鎽� 瑕侊細鏈枃浠嬬垂浜員I锛堢編鍦嬪痉宸炲剙鍣級鍏徃鎺ㄥ嚭鐨勪竴绋潰鍚戞暩(sh霉)瀛楁帶鍒剁郴绲�(t菕ng)闁嬬櫦(f膩)鐨勬柊鍨嬪彲绶ㄧ▼DSP鑺墖TMS320LF2407鐨勪富瑕佺壒榛�锛屽強鍏跺湪澶╃劧姘ｇ櫦(f膩)鍕曟鎺у埗绯荤当(t菕ng)涓殑鎳夌敤銆傝┎鎺у埗绯荤当(t菕ng)纭欢闆昏矾绨″柈锛岀郴绲�(t菕ng)鍙潬锛屽鏅傛€ч珮銆� 闂�(gu膩n)閸佃锛�鏁�(sh霉)瀛椾俊铏熻檿鐞嗗櫒;澶╃劧姘ｇ櫦(f膩)鍕曟;瀵︽檪鎺у埗 1 寮曡█ 銆€銆€杩戝勾渚�锛屾暩(sh霉)瀛椾俊铏熻檿鐞嗗櫒锛圖SP锛夎姱鐗囧凡缍�(j墨ng)寤ｆ硾鐢ㄤ簬鑷嫊鎺у埗銆佸湒鍍忚檿鐞�銆侀€氫俊鎶€琛�(sh霉)銆佺恫(w菐ng)绲¤ō鍌�銆佸剙鍣ㄥ剙琛ㄥ拰瀹堕浕绛夐牁(l菒ng)鍩�;DSP鐐烘暩(sh霉)瀛椾俊铏熻檿鐞嗘彁渚涗簡楂樻晥鑰屽彲闈犵殑纭欢鍩虹(ch菙)銆傜洰鍓�锛屾噳鐢ㄦ渶寤ｆ硾鐨凞SP鑺墖鏄疶I锛堝痉宸炲剙鍣級鍏徃鐨勭敘(ch菐n)鍝�锛孴MS320C2000绯诲垪鏄┎鍏徃鐨勯仼鍚堜簬鏁�(sh霉)瀛楁帶鍒剁殑涓€绋瓺SP銆傞€欑ó绯诲垪DSP鑺墖鍏锋湁瀹岀編鐨勬€ц兘骞堕泦鎴愪簡闁冨瓨銆侀珮閫烝/D杞�(zhu菐n)鎻涘櫒銆侀珮鎬ц兘鐨凜AN妯″绛�锛屽洜姝や娇鐢ㄥ畠鍙互闄嶄綆闁嬬櫦(f膩)闆ｅ害锛岀府鐭敘(ch菐n)鍝侀枊鐧�(f膩)鏅傞枔锛屾湁鏁堝湴闄嶄綆闁嬬櫦(f膩)鎴愭湰锛屽叿鏈夊緢楂樼殑鎬у児姣�銆俆MS320LF2407鑺墖鏄疶MS320C2000绯诲垪涓渶鏂扮殑銆侀泦鎴愬害鏈€楂�銆佹€ц兘鏈€寮风殑閬嬪嫊鎺у埗DSP鑺墖銆� 銆€銆€澶╃劧姘ｄ綔鐐哄嫊鍔涜兘婧愭槸鍌崇当(t菕ng)鐕冩枡鐨勭悊鎯虫浛浠ｅ搧銆傚悇绋ぉ鐒舵埃鐧�(f膩)鍕曟鐨勫皥鐢ㄩ浕瀛愭帶鍒剁郴绲�(t菕ng)涓嶆柗鍦版秾鐝�(xi脿n)锛屼娇澶╃劧姘ｇ櫦(f膩)鍕曟鐨勫嫊鍔涙€с€佺稉(j墨ng)婵熸€�銆佹帓鏀炬€х瓑鍚勯爡鎬ц兘涓嶆柗鎻愰珮銆傚ぉ鐒舵埃灏堢敤鐧�(f膩)鍕曟閫氶亷鑹ソ鐨勬帶鍒跺彲浠ユ瘮鍚岀瓑鐨勬苯娌规鍜屾煷娌规鍏锋湁鏇翠綆鐨勬帓鏀撅紝骞朵笖鍕曞姏鎬ц兘鏈夊緢澶х殑鎻愰珮锛屽洜姝ら伕鐢ㄩ珮鎬ц兘鐨凞SP鑺墖瑷▓濂藉ぉ鐒舵埃鐧�(f膩)鍕曟鎺у埗绯荤当(t菕ng)鏄潪甯搁噸瑕佺殑銆� 