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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不娉ㄥ唺

8253鑺墖
闁辫畝锛�8287鏅傞枔锛�2017-09-21 09:35:05

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鍩烘湰姒傝堪

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宸ヤ綔鍘熺悊

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    2.璁�/瀵帶鍒�
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    3.閫氶亾閬告搰
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    4.瑷堟暩(sh霉)閫氶亾0锝�
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    8253鐨勪竴鍊嬫柟寮忔帶鍒跺瓧鍙焙瀹氫竴鍊嬫妧琛�(sh霉)閫氶亾鐨勫伐浣滄ā寮�銆�
    浜屻��8253鐨勯�氶亾宸ヤ綔鏂瑰紡
    8253涓悇閫氶亾鍙湁6绋彲渚涢伕鎿囩殑宸ヤ綔鏂瑰紡锛� 浠ュ畬鎴愬畾鏅傘�佽▓鏁�(sh霉)鎴栬剤娌栫櫦(f膩)鐢熷櫒绛夊绋姛鑳�銆�8253鐨勫悇绋伐浣滄柟寮忓涓嬶細
    1.鏂瑰紡0锛氳▓鏁�(sh霉)绲�(ji茅)鏉熷墖涓柗
    宸ヤ綔鏂瑰紡0琚ū鐐鸿▓鏁�(sh霉)绲�(ji茅)鏉熶腑鏂锋柟寮�銆傜暥(d膩ng)浠讳竴閫氶亾琚畾缇╃偤宸ヤ綔鏂瑰紡0鏅�锛� OUTi杓稿嚭鐐轰綆闆诲钩锛涜嫢闁�鎺т俊铏烥ATE鐐洪珮闆诲钩锛岀暥(d膩ng)CPU鍒╃敤杓稿嚭鎸囦护鍚戣┎閫氶亾瀵叆瑷堟暩(sh霉)鍊糤R#鏈夋晥鏅�锛孫UTi浠嶄繚鎸佷綆闆诲钩锛岀劧鍚庤▓鏁�(sh霉)鍣ㄩ枊濮嬫笡鈥�1鈥濊▓鏁�(sh霉)锛� 鐩村埌瑷堟暩(sh霉)鍊肩偤鈥�0鈥濓紝姝ゅ埢OUTi灏囪几鍑虹敱浣庨浕骞冲悜楂橀浕骞宠烦璁�锛屽彲鐢ㄥ畠鍚慍PU鐧�(f膩)鍑轰腑鏂疯珛姹�锛孫UTi绔几鍑虹殑楂橀浕骞充竴鐩寸董鎸佸埌涓嬫鍐嶅鍏ヨ▓鏁�(sh霉)鍊肩偤姝�銆�
    鍦ㄥ伐浣滄柟寮�0鎯呮硜涓�锛岄杸鎺т俊铏烥ATE鐢ㄤ締鎺у埗娓涒��1鈥濊▓鏁�(sh霉)鎿嶄綔鏄惁閫茶銆傜暥(d膩ng)GATE=1鏅傦紝鍏佽ū娓涒��1鈥濊▓鏁�(sh霉)锛汫ATE=0鏅�锛岀姝㈡笡鈥�1鈥濊▓鏁�(sh霉)锛� 瑷堟暩(sh霉)鍊煎皣淇濇寔GATE鏈夋晥鏅傜殑鏁�(sh霉)鍊间笉璁�锛� 寰匞ATE閲嶆柊鏈夋晥鍚�锛屾笡鈥�1鈥濊▓鏁�(sh霉)绻肩簩(x霉)閫茶銆�
    椤劧锛屽埄鐢ㄥ伐浣滄柟寮�0鏃㈠彲瀹屾垚瑷堟暩(sh霉)鍔熻兘锛� 涔熷彲瀹屾垚瀹氭檪鍔熻兘銆傜暥(d膩ng)鐢ㄤ綔瑷堟暩(sh霉)鍣ㄦ檪锛屾噳(y墨ng)灏囪姹傝▓鏁�(sh霉)鐨勬鏁�(sh霉)闋�(y霉)缃埌瑷堟暩(sh霉)鍣ㄤ腑锛屽皣瑕佹眰瑷堟暩(sh霉)鐨勪簨浠朵互鑴堟矕鏂瑰紡寰濩LKi绔几鍏�锛� 鐢卞畠灏嶈▓鏁�(sh霉)鍣ㄩ�茶娓涒��1鈥濊▓鏁�(sh霉)锛岀洿鍒拌▓鏁�(sh霉)鍊肩偤0锛屾鍒籓UTi杓稿嚭姝ｈ烦璁�锛� 琛ㄧず瑷堟暩(sh霉)娆℃暩(sh霉)鍒般�傜暥(d膩ng)鐢ㄤ綔瀹氭檪鍣ㄦ檪锛屾噳(y墨ng)鎶婃牴鎿�(j霉)瑕佹眰瀹氭檪鐨勬檪闁撳拰CLKi鐨勫懆鏈熻▓绠楀嚭瀹氭檪绯绘暩(sh霉)锛岄爯(y霉)缃埌瑷堟暩(sh霉)鍣ㄤ腑銆傚緸CLKi锛岃几鍏ョ殑鎳�(y墨ng)鏄竴瀹氶牷鐜囩殑鏅傞悩鑴堟矕锛岀敱瀹冨皪瑷堟暩(sh霉)鍣ㄩ�茶娓涒��1鈥濊▓鏁�(sh霉)锛� 瀹氭檪鏅傞枔寰炲鍏ヨ▓鏁�(sh霉)鍊奸枊濮嬶紝鍒拌▓鏁�(sh霉)鍊艰▓鍒扳��0鈥濈偤姝�锛岄�欐檪OUTi杓稿嚭姝ｈ烦璁婏紝琛ㄧず瀹氭檪鏅傞枔鍒�銆�
    鏈変竴榛為渶瑕佽鏄庯紝浠讳竴閫氶亾宸ヤ綔鍦ㄦ柟寮�0鎯呮硜涓�锛� 瑷堟暩(sh霉)鍣ㄥ垵鍊间竴娆℃湁鏁堬紝缍�(j墨ng)閬庝竴娆¤▓鏁�(sh霉)鎴栧畾鏅傚悗濡傛灉闇�瑕佺辜绾�(x霉)瀹屾垚瑷堟暩(sh霉)鎴栧畾鏅傚姛鑳�锛屽繀闋堥噸鏂板鍏ヨ▓鏁�(sh霉)鍣ㄧ殑鍒濆�笺��
    2.鏂瑰紡1锛氬柈鑴堟矕鐧�(f膩)鐢熷櫒
