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CAN绺界窔鑳藉婊胯冻鐝�(xi脿n)浠ｈ嚜鍕曞寲閫氳▕鐨勯渶瑕�,宸叉垚鐐哄伐妤�(y猫)鏁�(sh霉)鎿�(j霉)绺界窔閫氳▕闋�(l菒ng)鍩熶腑鏈€鐐烘椿瑕佽簫鐨勪竴鏀�. 鍏朵富瑕佺壒榛�(di菐n)鏄�: 鈶燙AN绺界窔鐐哄涓荤珯绺界窔,鍚勭瘈(ji茅)榛�(di菐n)鍧囧彲鍦ㄤ换鎰忔檪鍒讳富鍕曞悜缍�(w菐ng)绲�(lu貌)涓婄殑鍏跺畠绡€(ji茅)榛�(di菐n)鐧�(f膩)閫佷俊鎭�,涓嶅垎涓诲緸,閫氫俊闈堟椿; 鈶AN绺界窔閲囩敤鐛�(d煤)鐗圭殑闈炵牬澹炴€х附绶氫徊瑁佹妧琛�(sh霉),鍎�(y艒u)鍏堢礆楂樼殑绡€(ji茅)榛�(di菐n)鍎�(y艒u)鍏堝偝閫佹暩(sh霉)鎿�(j霉),鑳芥豢瓒冲鏅傛€ц姹�; 鈶AN绺界窔鍏锋湁榛�(di菐n)灏嶉粸(di菐n),涓€榛�(di菐n)灏嶅榛�(di菐n)鍙婂叏灞€寤ｆ挱鍌抽€佹暩(sh霉)鎿�(j霉)鐨勫姛鑳�; 鈶AN绺界窔涓婃瘡骞€鏈夋晥瀛楃瘈(ji茅)鏁�(sh霉)鏈€澶氱偤8鍊�,骞舵湁CRC鍙婂叾瀹冩牎椹楁帾鏂�,鏁�(sh霉)鎿�(j霉)鍑洪尟鐜囨サ浣�,钀竴鏌愪竴绡€(ji茅)榛�(di菐n)鍑虹従(xi脿n)鍤�(y谩n)閲嶉尟瑾�,鍙嚜鍕曡劔闆㈢附绶�,绺界窔涓婄殑鍏跺畠鎿嶄綔涓嶅彈褰遍熆; 鈶AN绺界窔鍙湁鍏╂牴灏�(d菐o)绶�,绯荤当(t菕ng)鎿�(ku貌)鍏呮檪,鍙洿鎺ュ皣鏂扮瘈(ji茅)榛�(di菐n)鎺涘湪绺界窔涓婂嵆鍙�,鍥犳璧扮窔灏�,绯荤当(t菕ng)鎿�(ku貌)鍏呭鏄�,鏀瑰瀷闈堟椿; 鈶AN绺界窔鍌宠几閫熷害蹇�,鍦ㄥ偝杓歌窛闆㈠皬浜�40m鏅�,鏈€澶у偝杓搁€熺巼鍙仈(d谩)1Mb/s. 姝ｆ槸鐢变簬CAN绺界窔鍏锋湁閫欎簺鍏跺畠閫氫俊鏂瑰紡鐒℃硶姣旀摤鐨勫劒(y艒u)榛�(di菐n),浣夸箣鎴愮偤闆诲嫊姹借粖鎺у埗绯荤当(t菕ng)鐨勭悊鎯崇附绶�. 1 闆诲嫊姹借粖灏嶉€氳▕缍�(w菐ng)绲�(lu貌)鐨勯渶姹� 闆诲嫊姹借粖鐢变簬鍎茶兘瑷�(sh猫)鍌欏閲忔湁闄�,鍦ㄩ亱(y霉n)琛岄亷绋嬩腑灏嶈兘婧愮殑绠＄悊鍗佸垎鍤�(y谩n)鏍�. 鏁堢巼鏄　閲忛浕鍕曟苯杌婄郴绲�(t菕ng)鎬ц兘鐨勯噸瑕佹寚妯�(bi膩o),鍦嬪863鈥滃崄浜斺€濋浕鍕曟苯杌婇噸澶у皥闋呰姹傞浕鍕曟(j墨)绯荤当(t菕ng)椤嶅畾鏁堢巼鐐�85% ,鎺у埗鍣ㄧ殑椤嶅畾鏁堢巼閬�(d谩)鍒�95%. 