </div><div class="t m0 x11 h2 y6b ff1 fs0 fc0 sc0 ls33 ws37">non-gover<span class="_ _0"></span>nm<span class="_ _0"></span>ental, in li<span class="_ _0"></span>ais<span class="_ _0"></span>on with ISO, a<span class="_ _0"></span>lso tak<span class="_ _0"></span>e part in t<span class="_ _0"></span>he work<span class="_ _0"></span>. ISO coll<span class="_ _0"></span>aborat<span class="_ _0"></span>es closel<span class="_ _0"></span>y with t<span class="_ _0"></span>he </div><div class="t m0 x11 h2 y6c ff1 fs0 fc0 sc0 ls31 ws38">Internatio<span class="_ _0"></span>nal E<span class="_ _0"></span>lectrot<span class="_ _0"></span>echnic<span class="_ _0"></span>al Com<span class="_ _0"></span>m<span class="_ _0"></span>ission (IEC)<span class="_ _0"></span> on a<span class="_ _0"></span>ll m<span class="_ _0"></span>atters<span class="_ _0"></span> of elec<span class="_ _0"></span>trotechnica<span class="_ _0"></span>l s<span class="_ _0"></span>tandard<span class="_ _0"></span>ization. </div><div class="t m0 x11 h2 y6d ff1 fs0 fc0 sc0 ls34 ws39">Internatio<span class="_ _0"></span>nal S<span class="_ _0"></span>tandards<span class="_ _0"></span> are dr<span class="_ _0"></span>afted in ac<span class="_ _0"></span>corda<span class="_ _0"></span>nce <span class="_ _0"></span>with the ru<span class="_ _0"></span>les giv<span class="_ _0"></span>en in t<span class="_ _0"></span>he ISO/I<span class="_ _0"></span>EC Direc<span class="_ _0"></span>tives, <span class="_ _0"></span>Part 2. </div><div class="t m0 x11 h2 y6e ff1 fs0 fc0 sc0 ls33 ws3a">The m<span class="_ _0"></span>ain task of<span class="_ _0"></span> technic<span class="_ _0"></span>al comm<span class="_ _0"></span>ittees is to pr<span class="_ _0"></span>epare Inter<span class="_ _0"></span>natio<span class="_ _0"></span>nal Sta<span class="_ _0"></span>ndards<span class="_ _0"></span>. Draft Inter<span class="_ _0"></span>nation<span class="_ _0"></span>al Stan<span class="_ _0"></span>dards </div><div class="t m0 x11 h2 y6f ff1 fs0 fc0 sc0 lse ws3b">adopted b<span class="_ _0"></span>y the tech<span class="_ _0"></span>nical <span class="_ _0"></span>comm<span class="_ _0"></span>ittees ar<span class="_ _0"></span>e circulat<span class="_ _0"></span>ed to the m<span class="_ _0"></span>em<span class="_ _0"></span>ber bodies<span class="_ _0"></span> for vot<span class="_ _0"></span>ing. Publ<span class="_ _0"></span>ication as<span class="_ _0"></span> an </div><div class="t m0 x11 h2 y70 ff1 fs0 fc0 sc0 ls34 ws39">Internatio<span class="_ _0"></span>nal S<span class="_ _0"></span>tandard r<span class="_ _0"></span>equir<span class="_ _0"></span>es appr<span class="_ _0"></span>oval <span class="_ _0"></span>by at leas<span class="_ _0"></span>t 75 % of<span class="_ _0"></span> the m<span class="_ _0"></span>ember<span class="_ _0"></span> bodies c<span class="_ _0"></span>asting a v<span class="_ _0"></span>ote. </div><div class="t m0 x11 h2 y71 ff1 fs0 fc0 sc0 ls34 ws3c">Attention <span class="_ _0"></span>is dra<span class="_ _0"></span>wn to th<span class="_ _0"></span>e pos<span class="_ _0"></span>sibilit<span class="_ _0"></span>y that<span class="_ _0"></span> som<span class="_ _0"></span>e of the <span class="_ _0"></span>elem<span class="_ _0"></span>ents of this<span class="_ _0"></span> doc<span class="_ _0"></span>ument <span class="_ _0"></span>m<span class="_ _0"></span>ay be the subj<span class="_ _0"></span>ect <span class="_ _0"></span>of pate<span class="_ _0"></span>nt </div><div class="t m0 x11 h2 y72 ff1 fs0 fc0 sc0 lse ws9">rights. I<span class="_ _0"></span>SO sha<span class="_ _0"></span>ll not be <span class="_ _0"></span>held r<span class="_ _0"></span>esponsibl<span class="_ _0"></span>e for<span class="_ _0"></span> identif<span class="_ _0"></span>ying an<span class="_ _0"></span>y or all s<span class="_ _0"></span>uch pat<span class="_ _0"></span>ent r<span class="_ _0"></span>ight<span class="_ _0"></span>s. </div><div class="t m0 x11 h2 y73 ff1 fs0 fc0 sc0 ls35 ws3d">ISO <span class="_ _13"></span>11898-<span class="_ _0"></span>4 was pre<span class="_ _0"></span>par<span class="_ _0"></span>ed by T<span class="_ _0"></span>echnical <span class="_ _0"></span>Comm<span class="_ _0"></span>ittee ISO<span class="_ _0"></span>/T<span class="_ _0"></span>C <span class="_ _13"></span>22, <span class="ff3 ls36 ws3e">Road vehic<span class="_ _0"></span>les</span><span class="ls34 ws3f">, Subcomm<span class="_ _0"></span>ittee SC <span class="_ _13"></span>3, </span></div><div class="t m0 x11 h2 y74 ff3 fs0 fc0 sc0 ls30 ws40">Electr<span class="_ _0"></span>ical and elec<span class="_ _0"></span>tronic eq<span class="_ _0"></span>uipment<span class="_ _0"></span><span class="ff1 ls24 ws0">. </span></div><div class="t m0 x11 h2 y75 ff1 fs0 fc0 sc0 ls33 ws41">ISO <span class="_ _14"></span>11898 c<span class="_ _0"></span>onsists<span class="_ _0"></span> of<span class="_ _0"></span> the <span class="_ _0"></span>follo<span class="_ _0"></span>wing parts<span class="_ _0"></span>, un<span class="_ _0"></span>der the<span class="_ _0"></span> gener<span class="_ _0"></span>al tit<span class="_ _0"></span>le <span class="ff3 ls35 ws42">Roa<span class="_ _0"></span>d ve<span class="_ _0"></span>hicles<span class="_ _0"></span> <span class="_ _14"></span>— Contro<span class="_ _0"></span>ller ar<span class="_ _0"></span>ea networ<span class="_ _0"></span>k </span></div><div class="t m0 x11 h2 y76 ff3 fs0 fc0 sc0 ls37 ws0">(CAN)<span class="ff1 ls24">: </span></div><div class="t m0 x11 hb y77 ff9 fs0 fc0 sc0 ls0 ws0"> <span class="_ _15"> </span><span class="ff3 ls30 ws43">Part 1: Dat<span class="_ _0"></span>a link<span class="_ _0"></span> layer<span class="_ _0"></span> and <span class="_ _0"></span>physical s<span class="_ _0"></span>igna<span class="_ _0"></span>lling </span></div><div class="t m0 x11 hb y78 ff9 fs0 fc0 sc0 ls0 ws0"> <span class="_ _15"> </span><span class="ff3 ls38 ws44">Part 2: Hi<span class="_ _0"></span>gh-spee<span class="_ _0"></span>d medium<span class="_ _0"></span> acces<span class="_ _0"></span>s unit </span></div><div class="t m0 x11 hb y79 ff9 fs0 fc0 sc0 ls0 ws0"> <span class="_ _15"> </span><span class="ff3 ls10 wsb">Part 3: Lo<span class="_ _0"></span>w-speed <span class="_ _0"></span>fault-to<span class="_ _0"></span>lerant, m<span class="_ _0"></span>edium <span class="_ _0"></span>depend<span class="_ _0"></span>ent int<span class="_ _0"></span>erface </span></div><div class="t m0 x11 hb y7a ff9 fs0 fc0 sc0 ls0 