闆欏彛RAM CY7C026鍦ㄩ珮閫熸暩(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)涓殑鎳�(y墨ng)鐢�
鏅�(sh铆)闁擄細2008-05-09 10:29:00渚�(l谩i)婧愶細ronggang
灏�(d菐o)瑾�(y菙)锛�?鍒╃敤闆欏彛RAM CY7C026鐨勯珮閫熸暩(sh霉)鎿�(j霉)鍌宠几鑳藉姏鍜孌SP TMS320VC5402鐨勯珮閫熸€ц兘鑳藉婊胯冻楂橀€熸暩(sh霉)鎿�(j霉)鍌宠几?sh霉)鍥婎€�?锛屽悓鏅�(sh铆)鑳藉瀹屾垚澶ч噺寰�(f霉)闆滅殑鏁�(sh霉)鎿�(j霉)铏曠悊宸ヤ綔锛屽緸鑰屽吋椤т簡鏁�(sh霉)鎿�(j霉)鍌宠几铏曠悊鎵€闇€瑕佺殑澶у悶鍚愰噺鍜岄珮閫熸€�
寮曡█
銆€銆€鐢卞伐妤�(y猫)瑷�(j矛)绠楁(j墨)閫氶亷(gu貌)PCI绺界窔鎺у埗鐨勫墠绔暩(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)鍦ㄥ伐妤�(y猫)鎺у埗闋�(l菒ng)鍩熶腑寰楀埌浜嗗唬娉涚殑鎳�(y墨ng)鐢�锛屼竴鑸殑鏁�(sh霉)鎿�(j霉)鍌抽€佺郴绲�(t菕ng)鍦ㄥぇ鏁�(sh霉)鎿�(j霉)閲忕殑鎯呮硜涓嬫渻(hu矛)閫犳垚鏁�(sh霉)鎿�(j霉)鍫靛鐝�(xi脿n)璞°€傚湪绯荤当(t菕ng)瑷�(sh猫)瑷�(j矛)鐨勯亷(gu貌)绋嬩腑缍�(j墨ng)閬�(gu貌)澶氭柟闈㈢殑姣旇純锛屾渶鍚庨噰鐢ㄩ珮鏁�(sh霉)闆欏彛RAM妲�(g貌u)鎴愮殑楂橀€熸暩(sh霉)鎿�(j霉)浜ゆ彌鎺ュ彛鎴愬姛鍦拌В姹轰簡姝ゅ晱(w猫n)椤屻€�
銆€銆€CY7C026鏄疌YPRESS鍏徃鐢熺敘(ch菐n)鐨�16K脳16楂橀€熼洐鍙i潨鎱�(t脿i)RAM锛屽瓨鍙栭€熷害灏忎簬25ns銆傚畠鍏锋湁鐪熸鐨勯洐绔彛锛屽彲浠ュ悓鏅�(sh铆)閫�(j矛n)琛屾暩(sh霉)鎿�(j霉)瀛樺彇锛屽叐鍊�(g猫)绔彛鍏锋湁鐛�(d煤)绔嬬殑鎺у埗淇¤櫉(h脿o)绶�銆佸湴鍧€绶氬拰鏁�(sh霉)鎿�(j霉)绶�锛屽彟澶栭€氶亷(gu貌)涓�/寰為伕鎿囧彲浠ユ柟渚垮湴?c谩i)U(ku貌)瀛樺劜(ch菙)瀹归噺鍜屾暩(sh霉)鎿�(j霉)瀵害銆傞€氶亷(gu貌)鑺墖鐨勪俊铏�(h脿o)閲忔(bi膩o)蹇楀櫒锛屽乏銆佸彸鍏╃鍙e彲浠ュ(sh铆)鐝�(xi脿n)鑺墖璩囨簮鐨勫叡浜�銆侰Y7C026鑺墖鐨勭鑵宠(shu艒)鏄庡弮瑕�(ji脿n)琛�1锛屽収(n猫i)閮ㄥ姛鑳芥鍦栬(ji脿n)鍦�1銆�
CY7C026鐨勫伐浣滃師鐞�
銆€銆€鈼� 瀛樺彇鍘熺悊
銆€銆€鐢盋Y7C026鐨勫収(n猫i)閮ㄧ祼(ji茅)妲�(g貌u)鍦栧彲浠ョ湅鍑�锛岃┎鑺墖鐨勬牳蹇冮儴鍒嗘槸闆欑鍙e瓨鍎�(ch菙)闄e垪锛屽乏鍙冲叐鍊�(g猫)绔彛鍙互鍏辩敤瑭插瓨鍎�(ch菙)闄e垪锛屽苟涓旀搧鏈夊悇鑷殑鎺у埗绶�锛屽湪鍠崹(d煤)瀛樺彇鏁�(sh霉)鎿�(j霉)鏅�(sh铆)锛屽拰鏅€氱殑RAM鐩稿悓銆傚悓鏅�(sh铆)璁€鍙栦笉鍚屽瓨鍎�(ch菙)绌洪枔鐨勬暩(sh霉)鎿�(j霉)鍜屽悓鏅�(sh铆)璁€鍙栫浉鍚屾暩(sh霉)鎿�(j霉)绌洪枔鐨勬暩(sh霉)鎿�(j霉)鏅�(sh铆)锛屽乏鍙崇鍙e彲浠ュ悓鏅�(sh铆)閫�(j矛n)琛屻€傝嫢鍚屾檪(sh铆)灏�(du矛)鐩稿悓鐨勬暩(sh霉)鎿�(j霉)绌洪枔鍋氬鎿嶄綔锛屾垨涓€绔彛灏�(du矛)涓€鏁�(sh霉)鎿�(j霉)绌洪枔浣滆畝鎿嶄綔鐨勫悓鏅�(sh铆)鍙︿竴绔彛灏�(du矛)瑭叉暩(sh霉)鎿�(j霉)绌洪枔浣滃鎿嶄綔锛屽乏鍙崇鍙e皣鐧�(f膩)鐢熸矕绐�銆傜偤姝わ紝CY7C026閫氶亷(gu貌)BUSY绠¤叧渚�(l谩i)铏曠悊閫欏叐绋儏娉�銆�
銆€銆€鐣�(d膩ng)宸﹀彸绔彛灏�(du矛)涓嶅悓瀛樺劜(ch菙)绌洪枔閫�(j矛n)琛岃畝瀵搷浣滄檪(sh铆)锛屽彲鍚屾檪(sh铆)瀛樺彇銆傛鏅�(sh铆)锛屽乏鍙崇鍙g殑BUSY淇¤櫉(h脿o)鍚屾檪(sh铆)缃珮銆傝嫢灏�(du矛)鍚屼竴瀛樺劜(ch菙)绌洪枔鍚屾檪(sh铆)閫�(j矛n)琛屽瓨鍎�(ch菙)鎿嶄綔鏅�(sh铆)锛屽摢涓€绔殑瀛樺劜(ch菙)璜�(q菒ng)姹備俊铏�(h脿o)鍏堝嚭鐝�(xi脿n)锛屽墖瑭茬鐨凚USY淇¤櫉(h脿o)缃珮锛屽厑瑷卞瓨鍎�(ch菙)銆傚摢涓€绔殑瀛樺劜(ch菙)淇¤櫉(h脿o)鍑虹従(xi脿n)鍦ㄥ悗锛屽墖閫欎竴绔疊USY淇¤櫉(h脿o)缃綆锛岀姝㈠瓨鍎�(ch菙)銆�
銆€銆€鍊煎緱娉ㄦ剰鐨勬槸锛屽乏鍙冲叐绔瓨鍙栬珛(q菒ng)姹備俊铏�(h脿o)鍑虹従(xi脿n)鐨勬檪(sh铆)闁撳樊蹇呴爤澶т簬5ns锛屼笉鐒朵徊瑁侀倧杓劇(w煤)娉曞垽鏂峰摢涓€閭婄殑瀛樺彇璜�(q菒ng)姹備俊铏�(h脿o)鍑虹従(xi脿n)鍦ㄥ墠銆傚鏋滃嚭鐝�(xi脿n)鍏╃瀛樺彇璜�(q菒ng)姹備俊铏�(h脿o)鍑虹従(xi脿n)鐨勬檪(sh铆)闁撳樊灏忎簬5ns鐨勬儏娉�锛屼徊瑁侀倧杓皣涓€閭婄殑BUSY淇¤櫉(h脿o)缃珮锛屽皣鍙︿竴閭婄殑BUSY淇¤櫉(h脿o)缃綆锛屽緸鑰屼繚璀夊叐鍊�(g猫)绔彛涓€鍊�(g猫)鍩�(zh铆)琛屾暩(sh霉)鎿�(j霉)瀛樺劜(ch菙)锛屽彟涓€绔彛閫�(j矛n)琛屾暩(sh霉)鎿�(j霉)璁€鍙栵紝閬垮厤浜嗘矕绐併€�
銆€銆€鈼� 涓柗鍔熻兘鍜屼富/寰炴ā寮忕殑浣跨敤
銆€銆€CY7C026鑺墖鐨勪腑鏂峰姛鑳芥槸閫氶亷(gu貌)鈥滀俊绠扁€濅締(l谩i)瀵�(sh铆)鐝�(xi脿n)鐨�銆傛墍璎傜殑鈥滀俊绠扁€濇槸鎸囪姱鐗囧皣瀛樺劜(ch菙)鍣ㄧ殑楂樺湴鍧€3FFF浣滅偤宸︾鍙g殑鈥滀俊绠扁€濓紝鑰�3FFE浣滅偤鍙崇鍙g殑鈥滀俊绠扁€�銆備笅闈互宸︾鍙e悜鍙崇鍙e偝閫佹暩(sh霉)鎿�(j霉)鐐轰緥锛岃(shu艒)鏄庝腑鏂峰姛鑳界殑鐢ㄦ硶銆傜暥(d膩ng)宸︾鍙e皣鏁�(sh霉)鎿�(j霉)瀵叆鍙崇鍙g殑鈥滈兊绠扁€濇檪(sh铆)锛屽彸绔彛鐨処NTR绠¤叧灏辨渻(hu矛)鐢�(ch菐n)鐢熶腑鏂蜂俊铏�(h脿o)锛屽嵆INTR绠¤叧缃綆銆傚彸绔彛璁€鍙栬┎鏁�(sh霉)鎿�(j霉)鍚庝腑鏂蜂俊铏�(h脿o)鑷嫊(d貌ng)寰�(f霉)浣�銆傚彸绔彛鍚戝乏绔彛鍌抽€佹暩(sh霉)鎿�(j霉)鐨勬儏娉佽垏涓婅堪鎯呮硜鐩稿悓銆傜敤鎴堕渶瑕佹竻妤氱殑鏄�锛岃┎鍔熻兘鍙仼鐢ㄤ簬鏁�(sh霉)鎿�(j霉)鐨勪綆閫熷偝閫�銆�
銆€銆€瀵�(sh铆)闅涗腑锛屾暩(sh霉)鎿�(j霉)鐨勫搴﹀線寰€澶т簬16浣�銆傞€欐檪(sh铆)灏遍渶瑕佹摯(ku貌)灞曟暩(sh霉)鎿�(j霉)浣嶇殑瀵害锛孋Y7C026鐨凪/S绠¤叧鎻愪緵浜嗘暩(sh霉)鎿�(j霉)鎿�(ku貌)灞曠殑鍔熻兘銆備緥濡�锛屽(sh铆)闅涙噳(y墨ng)鐢ㄤ腑缍�(j墨ng)甯搁渶瑕�32浣嶇殑鏁�(sh霉)鎿�(j霉)绺界窔锛屽彲浠ュ皣涓€鐗嘋Y7C026鐨凪/S绠¤叧缃綆锛屽彟涓€鐗囩殑M/S绠¤叧缃珮锛岀劧鍚庡皣鍏╁鑺墖鐨勭鑵抽€f帴鍦ㄤ竴璧峰嵆鍙�銆�

楂橀€熸暩(sh霉)鎿�(j霉)閲囬泦鍜屽偝杓哥郴绲�(t菕ng)妗嗗湒
銆€銆€鈼� 淇¤櫉(h脿o)閲忔(bi膩o)蹇楀櫒鐨勪娇鐢�
銆€銆€淇¤櫉(h脿o)閲忔(bi膩o)蹇楀櫒鏄┎鑺墖鎵€鎿佹湁鐨勬渶鍏风壒鑹茬殑鍔熻兘锛屽埄鐢ㄩ€欑ó鍔熻兘鍙互瀵�(sh铆)鐝�(xi脿n)鐗囧収(n猫i)璩囨簮鐨勫叡浜�銆侰Y7C026鐐哄(sh铆)鐝�(xi脿n)瑭插姛鑳�锛屾彁渚涗簡鍏€�(g猫)妯�(bi膩o)蹇楅帠瀛樺櫒锛屾瘡鍊�(g猫)閹栧瓨鍣ㄥ皪(du矛)鎳�(y墨ng)涓€鍊�(g猫)淇¤櫉(h脿o)閲忔(bi膩o)蹇楀櫒銆備娇鐢ㄤ俊铏�(h脿o)閲忔(bi膩o)蹇楀櫒鐨勯亷(gu貌)绋嬫槸棣栧厛灏嘢EM绠¤叧缃綆锛孋E绠¤叧缃珮锛岀劧鍚庨€氶亷(gu貌)A0锝濧2涓夋鍦板潃绶氫締(l谩i)閬告搰鐩告噳(y墨ng)鐨勬(bi膩o)蹇楅帠瀛樺櫒锛屾暩(sh霉)鎿�(j霉)鐨勫瓨鍙栭€氶亷(gu貌)灏�(du矛)I/O0鎿嶄綔渚�(l谩i)瀵�(sh铆)鐝�(xi脿n)銆傛暩(sh霉)鎿�(j霉)瀛樺彇閬�(gu貌)绋嬩腑锛孯/W鍜孫E鐨勪娇鐢ㄦ柟寮忚垏瀛樺彇鏅€氬瓨鍎�(ch菙)鍣ㄧ殑浣跨敤鏂瑰紡鐩稿悓銆傝姱鐗囦笂闆诲悗锛屽乏銆佸彸绔彛鐨勬(bi膩o)蹇楀櫒閮借檿浜庣┖闁戠媭鎱�(t脿i)銆傞€欐檪(sh铆)宸﹀彸鍏╃鍙i兘鍙互閫氶亷(gu貌)灏�(du矛)浠绘剰妯�(bi膩o)蹇楅帠瀛樺櫒瀵€�0鈥濅締(l谩i)鎻愬嚭浣跨敤瑭蹭俊铏�(h脿o)閲忔(bi膩o)蹇楀櫒鐨勮珛(q菒ng)姹傘€傜劧鍚庤畝鍙栬┎淇¤櫉(h脿o)閲忔(bi膩o)蹇楀櫒鐨勫€间締(l谩i)纰哄畾鏄惁鐛插緱浣跨敤娆�(qu谩n)锛屽鏋滆畝鍥炵殑鍊肩偤鈥�0鈥濆墖瑾�(shu艒)鏄庤┎绔彛鐛插緱浣跨敤娆�(qu谩n)锛岀偤鈥�1鈥濆墖瑾�(shu艒)鏄庡彟涓€绔彛宸茬嵅寰椾簡瑭叉(bi膩o)蹇楀櫒鐨勪娇鐢ㄦ瑠(qu谩n)銆傜嵅寰椾娇鐢ㄦ瑠(qu谩n)鐨勭鍙e彧鏈夊皪(du矛)鍏舵墍浣跨敤鐨勬(bi膩o)蹇楅帠瀛樺櫒瀵€�1鈥濆悗锛屾墠鑳芥斁妫勮┎淇¤櫉(h脿o)閲忔(bi膩o)蹇楀櫒鐨勪娇鐢ㄦ瑠(qu谩