闆诲嫊姹借粖闆诲瓙鎺у埗绯荤当(t菕ng)鐨勫嫊鎱�(t脿i)淇℃伅蹇呴爤鍏锋湁瀵︽檪鎬�,鍚勫瓙绯荤当(t菕ng)闇€瑕佸皣杌婅紱鐨勫叕鍏辨暩(sh霉)鎿�(j霉)瀵︽檪鍏变韩,濡傞浕姗�(j墨)杞�(zhu菐n)閫�銆佽粖杓綁(zhu菐n)鎻涖€佹补闁€韪忔澘浣嶇疆鍜屽墡杌婅笍鏉夸綅缃瓑. 浣嗕笉鍚屾帶鍒跺柈鍏冪殑鎺у埗鍛ㄦ湡涓嶅悓,鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涢€熷害銆佸悇鎺у埗鍛戒护鍎�(y艒u)鍏堢礆涔熶笉鍚�,鍥犳闇€瑕佷竴绋叿鏈夊劒(y艒u)鍏堟瑠(qu谩n)绔剁埈妯″紡鐨勬暩(sh霉)鎿�(j霉)浜ゆ彌缍�(w菐ng)绲�(lu貌),骞朵笖鏈韩鍏锋湁妤甸珮鐨勯€氫俊閫熺巼. 姝ゅ,浣滅偤涓€绋級浜轰氦閫氬伐鍏�,闆诲嫊姹借粖蹇呴爤鍏锋湁杓冨ソ鐨勮垝閬╂€�,鏁磋粖閫氳▕绯荤当(t菕ng)蹇呴爤鍏锋湁寰堝挤(qi谩ng)鐨勫閷兘鍔涘拰蹇€熻檿鐞嗚兘鍔�. 鐩墠,闆诲嫊姹借粖鐨勭櫦(f膩)灞曞緱鍒颁簡鍚勫湅鐨勯珮搴﹂噸瑕�.闆诲嫊姹借粖鎴愮偤鏈締姹借粖鐧�(f膩)灞曠殑涓绘祦鏂瑰悜. 闆诲嫊姹借粖鍏�(n猫i)闆绘埃鍏冧欢妤靛,闇€瑕佸鏅傚偝杓稿拰鍏变韩鐨勬暩(sh霉)鎿�(j霉)寰堝.濡備綍鎻愰珮闆诲嫊姹借粖閫氳▕鐨勫鏅傛€�銆佸彲闈犳€у拰鎳�(y墨ng)鎬ヨ檿鐞嗚兘鍔涙垚鐐洪浕鍕曟苯杌婇€氳▕鐨勯洠榛�(di菐n)鎵€鍦�. 鎴戝€戦噰鐢═MS320LF2407鍨婦S浣滅偤闆诲嫊姹借粖閫氳▕绯荤当(t菕ng)鐨勪富铏曠悊鍣�,鍒╃敤DSP鑹ソ鐨勫揩閫熻檿鐞嗚兘鍔涙彁楂樻暩(sh霉)鎿�(j霉)铏曠悊閫熷害,寰炶€屾彁楂橀€氳▕鐨勫鏅傛€�;鍒╃敤 DSP鍏�(n猫i)宓岀殑CAN绺界窔妯″浣滅偤CAN鐨勬帶鍒跺櫒,娓涘皯纭欢闆昏矾鐨勫京(f霉)闆滄€�,寰炶€屾彁楂橀€氳▕鐨勫彲闈犳€�;閫氶亷杌熶欢瑷�(sh猫)瑷堢穵鎬ユ檪鍒诲睆钄芥瑕佸洜绱犱締鎻愰珮闆诲嫊姹借粖鐨勬噳(y墨ng)鎬ヨ檿鐞嗚兘鍔�. 2 鎺у埗鏂规 闆诲嫊姹借粖绺芥垚鎺у埗鎴戝€戦噰鐢ㄥ厛閫�(j矛n)鐨勬ā绯婃帶鍒�,閲囩敤鐨勬帶鍒跺櫒涔熸槸TMS320LF2407鍨嬬殑DSP. 