ws0"> <span class="_ _15"> </span><span class="ff3 ls35 ws45">Part 4: T<span class="_ _0"></span>ime-trig<span class="_ _0"></span>gered<span class="_ _0"></span> commun<span class="_ _0"></span>ication </span></div><div class="c xc y1c w3 hc"><div class="t m0 xd hd y1d ff4 fs7 fc0 sc0 ls0 ws0">Copyright International Organization for Standardization </div></div><div class="c xc y1d w3 hc"><div class="t m0 xd hd y1d ff5 fs7 fc0 sc0 ls0 ws0">Reproduced by IHS under license with ISO </div></div><div class="c xe y1e w4 hc"><div class="t m0 xd hd y1d ff6 fs7 fc0 sc0 ls0 ws0">Not for Resale</div></div><div class="c xc y1e w3 hc"><div class="t m0 xd hd y1d ff7 fs7 fc0 sc0 ls0 ws0">No reproduction or networking permitted without license from IHS</div></div><div class="c x1b y7b w5 he"><div class="t m1 x10 hf y20 ff8 fs8 fc0 sc0 ls0 ws0">--``````-`-`,,`,,`,`,,`---</div></div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>

<div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62522ce274bc5c0105bbcb4d/bg5.jpg"><div class="t m0 x18 h10 y21 ff2 fs9 fc0 sc0 ls11 wsc">ISO 11898-4:2004(E) </div><div class="t m0 x2 h2 y39 ff1 fs3 fc0 sc0 ls21 ws20">© ISO 2004 – All rights reserved<span class="ff2 ls0 ws0"> <span class="_ _3"> </span><span class="fs0"> <span class="_ _16"> </span><span class="ff1">v</span></span></span></div><div class="t m0 x19 h2 y3d ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x2 h12 y3e ff2 fsa fc0 sc0 ls39 ws0">Introduction </div><div class="t m0 x2 h2 y67 ff1 fs0 fc0 sc0 ls10 ws46">In the class<span class="_ _0"></span>ic CAN n<span class="_ _0"></span>etwork<span class="_ _0"></span>, com<span class="_ _0"></span>munic<span class="_ _0"></span>ation is e<span class="_ _0"></span>vent-tri<span class="_ _0"></span>ggered; pe<span class="_ _0"></span>ak<span class="_ _0"></span> loads can<span class="_ _0"></span> occur<span class="_ _0"></span> when the tr<span class="_ _0"></span>ansm<span class="_ _0"></span>ission of<span class="_ _0"></span> </div><div class="t m0 x2 h2 y68 ff1 fs0 fc0 sc0 ls33 ws47">severa<span class="_ _0"></span>l m<span class="_ _0"></span>essages is<span class="_ _0"></span> requested at t<span class="_ _0"></span>he sam<span class="_ _0"></span>e time. T<span class="_ _0"></span>he non-des<span class="_ _0"></span>tructive ar<span class="_ _0"></span>bitratio<span class="_ _0"></span>n m<span class="_ _0"></span>echanism<span class="_ _0"></span> of CAN </div><div class="t m0 x2 h2 y69 ff1 fs0 fc0 sc0 ls3a ws48">guarantees<span class="_ _0"></span> the se<span class="_ _0"></span>quenti<span class="_ _0"></span>al t<span class="_ _0"></span>ransm<span class="_ _0"></span>iss<span class="_ _0"></span>ion of al<span class="_ _0"></span>l me<span class="_ _0"></span>ssages ac<span class="_ _0"></span>cording <span class="_ _0"></span>to th<span class="_ _0"></span>eir id<span class="_ _0"></span>entif<span class="_ _0"></span>ier pr<span class="_ _0"></span>iorit<span class="_ _0"></span>y. For har<span class="_ _0"></span>d rea<span class="_ _0"></span>l-tim<span class="_ _0"></span>e </div><div class="t m0 x2 h2 y6a ff1 fs0 fc0 sc0 ls3b ws49">system<span class="_ _0"></span>s, a sc<span class="_ _0"></span>heduling anal<span class="_ _0"></span>ysis of<span class="_ _0"></span> the entir<span class="_ _0"></span>e system<span class="_ _0"></span> is done to ens<span class="_ _0"></span>ure t<span class="_ _0"></span>hat all tra<span class="_ _0"></span>nsm<span class="_ _0"></span>iss<span class="_ _0"></span>ion deadlines<span class="_ _0"></span> are m<span class="_ _0"></span>et </div><div class="t m0 x2 h2 y6b ff1 fs0 fc0 sc0 ls32 ws4a">even at<span class="_ _0"></span> peak<span class="_ _0"></span> bus loads. </div><div class="t m0 x2 h2 y7c ff1 fs0 fc0 sc0 ls3c ws4b">Som<span class="_ _0"></span>e real-tim<span class="_ _0"></span>e operat<span class="_ _0"></span>ing s<span class="_ _0"></span>ystem<span class="_ _0"></span>s (<span class="_ _0"></span>RTOS)<span class="_ _0"></span> are based <span class="_ _0"></span>on stat<span class="_ _0"></span>ic c<span class="_ _0"></span>yclic s<span class="_ _0"></span>chedulin<span class="_ _0"></span>g of<span class="_ _0"></span> all ta<span class="_ _0"></span>sk<span class="_ _0"></span>s in the appl<span class="_ _0"></span>icat<span class="_ _0"></span>ion </div><div class="t m0 x2 h2 y6d ff1 fs0 fc0 sc0 ls33 ws4c">system<span class="_ _0"></span> (c<span class="_ _0"></span>ontrol unit)<span class="_ _0"></span>. T<span class="_ _0"></span>hey bu<span class="_ _0"></span>ild a s<span class="_ _0"></span>ched<span class="_ _0"></span>ule of<span class="_ _0"></span> tim<span class="_ _0"></span>e slots <span class="_ _0"></span>and p<span class="_ _0"></span>lace eac<span class="_ _0"></span>h task<span class="_ _0"></span> i<span class="_ _0"></span>n at leas<span class="_ _0"></span>t on<span class="_ _0"></span>e slot.<span class="_ _0"></span> T<span class="_ _0"></span>asks<span class="_ _0"></span> of </div><div class="t m0 x2 h2 y7d ff1 fs0 fc0 sc0 lse ws4d">high pr<span class="_ _0"></span>iorit<span class="_ _0"></span>y appear <span class="_ _0"></span>in m<span class="_ _0"></span>ore tha<span class="_ _0"></span>n one s<span class="_ _0"></span>lot. A<span class="_ _0"></span>ll activ<span class="_ _0"></span>ity in o<span class="_ _0"></span>ne s<span class="_ _0"></span>lot, inc<span class="_ _0"></span>luding i<span class="_ _0"></span>nterrupt<span class="_ _0"></span> handl<span class="_ _0"></span>ing, m<span class="_ _0"></span>ust b<span class="_ _0"></span>e </div><div class="t m0 x2 h2 y7e ff1 fs0 fc0 sc0 ls32 ws4a">completed<span class="_ _0"></span> befor<span class="_ _0"></span>e the beg<span class="_ _0"></span>innin<span class="_ _0"></span>g of the <span class="_ _0"></span>next sl<span class="_ _0"></span>ot. </div><div class="t m0 x2 h2 y70 ff1 fs0 fc0 sc0 ls33 ws4e">If suc<span class="_ _0"></span>h an RTOS is c<span class="_ _0"></span>onside<span class="_ _0"></span>red for<span class="_ _0"></span> a distribut<span class="_ _0"></span>ed applic<span class="_ _0"></span>ation s<span class="_ _2"></span>y<span class="_ _1"></span>st<span class="_ _0"></span>em c<span class="_ _0"></span>onsisting of<span class="_ _0"></span> control <span class="_ _0"></span>units link<span class="_ _0"></span>ed b<span class="_ _0"></span>y a CAN </div><div class="t m0 x2 h2 y7f ff1 fs0 fc0 sc0 ls32 ws4f">network<span class="_ _0"></span>, system<span class="_ _0"></span> integratio<span class="_ _0"></span>n