2 TMS320LF2407鑺墖绨′粙 銆€銆€DSP鑺墖鏄竴绋叿鏈夌壒娈婄祼(ji茅)妲�(g貌u)鐨勫井铏曠悊鍣�銆傝┎鑺墖鐨勫収(n猫i)閮ㄩ噰鐢ㄧ▼搴忓拰鏁�(sh霉)鎿�(j霉)鍒嗛枊鐨勫搱浣涚祼(ji茅)妲�(g貌u)锛屽叿鏈夊皥闁€鐨勭‖浠朵箻娉曞櫒锛屽唬娉涢噰鐢ㄦ祦姘寸窔鎿嶄綔锛屾彁渚涚壒娈婄殑鎸囦护锛屽彲浠ョ敤渚嗗揩閫熷湴瀵︾従(xi脿n)鍚勭ó鏁�(sh霉)瀛椾俊铏熻檿鐞嗙畻娉�銆� 銆€銆€TMS320x24x绯诲垪鏁�(sh霉)瀛椾俊铏熻檿鐞嗗櫒鏄疶I锛堢編鍦嬪痉宸炲剙鍣級鍏徃鎺ㄥ嚭鍦颁竴绋潰鍚戞暩(sh霉)瀛楅Μ閬旀帶鍒�銆佸祵鍏ュ紡鎺у埗绯荤当(t菕ng)鍜屾暩(sh霉)瀛楁帶鍒剁郴绲�(t菕ng)闁嬬櫦(f膩)鐨勬柊鍨嬪彲绶ㄧ▼DSP鑺墖銆俆MS320LF240x鏄痻24x绯诲垪DSP鎺у埗鍣ㄤ腑鐨勬柊鎴愬摗锛屾槸鐐轰簡婊胯冻鎺у埗鎳夌敤鑰岃ō瑷堢殑銆侺F240x鐨勭墖鍏�(n猫i)绋嬪簭瀛樺劜鍣ㄧ偤Flash EEPROM锛屽寘鎷琇F2402銆丩F2406鍜孡F2407涓夊€嬪瀷铏�銆侺F2407鏄痻240x绯诲垪DSP鎺у埗鍣ㄤ腑鍔熻兘鏈€寮�銆佺墖涓婅ō鏂芥渶瀹屽倷鍦颁竴鍊嬪瀷铏燂紝琚唬娉涚敤浜庝唬纰奸枊鐧�(f膩)銆佺郴绲�(t菕ng)浠跨湡鍙婂闅涚郴绲�(t菕ng)涓�锛屽叾涓昏鐗归粸锛� 銆€?銆�?锛� 閲囩敤楂樻€ц兘闈滄厠(t脿i)CMOS鎶€琛�(sh霉)锛屼娇寰椾緵闆婚浕澹撻檷鐐�3.3V锛屾笡灏忎簡鎺у埗鍣ㄧ殑鍔熻€�;30MIPS鐨勫煼(zh铆)琛岄€熷害浣垮緱鎸囦护鍛ㄦ湡绺煭鍒�33ns锛�30MHz锛�锛屽緸鑰屾彁楂樹簡鎺у埗鍣ㄧ殑瀵︽檪鎺у埗鑳藉姏銆� 銆€?銆�?锛� 鍏╁€嬩簨浠剁鐞嗗櫒妯″EVA鍜孍VB锛屾瘡鍊嬪寘鎷細鍏╁€�16浣嶉€氱敤瀹氭檪鍣�;8鍊�16浣嶇殑鑴堝瑾�(di脿o)鍒讹紙PWM锛夐€氶亾銆傞仼鐢ㄤ簬鎺у埗浜ゆ祦鎰熸噳闆绘銆佺劇鍒风洿娴侀浕姗�銆佹閫查浕姗熷拰閫嗚畩鍣ㄧ瓑銆� 銆€?銆�?