鎽樿锛�鐩墠鐝�(xi脿n)鍫寸附绶氭湁浠ヤ笅鍗佸咕绋�锛屽悇绺界窔涔嬮枔瑕�(gu墨)鑼冧笉涓€妯�锛岄兘鏈夎嚜宸辩殑閬╃敤鑼冨湇锛屽叾涓瑿AN 锛圕ontroller Area Network锛夌附绶氫互鍏堕珮鎬ц兘銆侀珮鍙潬鎬у強鏇寸崹(d煤)鐗圭殑瑷�(sh猫)瑷堣秺渚嗚秺鍙楀埌浜哄€戠殑閲嶈锛屽苟宸茶鍏獚(r猫n)鐐哄咕绋渶鏈夊墠閫旂殑鐝�(xi脿n)鍫寸附绶氫箣涓€銆傛湰鏂囩郸鍑轰簡鏅鸿兘鍎€琛ㄤ腑閫氱敤鐨凜AN閫氫俊鎺ュ彛鐨勭‖浠惰ō(sh猫)瑷堣垏杌熶欢瀵�(sh铆)鐝�(xi脿n)妗嗗湒銆�
闂�(gu膩n)閸佃锛�鍠墖姗�(j墨);鏅鸿兘鍎€琛�锛汣AN
1 鍓嶈█
鍦ㄨ▓绠楁(j墨)鏁�(sh霉)鎿�(j霉)鍌宠几闋�(l菒ng)鍩熷収(n猫i)锛岄暦鏈熶互渚嗕娇鐢≧S-232閫氫俊妯�(bi膩o)婧�(zh菙n)锛岀洝绠″畠鍊戣寤f硾鐨勪娇鐢�锛屼絾鍗绘槸涓€绋綆鏁�(sh霉)鎿�(j霉)閫熺巼鍜岄粸(di菐n)灏嶉粸(di菐n)鐨勬暩(sh霉)鎿�(j霉)鍌宠几妯�(bi膩o)婧�(zh菙n)锛岀劇鑳藉姏鏀寔鏇撮珮灞ゆ鐨勮▓绠楁(j墨)涔嬮枔鐨勫姛鑳芥搷浣�銆傚悓鏅�锛屽湪寰�(f霉)闆滄垨澶ц(gu墨)妯℃噳(y墨ng)鐢ㄤ腑锛堝宸ユキ(y猫)鐝�(xi脿n)鍫存帶鍒舵垨鐢熺敘(ch菐n)鑷嫊鍖栭牁(l菒ng)鍩燂級锛岄渶瑕佷娇鐢ㄥぇ閲忕殑鍌虫劅鍣ㄣ€佸煼(zh铆)琛屽櫒鍜屾帶鍒跺櫒绛�锛屽畠鍊戦€氬父鍒嗗竷鍦ㄩ潪甯稿唬鐨勮寖鍦嶅収(n猫i)锛屾墍浠�锛屽湪鏈€搴曞堡涓婄殑纰洪渶瑕佽ō(sh猫)瑷堝嚭涓€绋€犲児浣庡粔鑰屽張鑳界稉(j墨ng)鍙楀伐妤�(y猫)鐝�(xi脿n)鍫寸挵(hu谩n)澧冪殑閫氫俊绯荤当(t菕ng)锛岀従(xi脿n)鍫寸附绶氾紙Field Bus锛夊湪閫欑ó鑳屾櫙涓嬬敘(ch菐n)鐢熶簡銆�
鐝�(xi脿n)鍫寸附绶氭槸閫f帴鏅鸿兘鐝�(xi脿n)鍫磋ō(sh猫)鍌欏拰鑷嫊鍖栫郴绲�(t菕ng)鐨勬暩(sh霉)瀛楀紡銆侀洐鍚戝偝杓搞€佸鍒嗘敮绲�(ji茅)妲�(g貌u)鐨勯€氫俊缍�(w菐ng)绲�(lu貌)銆傚叾鎷�?f霉)娴(ji茅)妲�(g貌u)濡傚湒涓€?锛孎(xi脿n)鍫寸附绶氭妧琛�(sh霉)鑷�70骞翠唬瑾曠敓鑷充粖锛岀敱浜庡畠鍦ㄦ笡灏戠郴绲�(t菕ng)绶氱簻锛岀啊鍖栫郴绲�(t菕ng)瀹夎銆佺董璀�(h霉)鍜岀鐞嗭紝闄嶄綆绯荤当(t菕ng)鐨勬姇璩囧拰閬�(y霉n)琛屾垚鏈�锛屽寮�(qi谩ng)绯荤当(t菕ng)鎬ц兘绛夋柟闈㈢殑鍎�(y艒u)瓒婃€�锛屽紩璧蜂汉鍊戠殑寤f硾娉ㄦ剰锛屽緱鍒板ぇ鑼冨湇鐨勬帹銆�
CAN 鏄竴绋湁鏁堟敮鎸佸垎甯冨紡鎺у埗鎴�?q奴)宕焤鎺у埗鐨勪覆琛岄€氫俊缍�(w菐ng)绲�(lu貌)锛屾渶鍒濇槸鐢卞痉鍦婤OSCH鍏徃鐐烘苯杌婄洠(ji膩n)娓�銆佹帶鍒剁郴绲�(t菕ng)鑰岃ō(sh猫)瑷堢殑銆傜敱浜嶤AN绺界窔鏈韩鐨勭壒榛�(di菐n)锛屽叾鎳�(y墨ng)鐢ㄨ寖鍦嶇洰鍓嶅繁涓嶅啀灞€闄愪簬姹借粖琛屾キ(y猫)锛岃€屽悜閬庣▼宸ユキ(y猫)銆佹(j墨)姊板伐妤�(y猫)銆佺础绻旀(j墨)姊�銆佽静(n贸ng)鐢ㄦ(j墨)姊般€佹(j墨)鍣ㄤ汉銆佹暩(sh霉)鎺ф(j墨)搴娿€侀啱(y墨)鐧傚櫒姊�銆佸偝鎰熷櫒鍙婃櫤鑳藉剙琛ㄧ瓑闋�(l菒ng)鍩熺櫦(f膩)灞�銆�
鏅鸿兘鍎€琛ㄦ槸鑷嫊鍖栧(xu茅)绉戠殑閲嶈绲勬垚閮ㄥ垎銆傞毃钁楃瀛�(xu茅)鎶€琛�(sh霉)鐨勮繀閫熺櫦(f膩)灞�锛屽挨鍏舵槸寰浕瀛�銆佽▓绠楁(j墨)鍜岄€氫俊鎶€琛�(sh霉)鏃ユ柊鏈堢暟鐨勮畩鍖�锛屾櫤鑳藉剙琛ㄥ悜钁楁暩(sh霉)瀛楀寲銆佺恫(w菐ng)绲�(lu貌)鍖栧拰鏅鸿兘鍖栨柟鍚戠櫦(f膩)灞�锛屾櫤鑳藉剙琛ㄤ竴鏂归潰鍙互閫�(j矛n)琛屼汉姗�(j墨)灏嶈┍鍙婅垏澶栭儴鍎€鍣ㄨō(sh猫)鍌欏皪瑭憋紝閫氶亷鐝�(xi脿n)鍫寸附绶氭帴閫e叆鑷嫊娓│绯荤当(t菕ng)銆傚彟涓€鏂归潰锛屼娇鐢ㄨ€呭€熷姪闈㈡澘涓婄殑閸电洡鍜岄’绀哄睆锛屽彲鐢ㄥ皪瑭辨柟寮忛伕鎿囨脯閲忓姛鑳�銆佽ō(sh猫)缃弮鏁�(sh霉)銆傜暥(d膩ng)鐒讹紝閫氶亷绺界窔涓殑宸ユキ(y猫)瑷堢畻姗�(j墨)涔熷彲鐛插緱娓噺绡€(ji茅)榛�(di菐n)鐨勬暩(sh霉)鎿�(j霉)銆�
2 CAN鐨勬帴鍙hō(sh猫)瑷�
CAN绺界窔鏄竴绋覆琛屾暩(sh霉)鎿�(j霉)閫氫俊鍗�(xi茅)璀帮紝鍦–AN绺界窔閫氫俊鎺ュ彛涓泦鎴愪簡CAN鍗�(xi茅)璀扮殑鐗╃悊灞ゅ拰鏁�(sh霉)鎿�(j霉)閺堣矾灞ゅ姛鑳�锛屽彲浠ュ畬鎴愬皪閫氫俊鏁�(sh霉)鎿�(j霉)鎴愬箑铏曠悊銆侰AN绺界窔鎺ュ彛鐨勫叿楂旂殑闆昏矾瑷�(sh猫)瑷堝鍦�1鎵€绀�銆�

绛嗚€呯敤SJA1000浣滅偤娴侀噺瑷堢殑CAN鎺у埗鍣紝鑸嘋PU锛堝柈鐗囨(j墨)锛夌殑I/O鍙g洿鎺ョ浉閫�锛屽啀閫氶亷PCA82C250绲勬垚CAN绺界窔銆傞€欑ó绲�(ji茅)妲�(g貌u)寰堝鏄撳(sh铆)鐝�(xi脿n)CAN缍�(w菐ng)绲�(lu貌)绡€(ji茅)榛�(di菐n)涓殑淇℃伅鏀剁櫦(f膩)锛屽緸鑰屽(sh铆)鐝�(xi脿n)灏嶇従(xi脿n)鍫寸殑鎺у埗銆�
SJA1000 鐨凙D0锝濧D7閫f帴鍒癕SP420F149鐨凱0鍙�锛孖NT鎺ュ埌P1.0锛�/CS鎺ュ埌P1.1锛�/RD閫f帴鍒癙1.2锛�/WR閫e埌P1.3锛孉LE閫e埌 P1.4锛孲JA1000鐨凴X0鑸嘥X0鍒嗗垾閫氶亷鍏╁€嬮珮閫熷厜鑰NW137鑸嘝CA82C250鐩搁€e悗锛岄€e埌CAN绺界窔涓�銆�
PCA82C250鐐篊AN绺界窔鏀剁櫦(f膩)鍣�锛屾槸CAN鎺у埗鍣ㄨ垏CAN绺界窔鐨勬帴鍙e櫒浠�锛屽皪CAN绺界窔宸垎鏂瑰紡鐧�(f膩)閫侊紝鍏禦S寮曡叧鐢ㄤ簬閬告搰PCA82C250鐨勫伐浣滄柟寮忥細楂橀€熸柟寮�銆佹枩鐜囨柟寮�銆俁S鎺ュ湴鐐洪珮閫�锛孯S寮曡叧涓叉帴涓€鍊嬮浕闃诲悗鍐嶆帴鍦�锛岀敤浜庢帶鍒朵笂鍗囧拰涓嬮檷鏂滅巼锛屽緸鑰屾笡灏忓皠闋诲共鎿�銆俁S寮曡叧鎺ラ珮闆诲钩锛� PCA82C250铏曚簬绛夊緟鐙€鎱�(t脿i)銆傛鏅傦紝鐧�(f膩)閫佸櫒闂�(gu膩n)闁�锛屾帴鏀跺櫒铏曚簬浣庨浕娴佸伐浣滐紝鍙互灏岰AN绺界窔涓婄殑椤€т綅鍋氬嚭鍙嶆噳(y墨ng)锛岄€氱煡CPU銆傚(sh铆)椹�(y脿n)鏁�(sh霉)鎿�(j霉)琛ㄦ槑 15锝�200K鐐鸿純鐞嗘兂鐨勫彇鍊艰寖鍦�锛屽湪閫欑ó鎯呮硜涓�锛屽彲浠ヤ娇鐢ㄥ钩琛岀窔鎴栭洐绲炵窔浣滅附绶�锛屾湰鏂囦腑PCA82C250鐨勬枩鐜囬浕闃荤偤鍙�30K銆�
CNW137鐐洪珮閫熷厜鑰�锛屾渶楂橀€熷害鐐�10Mbps锛岀敤浜庝繚璀�(h霉)CAN绺芥帶鍒跺櫒SJA1000銆侰AN绺界窔鐨勭祩绔尮閰嶉浕闃昏捣鐩哥暥(d膩ng)閲嶈鐨勪綔鐢紝涓嶅悎閬╃殑闆婚樆鏈冧娇鏁�(sh霉)鎿�(j霉)閫氫俊鐨勬姉骞叉摼鎬у強鍙潬鎬уぇ澶ч檷浣�锛岀敋鑷崇劇娉曢€氫俊锛岃寖鍦嶇偤108锝�132惟锛屾湰鏂囦娇鐢ㄧ殑闆婚樆鐐�124惟銆�
2.1 SJA1000鐨勫姛鑳�
CAN閫氫俊鍗�(xi茅)璀颁富瑕佺敱CAN鎺у埗鍣ㄥ畬鎴�銆係JA1000鏄仼鐢ㄤ簬姹借粖鍜屼竴鑸伐妤�(y猫)鐠�(hu谩n)澧冩帶鍒跺櫒灞€鍩熺恫(w菐ng)锛圕AN锛夌殑楂橀泦鎴愬害鐛�(d煤)绔嬫帶鍒跺櫒锛屽叿鏈夊畬鎴愰珮鎬ц兘閫氫俊鍗�(xi茅)璀版墍瑕佹眰鐨勫叏閮ㄥ繀瑕佺壒鎬�锛屽叿鏈夌啊鍠附绶氶€f帴鐨凷JA1000鍙畬鎴愮墿鐞嗗堡鍜屾暩(sh霉)鎿�(j霉)閺堣矾灞ょ殑鎵€鏈夊姛鑳斤紝鎳�(y墨ng)鐢ㄥ堡鍔熻兘鍙敱寰帶鍒跺櫒瀹屾垚锛孲JA1000鐐哄叾鎻愪緵浜嗕竴鍊嬪鐢ㄩ€旂殑鎺ュ彛銆�
SJA1000鏄竴鍊嬬崹(d煤)绔嬬殑CAN鎺у埗鍣�锛屽畠鏄疨hilips鍏徃鍙︿竴鍊婥AN鎺у埗鍣≒CA82C200鐨勫悗绻肩敘(ch菐n)鍝侊紝鍦ㄨ粺浠跺拰寮曡叧涓婂潎鑸� PCA82C200鍏煎銆備絾瀹冧笉鍍呭儏鏄疨CA82C200鐨勪竴鍊嬬啊鍠浛浠g敘(ch菐n)鍝�锛屽畠澧炲姞浜嗚ū澶氭柊鐨勫姛鑳斤紝浣垮緱鍏舵€ц兘鏇翠匠锛屽挨鍏堕仼鐢ㄤ簬灏嶇郴绲�(t菕ng)鍎�(y艒u)鍖栥€佽ê鏂峰拰缍(h霉)瑕佹眰姣旇純楂樼殑鍫村悎銆�
SJA1000鐨勫姛鑳芥鍦栧鍦�2鎵€绀�锛岀敱浠ヤ笅骞鹃儴鍒嗘(g貌u)鎴愶細鎺ュ彛绠$悊閭忚集锛涚櫦(f膩)閫佺珐娌栧櫒锛岃兘澶犲瓨鍎�1鍊嬪畬鏁寸殑鍫辨枃锛堟摯(ku貌)灞曠殑鎴栨(bi膩o)婧�(zh菙n)鐨勶級锛涢(y脿n)鏀舵烤娉㈠櫒锛涙帴鏀禙IFO锛汣AN鏍稿績妯″銆�
2.2 82C250
SJA1000鐨勪竴绔垏鍠墖姗�(j墨)鐩搁€o紝鍙︿竴绔垏CAN绺界窔鐩搁€�銆備絾鏄�锛岀偤浜嗘彁楂樺柈鐗囨(j墨)灏岰AN绺界窔鐨勯﹨(q奴)鍕曡兘鍔�锛屽彲浠ユ妸82C250浣滅偤CAN鎺у埗鍣ㄥ拰鐗╃悊绺界窔闁撶殑鎺ュ彛锛屼互鎻愪緵灏嶇附绶氱殑宸嫊鐧�(f膩)閫佽兘鍔涘拰灏岰AN鎺у埗鍣ㄧ殑宸嫊鎺ユ敹鑳藉姏銆�82C250鐨勪富瑕佺壒鎬у涓嬶細
路鑸嘔SO/DIS11898妯�(bi膩o)婧�(zh菙n)鍏煎锛�
路楂橀€燂紙鏈€楂樺彲閬�(d谩)1 Mb/s 锛�锛�
路鍏锋湁鎶楁苯杌婄挵(hu谩n)澧冧笅鐨勭灛闁撳共鎿惧拰淇濊(h霉)绺界窔鑳藉姏锛�
路闄嶄綆灏勯牷骞叉摼鐨勬枩鐜囨帶鍒� 锛�
路鐔变繚璀�(h霉)锛�
路闃茶(h霉)闆绘睜鑸囧湴涔嬮枔鐧�(f膩)鐢熺煭璺� 锛�
路浣庨浕娴佸緟姗�(j墨)鏂瑰紡锛�
路鏌愬€嬬瘈(ji茅)榛�(di菐n)鎺夐浕涓嶆渻褰遍熆绺界窔 锛�
路鍙湁110鍊嬬瘈(ji茅)榛�(di菐n)鐩搁€f帴銆�

3 CAN閫氫俊绋嬪簭妗嗗湒
SJA1000鎿嶄綔鏈熼枔锛屽湪涓婇浕涔嬪墠蹇呴爤閰嶇疆鎺у埗绶氳矾锛堜腑鏂枫€佸京(f霉)浣�銆佺墖閬哥瓑锛夌敤浜庡缓绔嬭垏CAN鎺у埗鍣ㄤ箣闁撻€�(j矛n)琛岄€氫俊鐨勭‖浠堕€f帴銆傚垵濮嬪寲銆丆AN閫氫俊閲囩敤涓柗鏂瑰紡鏁�(sh霉)鎿�(j霉)鐧�(f膩)閫佸拰鎺ユ敹瀛愮▼搴�锛屽叾娴佺▼濡傚湒3銆佸湒4鍜屽湒5鎵€绀�銆�
[ALIGN=CENTER]

[/ALIGN]
濡傛灉鍦ㄤ笂闆诲悗鐛�(d煤)绔婥AN鎺у埗鍣ㄥ湪寮曡叧17寰楀埌1鍊嬪京(f霉)浣嶈剤娌栵紙浣庨浕骞筹級锛屽畠鑳藉閫�(j矛n)鍏ュ京(f霉)浣嶆ā寮忋€傚湪灏峉JA1000瀵勫瓨鍣ㄨō(sh猫)缃墠锛孋AN鎺у埗鍣ㄩ€氶亷璁€寰�(f霉)浣嶆ā寮忥紡璜嬫眰妯�(bi膩o)蹇椾締妾㈡煡鏄惁宸查仈(d谩)鍒板京(f霉)浣嶆ā寮�锛屽洜?y脿n)姗愵€ゆ覆鐪晹鈷屽嫙鎷囧椴€H鍦ㄥ京(f霉)浣嶆ā寮忔墠鑳藉鍏ワ紝娑夊強灏嶆帶鍒跺瘎瀛樺櫒锛圕R锛�锛岄(y脿n)鏀剁⒓瀵勫瓨鍣紙ACR 锛�锛岄(y脿n)鏀跺睆钄藉瘎瀛樺櫒锛圓MR 锛夛紝绺界窔瀹氭檪瀵勫瓨鍣紙BTRO鍜孊TR1锛夊拰杓稿嚭鎺у埗瀵勫瓨鍣紙OCR锛夌殑鍒濆鍖栫法绋�銆�
鏅傞悩鍒嗛牷瀵勫瓨鍣紝鍙互閬告搰BasicCAN鎴朠eliCAN宸ヤ綔妯″紡锛岃ō(sh猫)缃瓹LKOUT绠¤叧浣胯兘鐢ㄤ締閬告搰闋荤巼锛岃ō(sh猫)缃槸鍚︿娇鐢ㄦ梺璺疌AN杓稿叆姣旇純鍣ㄥ拰鏄惁浣跨敤TX 1杓稿嚭琚敤浣滃皥闁€鐨勬帴鏀朵腑鏂疯几鍑�銆�
椹�(y脿n)鏀朵唬纰煎拰椹�(y脿n)鏀跺睆钄藉瘎瀛樺櫒鐨勮ō(sh猫)缃彲浠ラ亷婵句俊鎭�锛岀偤鏀跺埌鐨勪俊鎭畾缇╅(y脿n)鏀朵唬纰肩偤鍜岄(y脿n)鏀朵唬纰肩浉闂�(gu膩n)浣嶆瘮杓冨畾缇╅(y脿n)鏀跺睆钄戒唬纰笺€�
绺界窔瀹氭檪瀵勫瓨鍣�锛屽畾缇╃附绶氫笂鐨勪綅閫熺巼銆傝几鍑烘帶鍒跺瘎瀛樺櫒瀹氱京CAN绺界窔杓稿嚭绠¤叧TX0鍜孴X1鐨勮几鍑烘ā寮�锛屽畾缇㏕X0鍜孴X1杓稿嚭绠¤叧閰嶇疆鏄嚫绌恒€佷笅鎷�銆佷笂鎷夋垨鎺ㄦ尳浠ュ強妤垫€с€備腑鏂峰瘎瀛樺櫒瑷�(sh猫)缃厑瑷辫瓨鍒ョ殑涓柗婧�銆�
4 绲�(ji茅)璜�
澶氬€嬫櫤鑳藉剙琛ㄨ垏閫氶亷CAN鎺ュ彛鑸嘝C鑱�(li谩n)绯绘垚绺界窔缍�(w菐ng)锛岀郴绲�(t菕ng)閬�(y霉n)琛岃壇濂�銆傞€欑ó鍩轰簬鐝�(xi脿n)鍫寸附绶氱殑鏅鸿兘鍎€琛ㄧ郴绲�(t菕ng)鎶楀共鎿炬€у挤(qi谩ng)銆佹€ц兘鍙潬锛岀劇璜栨槸娓噺閫熷害銆佺簿纰哄害銆佽嚜鍕曞寲绋嬪簭閭勬槸鎬у児姣旈兘鏄偝绲�(t菕ng)鍎€琛ㄤ笉鑳芥瘮鎿殑锛屾槸浠婂悗鍎€鍣ㄥ剙琛ㄧ櫦(f膩)灞曠殑鏂瑰悜銆