灏嶉噰闆嗗埌鐨勫墡杌婁俊铏�,鍔犻€熶俊铏熷拰鍙嶉鍥炵殑杞�(zhu菐n)閫熶俊铏熼€�(j矛n)琛屾ā绯婅檿鐞�,寰楀埌鏈熸湜鐨勮綁(zhu菐n)閫熶俊铏�,骞跺皣寰楀埌鐨勮綁(zhu菐n)閫熷€奸€氶亷CAN 绺界窔鍌抽€佸埌闆诲嫊姗�(j墨)鐨勬帶鍒舵(j墨)妲�(g貌u),灏嶉浕鍕曟(j墨)閫�(j矛n)琛屾帶鍒�,婊胯冻椐曢鍝＄殑椐曢鎰忓湒. 鍚屾檪绠＄悊鐕堝厜绯荤当(t菕ng)鍜屽睆骞曢’绀虹郴绲�(t菕ng). 灞忓箷椤ず绯荤当(t菕ng)瀵︽檪椤ず闆诲嫊姹借粖鐨勯亱(y霉n)琛岀媭鎱�(t脿i). 鍏烽珨鎺у埗鏂规濡傚湒1 鎵€绀�. 3 闆诲嫊姹借粖CAN绺界窔閫氳▕鏂规 闆诲嫊姹借粖鎺у埗闇€瑕佽壇濂界殑閫氳▕鍗�(xi茅)瑾�(di脿o)鎬у拰閬�(y霉n)琛屽彲闈犳€�. 鑹ソ鐨勯€氳▕绯荤当(t菕ng)鏄鐝�(xi脿n)闆诲嫊姹借粖鍙潬閬�(y霉n)琛岀殑闂�(gu膩n)閸�. CAN绺界窔绲�(ji茅)妲�(g貌u)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€氳▕缍�(w菐ng)绲�(lu貌). 鍦�2 鏄竴鍊嬪吀鍨嬬殑闆诲嫊姹借粖CAN绺界窔绲�(ji茅)妲�(g貌u)绀烘剰鍦�,鍖呮嫭鏁磋粖鍕曞姏閮ㄥ垎鐨勪富闆诲嫊姗�(j墨)鎺у埗鍣ㄣ€侀浕姹犵祫绠＄悊绯荤当(t菕ng)銆侀浕鍕曟苯杌婂睆骞曢’绀虹郴绲�(t菕ng)绛夊鍊嬭ō(sh猫)鍌�,閫欎簺瀛愮郴绲�(t菕ng)涔嬮枔閫氶亷 CAN閫�(j矛n)琛屾暩(sh霉)鎿�(j霉)閫氳▕鍜屽懡浠ゅ偝杓�. 姣忓€嬬瘈(ji茅)榛�(di菐n)瑷�(sh猫)鍌欓兘鑳藉鍦ㄨ劔闆AN 绺界窔鐨勬儏娉佷笅鐛�(d煤)绔嬪畬鎴愯嚜韬郴绲�(t菕ng)鐨勯亱(y霉n)琛�,寰炶€屾豢瓒宠粖杓涢亱(y霉n)琛屽畨鍏ㄦ€х殑闇€瑕�. 鍚屾檪,CAN绺界窔涔熶笉鏈冨洜鐐烘煇鍊嬭ō(sh猫)鍌欑殑鑴洟鑰屽嚭鐝�(xi脿n)绯荤当(t菕ng)绲�(ji茅)妲�(g貌u)宕╂桨鐨勭従(xi脿n)璞�. 4 CAN绺界窔妯″ CAN 绺界窔妯″鏄疍SP鐨勪竴鍊�16浣嶇殑澶栬ō(sh猫),鏄竴鍊嬪畬鏁寸殑CAN 鎺у埗鍣�. 闄ゅ叿鏈塁AN 绺界窔鐨勫熀鏈姛鑳藉,閭勬湁涓€浜涚壒鏈夊姛鑳�,濡�:灏嶈薄鏈夊叚鍊嬮兊绠�,鍏舵暩(sh霉)鎿�(j霉)闀峰害鐐�0锝�8 鍊嬪瓧绡€(ji茅),鍏朵腑鍏╁€嬫帴鏀堕兊绠憋紙0銆�1锛� ,鍏╁€嬬櫦(f膩)閫侀兊绠憋紙4銆�5锛� ,鍏╁€嬪彲閰嶇疆鐐烘帴鏀舵垨鐧�(f膩)閫侀兊绠憋紙3銆�4锛� ;鑷嫊鍥炲京(f霉)閬�(yu菐n)绋嬭珛姹傚姛鑳�;鍙法绋嬬殑CAN 绺界窔鍠氶啋鍔熻兘;鑷脯瑭︽ā寮忓姛鑳界瓑. 