锛� 10浣岮/D杞�(zhu菐n)鎻涘櫒鏈€灏忚綁(zhu菐n)鎻涙檪闁撶偤500ns锛屽彲閬告搰鐢卞叐鍊嬩簨浠剁鐞嗗櫒渚嗚Ц鐧�(f膩)鍏╁€�8閫氶亾杓稿叆A/D杞�(zhu菐n)鎻涘櫒鎴栦竴鍊�16浣嶉€氶亾杓稿叆鐨凙/D杞�(zhu菐n)鎻涘櫒銆� 3 TMS320LF2407鑺墖鍦ㄥぉ鐒舵埃鐧�(f膩)鍕曟鎺у埗绯荤当(t菕ng)涓殑鎳夌敤 銆€銆€鍌崇当(t菕ng)鐨勬帶鍒剁郴绲�(t菕ng)鏄伕鐢ㄥ柈鐗囨渚嗘帶鍒�锛屼竴鏄叾閬嬭閫熷害涓嶉珮锛岄仈涓嶅埌寰堝ソ鐨勫鏅傛帶鍒讹紝涓嶈兘鏈夋晥鐨勮捣鍒板湪绶氭娓帶鍒剁殑鏁堟灉;浜屾槸鍠墖姗熺殑闆嗘垚搴﹁純浣庯紝鐗囦笂涓嶅叿鍌欓亱鍕曟帶鍒剁郴绲�(t菕ng)鎵€闇€鐨勫皥鐢ㄥ瑷�锛岄€欏氨闇€瑕佽純澶氱殑鍏冨櫒浠�锛屽鍔犱簡绯荤当(t菕ng)闆昏矾鐨勫京闆滄€э紝闄嶄綆浜嗙郴绲�(t菕ng)鐨勫彲闈犳€�銆傜劧鑰岄伕鐢═I锛堢編鍦嬪痉宸炲剙鍣級鍏徃鐨剎240x绯诲垪DSP鑺墖锛岀墖涓婇泦鎴愪簡灏堢敤鐨勯亱鍕曟帶鍒跺瑷浕璺�锛屼笖鍏跺収(n猫i)閮ㄧ殑DSP鏍稿彲鎻愪緵鏇撮珮鐨勯亱绠楅€熷害銆侀亱绠楃簿搴﹀拰铏曠悊澶ч噺鏁�(sh霉)鎿�(j霉)閬嬬畻鐨勮兘鍔涖€侱SP鑺墖鑳借純濂藉湴婊胯冻绯荤当(t菕ng)鐨勫鏅傛€ц姹傦紝鑳藉姣旇純鏂逛究瀵︾従(xi脿n)寰╅洔鐨勬帶鍒剁畻娉�銆� 銆€銆€3.1鎺у埗绯荤当(t菕ng)鐨勭‖浠惰ō瑷� 銆€銆€鎺у埗绯荤当(t菕ng)鐨勪富瑕佸姛鑳芥槸閫氶亷鍏╁€嬭綁(zhu菐n)閫熷偝鎰熷櫒鍜屼竴鍊嬫韩搴﹀偝鎰熷櫒锛屼竴鍊嬭綁(zhu菐n)閫熷偝鎰熷櫒娓緱淇¤櫉渚嗘帶鍒跺悇缂哥殑榛炵伀鏅傞枔锛屽彟涓€鍊嬭綁(zhu菐n)閫熷偝鎰熷櫒娓緱淇¤櫉渚嗚▓绠楄綁(zhu菐n)閫�锛屾韩搴﹀偝鎰熷櫒鏄脯閲忔帓鏀惧熬姘ｇ殑婧害锛岄€氶亷娓緱鐨勮綁(zhu菐n)閫熷拰灏炬埃婧害渚嗗垽鏂风櫦(f膩)鍕曟鐨勯亱琛屾儏娉�锛屽啀鏍规摎(j霉)涓€浜涙帶鍒惰(gu墨)鍓囦締瑾�(di脿o)绡€(ji茅)闆荤闁ヤ締鎺у埗澶╃劧姘ｅ拰绌烘埃鐨勯€叉埃閲�锛屽緸鑰屼娇鐧�(f膩)鍕曟鐨勮綁(zhu菐n)閫熸亽瀹�锛屼互鎻愰珮澶╃劧姘ｇ櫦(f膩)鍕曟鐨勫嫊鍔涙€ц兘銆� 