and c<span class="_ _0"></span>om<span class="_ _0"></span>posabilit<span class="_ _0"></span>y are ser<span class="_ _0"></span>ved when the c<span class="_ _0"></span>omm<span class="_ _0"></span>unicati<span class="_ _0"></span>on on the C<span class="_ _0"></span>AN net<span class="_ _0"></span>work als<span class="_ _0"></span>o </div><div class="t m0 x2 h2 y80 ff1 fs0 fc0 sc0 ls30 ws43">follo<span class="_ _0"></span>ws a s<span class="_ _0"></span>ynchronis<span class="_ _0"></span>ed sch<span class="_ _0"></span>edule. </div><div class="t m0 x2 h2 y81 ff1 fs0 fc0 sc0 lse ws50">The tim<span class="_ _0"></span>e-tr<span class="_ _0"></span>iggered com<span class="_ _0"></span>m<span class="_ _0"></span>unication opti<span class="_ _0"></span>on for<span class="_ _0"></span> CAN-ba<span class="_ _0"></span>sed net<span class="_ _0"></span>work<span class="_ _0"></span>s (see ISO <span class="_ _1"></span>11898-1)<span class="_ _0"></span> gives th<span class="_ _0"></span>e prere<span class="_ _0"></span>quis<span class="_ _0"></span>ites </div><div class="t m0 x2 h2 y82 ff1 fs0 fc0 sc0 ls35 ws45">for the s<span class="_ _0"></span>ynchronis<span class="_ _0"></span>atio<span class="_ _0"></span>n of al<span class="_ _0"></span>l nodes <span class="_ _0"></span>in the C<span class="_ _0"></span>AN net<span class="_ _0"></span>work. W<span class="_ _0"></span>hen the <span class="_ _0"></span>nodes ar<span class="_ _0"></span>e s<span class="_ _0"></span>ynchronis<span class="_ _0"></span>ed, a<span class="_ _0"></span>ny mes<span class="_ _0"></span>sage m<span class="_ _0"></span>ay </div><div class="t m0 x2 h2 y83 ff1 fs0 fc0 sc0 ls10 ws51">be trans<span class="_ _0"></span>mitted at <span class="_ _0"></span>a specif<span class="_ _0"></span>ic<span class="_ _0"></span> tim<span class="_ _0"></span>e slot, witho<span class="_ _0"></span>ut com<span class="_ _0"></span>peting wit<span class="_ _0"></span>h other m<span class="_ _0"></span>es<span class="_ _0"></span>sages for the <span class="_ _0"></span>bus. T<span class="_ _0"></span>hus th<span class="_ _0"></span>e loss<span class="_ _0"></span> of </div><div class="t m0 x2 h2 y84 ff1 fs0 fc0 sc0 ls33 ws52">arbitrat<span class="_ _0"></span>ion is a<span class="_ _0"></span>void<span class="_ _0"></span>ed; the la<span class="_ _0"></span>tenc<span class="_ _0"></span>y tim<span class="_ _0"></span>e becom<span class="_ _0"></span>es predic<span class="_ _0"></span>table. </div><div class="t m0 x2 h2 y85 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="c xc y1c w3 hc"><div class="t m0 xd hd y1d ff4 fs7 fc0 sc0 ls0 ws0">Copyright International Organization for Standardization </div></div><div class="c xc y1d w3 hc"><div class="t m0 xd hd y1d ff5 fs7 fc0 sc0 ls0 ws0">Reproduced by IHS under license with ISO </div></div><div class="c xe y1e w4 hc"><div class="t m0 xd hd y1d ff6 fs7 fc0 sc0 ls0 ws0">Not for Resale</div></div><div class="c xc y1e w3 hc"><div class="t m0 xd hd y1d ff7 fs7 fc0 sc0 ls0 ws0">No reproduction or networking permitted without license from IHS</div></div><div class="c x1c y86 w6 h14"><div class="t m0 x1d hf y87 ffc fs8 fc0 sc0 ls0 ws0">--``````-`-`,,`,,`,`,,`---</div></div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>