灏岰AN 绺界窔鐨勮í鍟忓垎鐐烘帶鍒�/ 鐙€鎱�(t脿i)瀵勫瓨鍣ㄧ殑瑷晱鍜岄兊绠辩殑RAM 瑷晱.CAN 绺界窔鎺у埗妯″鐨勫収(n猫i)瀛樼┖闁撳垎閰嶅湒濡傚湒3 鎵€绀�. CAN 鎺у埗鍣ㄧ櫦(f膩)閫佺殑淇℃伅骞€鏈夊叐绋�,涓€绋槸鐧�(f膩)閫佹暩(sh霉)鎿�(j霉)骞€,涓€绋槸鐧�(f膩)閫侀仩(yu菐n)绋嬪箑. 鐧�(f膩)閫侀兊绠辨湁閮电4 鍜岄兊绠�5浠ュ強琚厤缃偤鐧�(f膩)閫佹柟寮忕殑閮电2 鍜岄兊绠�3. 鐧�(f膩)閫佹暩(sh霉)鎿�(j霉)骞€鏅�,鍦ㄦ暩(sh霉)鎿�(j霉)瀵埌鐧�(f膩)閫侀兊绠辩殑鏁�(sh霉)鎿�(j霉)鍗€(q奴)鍚�,濡傛灉鐩告噳(y墨ng)鐨勭櫦(f膩)閫佽珛姹備綅浣胯兘,鍓囨暩(sh霉)鎿�(j霉)骞€琚櫦(f膩)閫佸埌CAN 绺界窔涓�. 鏁�(sh霉)鎿�(j霉)骞€鐨勬暩(sh霉)鎿�(j霉)鍗€(q奴)鍙互閫氶亷杌熶欢瑷�(sh猫)缃垚1锝�8 鍊嬪瓧绡€(ji茅). 鏁�(sh霉)鎿�(j霉)骞€鐨勬牸寮忓鍦�4 鎵€绀�. CAN 绺界窔鎺у埗鍣ㄧ殑鎺ユ敹閮电鏈夐兊绠�0鍜岄兊绠�1鍙婅閰嶇疆鐐烘帴鏀舵柟寮忕殑閮电2 鍜岄兊绠�3. CAN 鎺у埗鍣ㄥ湪鎺ユ敹淇℃伅鏅�,棣栧厛瑕佸皣鎺ユ敹淇℃伅鐨勬(bi膩o)蹇楃鑸囩浉鎳�(y墨ng)鎺ユ敹閮电鐨勬(bi膩o)蹇楃閫�(j矛n)琛屾瘮杓�,鍙湁妯�(bi膩o)蹇楃鐩稿悓鐨勪俊鎭墠鑳借鎺ユ敹. CAN 绺界窔鎺у埗鍣ㄧ殑鎺ユ敹瀵勫瓨鍣ㄤ娇寰楁帴鏀堕兊绠卞彲浠ュ拷鐣ユ洿澶氱殑浣嶄締鎺ユ敹淇℃伅. 浣嗘槸,濡傛灉鐣�(d膩ng)鎺ユ敹灞忚斀浣胯兘浣嶏紙AME锛� 鐐�0 鏅�,鍓囧眬閮ㄦ帴鏀跺睆钄藉瘎瀛樺櫒灏囧け鏁�. 鍙湁閰嶇疆鐐虹櫦(f膩)閫佹柟寮忕殑閮电2 鍜岄兊绠�3 鎵嶅彲浠ユ帴鏀惰嚜鍕曟噳(y墨ng)绛旈仩(yu菐n)绋嬪箑. 鐣�(d膩ng)閮电鎺ユ敹鍒伴仩(yu菐n)绋嬪箑鍚�,鎺ユ敹绡€(ji茅)榛�(di菐n)灏囪嚜鍕曠櫦(f膩)閫佷竴鍊嬫暩(sh霉)鎿�(j霉)骞€浣滅偤鎳�(y墨ng)绛�. 5 鎺ュ彛闆昏矾瑷�(sh猫)瑷� 鐢变簬DSP 鏈韩鍏�(n猫i)甯禖AN 绺界窔妯″,鎵€浠ヤ笉闇€瑕佸皥闁€鐨凜AN 鎺у埗鍣�,DSP 鏈韩涓嶅叿鏈塁AN 鏀剁櫦(f膩)鍣�,闇€瑕佸鎺AN 鏀剁櫦(f膩)鍣�82C250 ,涓枔浣跨敤鍏夐浕闅旈洟鍣�6N137. 