銆€銆€鎺у埗绯荤当(t菕ng)閲囩敤TMS320LF2407鐨凞SP鑺墖锛岀郴绲�(t菕ng)鐨勫鍦嶅厓浠跺緢灏�锛岄浕璺祼(ji茅)妲�(g貌u)寰堢啊鍠�锛岀郴绲�(t菕ng)绲�(ji茅)妲�(g貌u)绨″湒濡傚湒1鎵€绀猴細 [align=center] 鍦�1绯荤当(t菕ng)绲�(ji茅)妲�(g貌u)绨″湒[/align] 銆€銆€1锛変汉姗熸帴鍙ｉ儴鍒嗙殑瑷▓锛� 銆€銆€涓昏瑷▓8浣峀ED椤ず鍜�20閸甸嵉鐩�锛屼竴鏄偤浜嗚綁(zhu菐n)閫熷拰鎺掓埃婧害鐨勯’绀�锛屼竴鏄粸鐏搴︾殑杓稿叆鍜岃(di脿o)鏁�銆傞噰鐢ㄤ簡涓€绋嵉鐩ゅ拰鏁�(sh霉)纰肩鐨勬櫤鑳芥帶鍒惰姱鐗嘓D7279A鍜孌SP鑺墖鐩搁€�锛屽彧闇€鐢―SP鐨�4鍊婭/O鍙�锛岃兘澶犳湁鏁堢殑娓涘皯纭欢闆昏矾锛屾彁楂樼郴绲�(t菕ng)鍙潬鎬�銆傜敱浜嶵MS320LF2407鐨処/O鍙ｈ几鍑洪兘鏄�3.3V锛屽拰HD7279A寮曡叧鐩搁€ｆ檪鍙互鍔犻墬浣嶉浕璺€� 銆€銆€HD7279A鏄竴鐗囧叿鏈変覆琛屾帴鍙ｇ殑鏅鸿兘椤ず椹�(q奴)鍕曡姱鐗�锛屽彲鍚屾檪椹�(q奴)鍕�8浣嶅叡闄板紡鏁�(sh霉)纰肩鍜岄€ｆ帴64閸电殑閸电洡鐭╅櫍锛岀劇闇€澶栧湇鍏冧欢鍙洿鎺ラ﹨(q奴)鍕昄ED锛屽柈鐗囧嵆鍙畬鎴怢ED椤ず鍜岄嵉鐩ゆ帴鍙ｇ殑鍏ㄩ儴鍔熻兘銆傞浕璺鍦�2鎵€绀猴細 銆€銆€HD7279A鎳夐€ｆ帴鍏遍櫚寮忔暩(sh霉)纰肩锛屾噳鐢ㄤ腑鐒￠渶鐢ㄥ埌鐨勯嵉鐩ゅ拰鏁�(sh霉)纰肩鍙互涓嶉€ｆ帴銆傝嫢涓嶇敤閸电洡锛屽墖鍦�2涓殑閫ｆ帴鍒伴嵉鐩ょ殑8鍙�10K闆婚樆鍜�8鍙�100K涓嬫媺闆婚樆鍧囧彲浠ョ渷鍘�銆傝嫢浣跨敤浜嗛嵉鐩�锛屽墖闆昏矾涓殑8鍙�100K涓嬫媺闆婚樆鍧囦笉寰楃渷鐣�銆傝嫢涓嶇敤鏁�(sh霉)纰肩锛屽墖鍦�2涓覆鍏P鍙奡A-SG閫ｇ窔鐨�8鍙�0.2K闆婚樆鍙渷鍘�锛屽惁鍓囦笉鑳界渷鐣�銆傚闅涙噳鐢ㄤ腑8鍙笅鎷夐浕闃诲拰8鍙嵉鐩ら€ｆ帴浣嶉伕绶欴IG0-DIG7鐨�8鍙綅閬搁浕闃绘噳閬靛緸涓€瀹氱殑姣斾緥闂�(gu膩n)绯�锛屼笅鎷夐浕闃绘噳澶т簬浣嶉伕闆婚樆鐨�5鍊嶈€屽皬浜庡叾50鍊�锛屽吀鍨嬪€肩偤10鍊嶃€� 