n)銆傚鏋滃彟涓€绔彛鍦ㄥ畠鏀炬浣跨敤娆�(qu谩n)浠ュ墠鎻愬嚭閬�(gu貌)浣跨敤瑭蹭俊铏�(h脿o)閲忔(bi膩o)蹇楀櫒鐨勮珛(q菒ng)姹傦紝閭d箞鐣�(d膩ng)鍓嶇鍙f斁妫勪娇鐢ㄦ瑠(qu谩n)鍚�锛屽彟涓€绔彛绔嬪嵆鐛插緱瑭蹭俊铏�(h脿o)閲忔(bi膩o)蹇楀櫒鐨勪娇鐢ㄦ瑠(qu谩n)銆傜浉鍙嶏紝濡傛灉鍙︿竴鍊�(g猫)绔彛娌�(m茅i)鏈夋彁鍑洪亷(gu貌)璜�(q菒ng)姹�锛屽墖瑭蹭俊铏�(h脿o)閲忔(bi膩o)蹇楀櫒铏曚簬绌洪枒鐙€鎱�(t脿i)銆�
銆€銆€CY7C026鍦ㄦ暩(sh霉)鎿�(j霉)鍌宠几绯荤当(t菕ng)涓殑鎳�(y墨ng)鐢�
銆€銆€鎵€瑷�(sh猫)瑷�(j矛)鐨勭郴绲�(t菕ng)鏄煶娌规脯(c猫)浜曡ō(sh猫)鍌欑殑涓€鍊�(g猫)瀛愮郴绲�(t菕ng)锛岀郴绲�(t菕ng)浠MS320C5402鐐轰富铏曠悊鍣�锛岄€氶亷(gu貌)闆欏彛RAM CY7C026浣滅偤鏁�(sh霉)鎿�(j霉)鍏变韩鐨勬帴鍙�銆傚叾涓昏鍔熻兘鏄帴鏀跺伐妤�(y猫)瑷�(j矛)绠楁(j墨)閫氶亷(gu貌)CPCI鎺ュ彛瀵叆闆欏彛RAM鐨勫懡浠�锛孌SP灏囪┎鍛戒护涓嬬櫦(f膩)鍒颁簳涓嬪剙鍣�锛岀浉鎳�(y墨ng)鐨勪簳涓嬪剙鍣ㄦ帴鏀跺埌鍛戒护鍚�锛岄噰闆嗕簳涓嬫暩(sh霉)鎿�(j霉)锛岀劧鍚庡皣鏁�(sh霉)鎿�(j霉)鍌抽€佸埌DSP涓�锛岀稉(j墨ng)閬�(gu貌)DSP铏曠悊鍚庣殑鏁�(sh霉)鎿�(j霉)瀵叆闆欏彛RAM銆傛渶鍚�锛屽伐妤�(y猫)瑷�(j矛)绠楁(j墨)閫氶亷(gu貌)CPCI鎺ュ彛灏囬洐鍙AM涓殑鏁�(sh霉)鎿�(j霉)鍌抽€佸埌瑷�(j矛)绠楁(j墨)涓綔椤ず铏曠悊銆傜郴绲�(t菕ng)妗嗗湒濡傚湒2鎵€绀恒€�
绲�(ji茅)鏉熻獮(y菙)
銆€銆€鍒╃敤闆欏彛RAM CY7C026鐨勯珮閫熸暩(sh霉)鎿�(j霉)鍌宠几鑳藉姏鍜孌SP TMS320VC5402鐨勯珮閫熸€ц兘鑳藉婊胯冻楂橀€熸暩(sh霉)鎿�(j霉)鍌宠几?sh霉)鍥婎€�?锛屽悓鏅�(sh铆)鑳藉瀹屾垚澶ч噺寰�(f霉)闆滅殑鏁�(sh霉)鎿�(j霉)铏曠悊宸ヤ綔锛屽緸鑰屽吋椤т簡鏁�(sh霉)鎿�(j霉)鍌宠几铏曠悊鎵€闇€瑕佺殑澶у悶鍚愰噺鍜岄珮閫熸€�銆