濡傛灉璺濋洟寰堢煭,鍙互涓嶄娇鐢ㄥ厜闆婚殧闆㈠櫒. DSP鑸囧厜闆婚殧闆㈠櫒鍜孋AN 鏀剁櫦(f膩)鍣ㄧ‖浠堕€ｆ帴鍦栧鍦�5 鎵€绀�. 6 闆诲嫊姹借粖绺芥垚鎺у埗鍣–AN閫氳▕鐨勮粺浠跺鐝�(xi脿n) 闆诲嫊姹借粖绺芥垚鎺у埗鍣ㄦ槸闆诲嫊姹借粖鐨勫績鑷�,瀹冮渶瑕侀牷绻佺殑鎺ユ敹鍜岀櫦(f膩)閫佹暩(sh霉)鎿�(j霉)灏嶉浕鍕曟苯杌婇€�(j矛n)琛屽鏅傛帶鍒跺拰妾㈡脯. 鐧�(f膩)閫佷俊鎭噰鐢ㄦ煡瑭㈡柟寮�,鎺ユ敹淇℃伅閲囩敤涓柗鏂瑰紡. 閫氶亷瑷�(sh猫)瀹氫笉鍚屼簨浠剁殑涓嶅悓鍎�(y艒u)鍏堢礆渚嗙⒑瀹氫俊鎭殑鎺ユ敹鍜岀櫦(f膩)閫侀爢搴�,鍚屾檪澧炲姞绶婃€ヤ簨浠惰檿鐞嗙▼搴忎締鎻愰珮鎺у埗鍣ㄨ檿鐞嗙穵鎬ヤ簨浠剁殑鑳藉姏,淇濊瓑杌婅紱鍜屼汉韬畨鍏�. 绶婃€ヤ簨浠惰檿鐞嗙▼搴忔槸鐣�(d膩ng)绶婃€ヤ簨浠剁櫦(f膩)鐢熸檪,濡傚煼(zh铆)琛屽櫒浠舵悕澹�,鎬ュ墡杌婂拰鎬ヨ綁(zhu菐n)褰庣瓑,閫氶亷鏆檪灞忚斀浣庡劒(y艒u)鍏堢礆浜嬩欢,濡傞浕姹犻浕閲忔娓�,LCD 椤ず绯荤当(t菕ng)绛�,浣挎帶鍒跺櫒鏈夎冻澶犵殑鏅傞枔铏曠悊绶婃€ヤ簨浠�,浠ユ彁楂樻帶鍒跺櫒鐨勫鏅傛帶鍒惰兘鍔涘拰鎳�(y墨ng)鎬ヨ檿鐞嗚兘鍔�. 鎺у埗鍣ㄨ粺浠舵祦绋嬪湒濡傚湒6 鎵€绀� 7 绲�(ji茅)璜� 鐩墠,鐝�(xi脿n)鍫寸附绶氬湪鑷嫊鍖栭牁(l菒ng)鍩熶腑蹇€熺櫦(f膩)灞�,CAN绺界窔浣滅偤涓€绋緢鏈夊奖闊跨殑鐝�(xi脿n)鍫寸附绶�,閲囩敤浜嗚ū澶氭柊鐨勬妧琛�(sh霉)鍜岃ō(sh猫)瑷�,浣緾AN 绺界窔鎴愮偤鏈€鏈夌櫦(f膩)灞曞墠閫旂殑鐝�(xi脿n)鍫寸附绶氫箣涓€. CAN 绺界窔浠ュ叾楂樺鏅傛€с€侀珮鍙潬鎬у拰楂橀潏娲绘€�,鍦ㄥ伐妤�(y猫)鑷嫊鍖栨帶鍒朵腑寰楀埌浜嗚秺渚嗚秺澶氱殑鎳�(y墨ng)鐢�. 鏈枃鎳�(y墨ng)鐢―SP 鎺у埗鍣ㄤ綔鐐篊AN 绺界窔鐨勫井铏曠悊鍣�,鍒╃敤DSP 寰堝挤(qi谩ng)鐨勬暩(sh霉)鎿�(j霉)铏曠悊鑳藉姏鍜孋AN 绺界窔鍌宠几閫熺巼楂�銆佸彲闈犳€ч珮鐨勭壒榛�(di菐n),灏嶉浕鍕曟苯杌婂収(n猫i)寰�(f霉)闆滅殑閫氳▕绯荤当(t菕ng)鎻愬嚭瑙ｆ焙鏂规. 瀵﹂璀夋槑,鏈郴绲�(t菕ng)涓嶄絾瑙ｆ焙浜嗛浕鍕曟苯杌婇€氳▕灏嶅鏅傛€х殑瑕佹眰,鑰屼笖鍙潬鎬у拰绌�(w臎n)瀹氭€ч兘寰楀埌浜嗘彁楂�.