銆€銆€HD7279A闇€瑕佸鎺C鎸暕闆昏矾浠ヤ緵绯荤当(t菕ng)宸ヤ綔锛屽叾鍏稿瀷鍊煎垎鍒ョ偤R=1.5K,C=15pF锛岃嫢鑺墖鐒℃硶姝ｅ父宸ヤ綔锛岃棣栧厛妾㈡煡姝ゆ尟钑╅浕璺�銆� [align=center] 鍦�2 閸电洡鍜孡ED椤ず[/align] 銆€銆€2锛変俊铏熼噰闆嗛儴鍒嗙殑瑷▓ 銆€銆€鎺у埗绯荤当(t菕ng)涓昏閲囬泦澶╃劧姘ｇ櫦(f膩)鍕曟鐨勮綁(zhu菐n)閫熷拰鎺掓埃婧害銆� 銆€銆€杞�(zhu菐n)閫熷偝鎰熷櫒閲囬泦鐨勪俊铏熸槸鑴堟矕淇¤櫉缍�(j墨ng)閬嶭F356鏀惧ぇ锛屽啀缍�(j墨ng)閬嶭M339姣旇純鍣ㄦ暣褰㈠悗锛岄€氶亷鍏夐浕闅旈洟閫佸埌DSP鐨処/O鍙�锛岄€氶亷鎵€寰楃殑鑴堟矕淇¤櫉鍊嬫暩(sh霉)渚嗚▓绠楀嚭杞�(zhu菐n)閫熷€�銆� 銆€銆€鎺掓埃婧害鍦�800搴﹀乏鍙筹紝鍥犳婧害淇¤櫉浣跨敤K鍨嬬啽闆诲伓閲囧緱锛岀敱AD590妲�(g貌u)鎴愮啽闆诲伓鍐风婧害瑁滃劅锛岀稉(j墨ng)閬嶰P07鏀惧ぇ鍚庨€佸埌DSP鐨勬ā鎿俊铏熺鍙�銆傞浕璺鍦栧鍦�3鎵€绀猴細 [align=center] 鍦�3 杞�(zhu菐n)閫熴€佹韩搴︿俊铏熼噰闆嗘鍦朳/align] 銆€銆€AD590鏄竴绋亽娴佹簮褰㈠紡鐨勬韩搴﹀偝鎰熷櫒锛屽彧闇€鍦ㄥ叾浜岀鍔犱笂涓€瀹氱殑宸ヤ綔闆诲锛屽墖鍏惰几鍑洪浕娴侀毃婧害璁婂寲鐢�(ch菐n)鐢熺窔鎬ц畩鍖�锛屾韩搴︽瘡璁婂寲1鈩冿紝杓稿嚭闆绘祦璁婂寲1渭A銆傞噰鐢ˋD590灏嶇啽闆诲伓閫茶婧害瑁滃劅锛屾牴鎿�(j霉)涓嶅悓鐨勭啽闆诲伓鐨勫璨濆厠绯绘暩(sh霉)锛岄伕鍙栧悎閬╃殑闆婚樆锛屼娇鍏惰畝鏁�(sh霉)璁婂寲鐨勯浕澹撹畩鍖栬垏鐔遍浕鍋舵鏅傜殑鍐风闆诲嫊鍕㈡姷娑�锛屽緸鑰岄仈鍒版韩搴﹁鍎熴€� 銆€銆€3.2杌熶欢瑷▓ 銆€銆€杌熶欢閲囩敤鍖法瑾炶█绶ㄥ锛屼娇鐢═I鍏徃鐨凜C2000闁嬬櫦(f膩)鐠�(hu谩n)澧冿紝涓荤▼搴忎富瑕佹槸瀵︾従(xi脿n)椤ず鍔熻兘鍜屾暩(sh霉)鎿�(j霉)閲囬泦鍔熻兘銆備富绋嬪簭娴佺▼鍦栧鍦�5鎵€绀猴細 [align=center] 鍦�4 涓荤▼搴忔祦绋嬪湒[/align] 銆€銆€鍦ㄦ帶鍒剁▼搴忎腑锛屽皣瑷堢畻鍑虹殑杞�(zhu菐n)閫熷拰婧害鑸囨湡鏈涘€兼瘮杓�锛屽緱鍑鸿宸拰瑾ゅ樊璁婂寲鐜囷紝鍐嶆牴鎿�(j霉)鍒跺畾濂界殑鎺у埗瑕�(gu墨)鍓囦締瑾�(di脿o)鏁寸噧姘ｅ拰绌烘埃鐨勯浕纾侀枼锛屽緸鑰屾敼璁�?n猫i)绱板娑傝珴鐛惧€狹姘ｉ噺锛屼互渚胯几鍑烘亽瀹氱殑杞�(zhu菐n)閫�銆侱SP鑺墖鍏�(n猫i)閮ㄥ叿鏈夐浕鍕曟鎺у埗灏堢敤纭欢姗熷埗锛岃兘澶犵洿鎺ョ敘(ch菐n)鐢烶WM娉㈠舰锛岄€欐ǎ鍙互鐩存帴鐢ㄤ締鎺у埗鐕冩埃鍜岀┖姘ｇ殑闆荤闁ャ€� 4 绲�(ji茅)瑾� 銆€銆€鍩轰簬DSP鑺墖妲�(g貌u)鎴愮殑鎺у埗绯荤当(t菕ng)浜嬪涓婃槸涓€鍊嬪柈鐗囩郴绲�(t菕ng)锛屽洜鐐烘暣鍊嬫帶鍒舵墍闇€鐨勫悇绋姛鑳介兘鍙敱DSP鑺墖渚嗗鐝�(xi脿n)銆傚洜姝�锛屽彲浠ユ笡灏忕洰妯欑郴绲�(t菕ng)鐨勯珨绌嶏紝娓涘皯澶栭儴鍏冧欢鐨勫€嬫暩(sh霉)锛屽鍔犵郴绲�(t菕ng)鐨勫彲闈犳€с€傚皪浜庨偅浜涙€ц兘鍜岀簿搴﹁姹傞珮銆佸鏅傛€у挤銆侀珨绌嶅皬鐨勫牬鍚�锛屽熀浜嶥SP鑺墖渚嗘(g貌u)鎴愭帶鍒剁郴绲�(t菕ng)鏄叿鏈夊緢楂樻€ц兘鍍规牸姣旂殑瀵︾従(xi脿n)鏂规硶銆� 鍙冭€冩枃鐛伙細 銆€銆€[1] 姹熸€濇晱. TMS320LF240xDSP纭欢闁嬬櫦(f膩)鏁欑▼[M].鍖椾含锛氭姊板伐妤�(y猫)鍑虹増绀撅紝2003. 銆€銆€[2] 闊撳畨澶�锛屽妷宄欓锛岄粌娴�. DSP鎺у埗鍘熺悊鍙婂叾鍦ㄩ亱鍕曟帶鍒剁郴绲�(t菕ng)涓殑鎳夌敤[M].鍖椾含锛氭竻鑿ぇ瀛稿嚭鐗堢ぞ锛�2003. 銆€銆€[3] HD7279A涓枃鎶€琛�(sh霉)鎵嬪唺.2003. 銆€銆€[4] 娌欏崰鍙�. 闆嗘垚鍖栨櫤鑳藉偝鎰熷櫒鍘熺悊鑸囨噳鐢╗M].鍖椾含锛氶浕瀛愬伐妤�(y猫)鍑虹増绀撅紝2004. 銆€銆€[5] 鐜嬬弬锛屽嫉骞藉饯. 澶╃劧姘ｇ櫦(f膩)鍕曟鎶€琛�(sh霉)鐧�(f膩)灞曠殑鐮旂┒[J].杌婅紱鑸囧嫊鍔涙妧琛�(sh霉)锛�2000.4