    宸ヤ綔鏂瑰紡1琚ū浣滃彲绶ㄧ▼鍠剤娌栫櫦(f膩)鐢熷櫒銆傞�插叆閫欑ó宸ヤ綔鏂瑰紡锛� CPU瑁濆叆瑷堟暩(sh霉)鍊糿鍚嶰UTi杓稿嚭楂橀浕骞�锛� 涓嶇姝ゆ檪鐨凣ATE杓稿叆鏄珮闆诲钩閭勬槸浣庨浕骞筹紝 閮戒笉闁嬪娓涒��1鈥濊▓鏁�(sh霉)锛屽繀闋堢瓑鍒癎ATE鐢变綆闆诲钩鍚戦珮闆诲钩璺宠畩褰㈡垚涓�鍊嬩笂鍗囨部鍚�锛岃▓鏁�(sh霉)閬庣▼鎵嶆渻闁嬪銆傝垏姝ゅ悓鏅�锛孫UTi杓稿嚭鐢遍珮闆诲钩鍚戜綆闆诲钩璺宠畩锛屽舰鎴愪簡杓稿嚭鍠剤娌栫殑鍓嶆部锛屽緟瑷堟暩(sh霉)鍊艰▓鍒扳��0鈥濓紝 OUTi杓稿嚭鐢变綆闆诲钩鍚戦珮闆诲钩璺宠畩锛屽舰鎴愯几鍑哄柈鑴堟矕鐨勫悗娌匡紝 鍥犳锛岀敱鏂瑰紡l鎵�鑳借几鍑哄柈鑴堟矕鐨勫搴︾偤CLKi鍛ㄦ湡鐨刵鍊�銆�
    濡傛灉鍦ㄦ笡鈥�1鈥濊▓鏁�(sh霉)閬庣▼涓�锛� GATE鐢遍珮闆诲钩璺宠畩?y艒u)姒堢濮�?锛岄�欏苟涓嶅奖闊胯▓鏁�(sh霉)閬庣▼锛屼粛绻肩簩(x霉)瑷堟暩(sh霉)锛涗絾鑻ラ噸鏂伴亣鍒癎ATE鐨勪笂鍗囨部锛屽墖寰炲垵鍊奸枊濮嬮噸鏂拌▓鏁�(sh霉)锛� 鍏舵晥鏋滄渻浣胯几鍑虹殑鍠剤娌栧姞瀵�锛屽鏁欐潗鍦�9-22(b)涓殑绗�2鍊嬪柈鑴堟矕銆�
    閫欑ó宸ヤ綔鏂瑰紡涓�锛岃▓鏁�(sh霉)鍊间篃鏄竴娆℃湁鏁堬紝姣忚几鍏ヤ竴娆¤▓鏁�(sh霉)鍊�锛屽彧鐢�(ch菐n)鐢熶竴鍊嬭矤妤垫�у柈鑴堟矕銆�
    3.鏂瑰紡2锛氶�熺巼娉㈢櫦(f膩)鐢熷櫒
    宸ヤ綔鏂瑰紡2琚ū浣滈�熺巼娉㈢櫦(f膩)鐢熷櫒銆傞�插叆閫欑ó宸ヤ綔鏂瑰紡锛� OUTi杓稿嚭楂橀浕骞筹紝瑁濆叆瑷堟暩(sh霉)鍊糿鍚庡鏋淕ATE鐐洪珮闆诲钩锛屽墖绔嬪嵆闁嬪瑷堟暩(sh霉)锛孫UTi淇濇寔鐐洪珮闆诲钩涓嶈畩锛� 寰呰▓鏁�(sh霉)鍊兼笡鍒扳��1鈥濆拰鈥�0鈥濅箣闁�锛� OUTi灏囪几鍑哄搴︾偤涓�鍊婥LKi鍛ㄦ湡鐨勮矤鑴堟矕锛岃▓鏁�(sh霉)鍊肩偤鈥�0鈥濇檪锛岃嚜鍕曢噸鏂拌鍏ヨ▓鏁�(sh霉)鍒濆�糿锛屽鐝�(xi脿n)寰挵(hu谩n)瑷堟暩(sh霉)锛孫UTi灏囪几鍑轰竴瀹氶牷鐜囩殑璨犺剤娌栧簭鍒�锛� 鍏惰剤娌栧搴﹀浐瀹氱偤涓�鍊婥LKi鍛ㄦ湡锛� 閲嶅京(f霉)鍛ㄦ湡鐐篊LKi鍛ㄦ湡鐨刵鍊嶃��
    濡傛灉鍦ㄦ笡鈥�1鈥濊▓鏁�(sh霉)閬庣▼涓�锛孏ATE璁�?y艒u)闂妎鏁堬紙杓稿叆0闆诲钩锛�锛屽墖鏆仠娓涒��1鈥濊▓鏁�(sh霉)锛屽緟GATE鎭㈠京(f霉)鏈夋晥鍚�锛屽緸鍒濆�糿闁嬪閲嶆柊瑷堟暩(sh霉)銆傞�欐ǎ鏈冩敼璁婅几鍑鸿剤娌栫殑閫熺巼銆�
    濡傛灉鍦ㄦ搷浣滈亷绋嬩腑瑕佹眰鏀硅畩杓稿嚭鑴堟矕鐨勯�熺巼锛孋PU鍙湪浠讳綍鏅傚��锛岄噸鏂板鍏ユ柊鐨勮▓鏁�(sh霉)鍊�锛� 瀹冧笉鏈冨奖闊挎鍦ㄩ�茶鐨勬笡鈥�1鈥濊▓鏁�(sh霉)閬庣▼锛岃�屾槸寰炰笅涓�鍊嬭▓鏁�(sh霉)鎿嶄綔鐢ㄦ湡闁嬪鎸夋柊鐨勮▓鏁�(sh霉)鍊兼敼璁婅几鍑鸿剤娌栫殑閫熺巼銆�
    4.鏂瑰紡3锛氭柟娉㈢櫦(f膩)鐢熷櫒
    宸ヤ綔鏂瑰紡3琚ū浣滄柟娉㈢櫦(f膩)鐢熷櫒銆備换涓�閫氶亾宸ヤ綔鍦ㄦ柟寮�3锛� 鍙湪瑷堟暩(sh霉)鍊糿鐐哄伓鏁�(sh霉)锛屽墖鍙几鍑洪噸寰�(f霉)鍛ㄦ湡鐐簄銆佸崰绌烘瘮鐐�1锛�1鐨勬柟娉�銆�
    閫插叆宸ヤ綔鏂瑰紡3锛孫UTi杓稿嚭浣庨浕骞�锛� 瑁濆叆瑷堟暩(sh霉)鍊煎悗锛孫UTi绔嬪嵆璺宠畩?y艒u)妤﹀敔濞栧仴锛ㄧ换顛�?d膩ng)GATE鐐洪珮闆诲钩锛� 鍓囩珛鍗抽枊濮嬫笡鈥�1鈥濊▓鏁�(sh霉)锛孫UTi淇濇寔鐐洪珮闆诲钩锛岃嫢n鐐哄伓鏁�(sh霉)锛屽墖鐣�(d膩ng)瑷堟暩(sh霉)鍊兼笡鍒皀/2鏅�锛孫UTi璺宠畩?y艒u)姒堢濞�?锛屼竴鐩翠繚鎸佸埌瑷�?sh霉)鍊肩偤鈥�0鈥�锛岀郴绲�(t菕ng)鎵嶈嚜鍕曢噸鏂扮疆鍏ヨ▓鏁�(sh霉)鍊糿锛屽鐝�(xi脿n)寰挵(hu谩n)瑷堟暩(sh霉)銆傞�欐檪OUTi绔几鍑虹殑鍛ㄦ湡鐐簄脳CLKi鍛ㄦ湡锛屽崰绌烘瘮鐐�1:1鐨勬柟娉㈠簭鍒�锛� 鑻鐐哄鏁�(sh霉)锛� 鍓嘜UTi绔几鍑哄懆鏈熺偤n脳CLKi鍛ㄦ湡锛屽崰绌烘瘮鐐�((n+1)/2)/((n-1)/2)鐨勮繎浼兼柟娉㈠簭鍒�銆�
    濡傛灉鍦ㄦ搷浣滈亷绋嬩腑锛� GATE璁�?y艒u)闂妎鏁�锛屽墖鏆仠娓涒��1鈥濊▓鏁�(sh霉)閬庣▼锛岀洿鍒癎ATE鍐嶆鏈夋晥锛岄噸鏂板緸鍒濆�糿闁嬪娓涒�渓(f膩)鈥濊▓鏁�(sh霉)銆�
    濡傛灉瑕佹眰鏀硅畩杓稿嚭鏂规尝鐨勯�熺巼锛� 鍓嘋PU鍙湪浠讳綍鏅傚�欓噸鏂拌鍏ユ柊鐨勮▓鏁�(sh霉)鍒濆�糿锛屽苟寰炰笅涓�鍊嬭▓鏁�(sh霉)鎿嶄綔鍛ㄦ湡闁嬪鏀硅畩杓稿嚭鏂规尝鐨勯�熺巼銆�
    5.鏂瑰紡4锛氳粺浠惰Ц鐧�(f膩)鏂瑰紡瑷堟暩(sh霉)
    宸ヤ綔鏂瑰紡4琚ū浣滆粺浠惰Ц鐧�(f膩)鏂瑰紡銆傞�插叆宸ヤ綔鏂瑰紡4锛孫UTi杓稿嚭楂橀浕骞�銆� 瑁濆叆瑷堟暩(sh霉)鍊糿鍚�锛� 濡傛灉GATE鐐洪珮闆诲钩锛屽墖绔嬪嵆闁嬪娓涒��1鈥濊▓鏁�(sh霉)锛岀洿鍒拌▓鏁�(sh霉)鍊兼笡鍒扳��0鈥濈偤姝�锛孫UTi杓稿嚭瀵害鐐轰竴鍊婥LKi鍛ㄦ湡鐨勮矤鑴堟矕銆傜敱杌熶欢瑁濆叆鐨勮▓鏁�(sh霉)鍊煎彧鏈変竴娆℃湁鏁堬紝濡傛灉瑕佺辜绾�(x霉)鎿嶄綔锛� 蹇呴爤閲嶆柊缃叆瑷堟暩(sh霉)鍒濆�糿銆傚鏋滃湪鎿嶄綔鐨勯亷绋嬩腑锛孏ATE璁�?y艒u)闂妎鏁�锛屽墖鍋滄娓涒��1鈥濊▓鏁�(sh霉)锛� 鍒癎ATE鍐嶆鏈夋晥鏅�锛岄噸鏂板緸鍒濆�奸枊濮嬫笡鈥�1鈥濊▓鏁�(sh霉)銆�
    椤劧锛屽埄鐢ㄩ�欑ó宸ヤ綔鏂瑰紡鍙互瀹屾垚瀹氭檪鍔熻兘锛屽畾鏅傛檪闁撳緸瑁濆叆瑷堟暩(sh霉)鍊糿闁嬪锛屽墖OUTi杓稿嚭璨犺剤娌栵紙琛ㄧず瀹氭檪鏅傞枔鍒帮級锛屽叾瀹氭檪鏅傞枔=n脳CLK鍛ㄦ湡銆� 閫欑ó宸ヤ綔鏂瑰紡涔熷彲瀹屾垚瑷堟暩(sh霉)鍔熻兘锛屽畠瑕佹眰瑷堟暩(sh霉)鐨勪簨浠朵互鑴堟矕鐨勬柟寮忓緸CLKi杓稿叆锛屽皣瑷堟暩(sh霉)娆℃暩(sh霉)浣滅偤瑷堟暩(sh霉)鍒濆�艰鍏ュ悗锛岀敱CLKi绔几鍏ョ殑瑷堟暩(sh霉)鑴堟矕閫茶娓涒��1鈥濊▓鏁�(sh霉)锛岀洿鍒拌▓鏁�(sh霉)鍊肩偤鈥�0鈥�锛岀敱OUTt绔几鍑鸿矤鑴堟矕锛堣〃绀鸿▓鏁�(sh霉)娆℃暩(sh霉)鍒帮級銆� 鐣�(d膩ng)鐒朵篃鍙埄鐢∣UTj鍚慍FU鐧�(f膩)鍑轰腑鏂疯珛姹傘�� 鍥犳宸ヤ綔鏂瑰紡4鑸囧伐浣滄柟寮�0寰堢浉浼�锛屽彧鏄柟寮�0鍦∣UTi绔几鍑烘闅庤簫淇¤櫉銆佹柟寮�4鍦∣UTi绔几鍑鸿矤鑴堟矕淇¤櫉銆�
    6.鏂瑰紡5锛氱‖浠惰Ц鐧�(f膩)鏂瑰紡瑷堟暩(sh霉)
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