鍋囧椤ず绲傜鐐烘暩(sh霉)瀛楀井閺MD锛圖igital MicromirrorDevice锛夐’绀哄櫒銆傝┎椤ず鍣ㄥ皣瑷�(j矛)绠楁(j墨)姣忓€�(g猫)鍍忕礌榛�(di菐n)鐨勫湒鍍忎俊铏�(h脿o)缍�(j墨ng)閬�(gu貌)鏁�(sh霉)瀛楀厜铏曠悊DLP锛圖igital Light Processing锛夊悗锛屽瓨鍏DRAM闆欏悜绶╁瓨鍣�锛岀暥(d膩ng)涓€骞€鍦栧儚鎺ユ敹瀹岀暍鏅�(sh铆)锛屽収(n猫i)閮ㄦ暩(sh霉)鎿�(j霉)铏曠悊闆昏矾鍚屾檪(sh铆)婵€鐧�(f膩)鍚勫儚绱犻粸(di菐n)灏�(du矛)鎳�(y墨ng)鐨勫井閺¢亱(y霉n)鍕�(d貌ng)锛屽畬鎴愪竴骞€鍦栧儚鐨勯’绀�銆侱MD椤ず鍣ㄥ嘲鍊兼暩(sh霉)瀛楅﹨(q奴)鍕�(d貌ng)闆诲涓嶈秴閬�(gu貌)33.5V锛岄浕纾佽蓟灏勫緢浣�锛屼笖鍚勫井閺$墖鍚屾檪(sh铆)椹�(q奴)鍕�(d貌ng)锛屽舰鎴愮浉浜掑共鎿剧殑鍚戝杓诲皠淇¤櫉(h脿o)锛岃В纰奸洠搴︽サ澶�锛屽緸鑰屼娇鍏舵垚鐐虹劇(w煤)淇℃伅娉勬紡鐨勯’绀哄櫒銆傛鏅�(sh铆)锛岃闋婚浕绾滅殑杓诲皠鍦ㄦ暣鍊�(g猫)瑕栭牷閫氳矾鐨勮蓟灏勪腑灏卞崰涓诲皫(d菐o)鍦颁綅銆傚鏋滃湪瑕栭牷淇¤櫉(h脿o)缍�(j墨ng)閬�(gu貌)瑕栭牷闆荤簻鍌宠几?sh霉)鏂绀哄櫒涔嬪墠灏卞皪(du矛)鍏堕€�(j矛n)琛岃檿鐞�锛屽墖鍙互鏈夋晥鍦伴檷浣庨浕纾佽蓟灏勫拰淇℃伅娉勬紡銆�
[b]1 瑕栭牷淇℃伅娉勬紡姗�(j墨)鐞嗗強瑙f焙鏂规
1.1 瑕栭牷淇℃伅鍌宠几閬�(gu貌)绋嬩腑娉勬紡姗�(j墨)鐞哰/b]
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1.2 鍩轰簬鍍忕礌鐨勫苟琛屽偝杓告柟寮�
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[b]2 绯荤当(t菕ng)纭欢瑷�(sh猫)瑷�(j矛)
2.1 绺介珨鏂规瑷�(sh猫)瑷�(j矛)[/b]
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[b]2.2 闆荤鍏煎瑷�(sh猫)瑷�(j矛)
2.2.1 淇¤櫉(h脿o)瀹屾暣鎬цō(sh猫)瑷�(j矛)[/b]
绯荤当(t菕ng)涓暩(sh霉)瀛楄闋讳俊铏�(h脿o)灏�(du矛)鍌宠几鏅�(sh铆)寤惰姹傝純楂橈紝鍦ㄥ竷绶氭檪(sh铆)锛屽叾璧扮窔鐨勮矾寰戣澶ч珨涓€鑷村苟涓旂洝閲忕煭锛屼互瀵�(sh铆)鐝�(xi脿n)灏�(du矛)鍌宠几鏅�(sh铆)寤剁殑瑕佹眰锛涘悎鐞嗗畨鎺掑幓鑰﹂浕瀹圭殑鎿烘斁浣嶇疆锛岀洝鍙兘鎺ヨ繎鎵€瑕侀€�(j矛n)琛屽幓鑰︾殑闆绘簮锛汚D9883A鑺墖鍜孉DV7125鑺墖鍛ㄥ湇闆昏矾鐨勫竷绶氳鐩″彲鑳界煭锛屽懆鍦嶇殑鍏冨櫒浠惰鐩″彲鑳藉畨鎺掔穵婀�锛屼互娓涘皬闆绘祦鐠�(hu谩n)璺潰绌�锛屽緸鑰屾笡灏忛潨闆诲共鎿�锛涙斁缃亷(gu貌)瀛旀檪(sh铆)锛屾敞鎰忎笉瑕侀亷(gu貌)瀵�锛屼互鍏嶆悕澹為彙鍍忓堡锛涢仼閰嶅崱鎵€鐢ㄧ殑闆婚樆銆侀浕瀹�銆侀浕鎰熷拰IC鑺墖鍧囩偤琛ㄩ潰甯栬鍏冧欢锛屾湁鍒╀簬鎶戝埗闆荤骞叉摼銆�
2.2.2 闆绘簮瀹屾暣鎬цō(sh猫)瑷�(j矛)
绯荤当(t菕ng)鎵€鐢ㄧ殑A锛廌杞�(zhu菐n)鎻涘櫒鑺墖銆丏锛廇杞�(zhu菐n)鎻涘櫒鑺墖灏�(du矛)闆绘簮鏈夊毚(y谩n)鏍肩殑瑕佹眰锛岄櫎浜嗚鏈夋ā鎿浕婧愬拰鏁�(sh霉)瀛楅浕婧愪箣鍒嗗锛孉D9883A閭勮鏈塒LL闆昏矾鐨勫皥闁€闆绘簮锛岃€孎PGA闆绘簮瑕佹湁鍏�(n猫i)鏍搁浕婧愬拰鏁�(sh霉)瀛楄几鍑哄紩鑵崇殑闆绘簮銆傚洜姝�锛屾暣鍊�(g猫)绯荤当(t菕ng)鐨勯浕婧愯ō(sh猫)瑷�(j矛)鏄竴鍊�(g猫)寰堝ぇ鍟�(w猫n)椤�銆傞€欓噷鐢ㄥ叐鐗嘗T1764浣滅偤FPGA鐨勫叐绋浕婧�锛岀敤鍏╃墖TPS76333浣滅偤AD9883A鐨勫叐绋浕婧�锛屼竴鐗嘥PS76333浣滅偤ADV7125鐨勯浕婧�銆傚叐濉婇仼閰嶅崱鍧� 閲囩敤鍥涘堡鏉跨祼(ji茅)妲�(g貌u)锛岄爞灞ゅ拰搴曞堡浣滅偤淇¤櫉(h脿o)鐨勮蛋绶氬堡锛屼腑闁撳堡鍒嗗垾鏄湴灞ゅ拰闆绘簮灞�锛屼互纰轰繚绯荤当(t菕ng)鍦ㄩ珮閫熼亱(y霉n)琛屾檪(sh铆)鏈夎壇濂界殑闆绘簮鐠�(hu谩n)澧�銆�
3 绯荤当(t菕ng)閭忚集瀵�(sh铆)鐝�(xi脿n)鍙婁豢鐪�
FPGA鑺墖閲囩敤Altera鍏徃Cyclone绯诲垪鑺墖EP1C6Q240C8銆侰yclone绯诲垪鑺墖鏄熀浜�1.5V锛�0.13渭m宸ヨ棟锛屽叿鏈夋檪(sh铆)閻橀帠鐩哥挵(hu谩n)锛圥LL锛夊拰灏堢敤DDR鎺ュ彛锛屾敮鎸佸绋甀锛廜妯�(bi膩o)婧�(zh菙n)鐨勮姱鐗�銆傚叾鍏�(n猫i)閮ㄥ祵鍏ヤ簡瑷卞灏堢敤纭牳妯″锛岃寤f硾鍦扮敤浜庡彲绶ㄧ▼鐗囦笂绯荤当(t菕ng)锛圫OPC锛変腑銆�
鏈郴绲�(t菕ng)灏�(du矛)楂橀€熷湒鍍忎俊铏�(h脿o)閫�(j矛n)琛岃檿鐞�锛屽伐浣滄檪(sh铆)閻樿繎100MHz銆傜偤浜嗙嵅寰楁洿濂界殑甯冪窔鏁堟灉鍜岀郴绲�(t菕ng)鎬ц兘锛屾檪(sh铆)閻樹俊铏�(h脿o)蹇呴爤缍�(j墨ng)閬�(gu貌)閹栫浉鐠�(hu谩n)鍒伴仈(d谩)鍏ㄥ眬鏅�(sh铆)閻樺竷绶氱恫(w菐ng)绲�(lu貌)銆傛湰瑷�(sh猫)瑷�(j矛)鍒╃敤Altera鍏徃鐨凪aga Wizard瑷�(sh猫)缃瓹yclone PLL鍙冩暩(sh霉)鐢熸垚IPcore锛岃В姹轰簡淇¤櫉(h脿o)鏅�(sh铆)寤剁殑鍟�(w猫n)椤�锛屽悓鏅�(sh铆)涔熸豢瓒充簡璁€鍙栬闋讳俊铏�(h脿o)鏅�(sh铆)鎵€闇€鐨勫缓绔嬨€佷繚鎸佹檪(sh铆)闁撹姹�銆傚湒3鐐轰娇鐢‵PGA鍏�(n猫i)閮≒LL灏�(du矛)杓稿叆鐨勯粸(di菐n)闋绘檪(sh铆)閻楶XCLK_AD閫�(j矛n)琛岀浉绉诲悗鐨勬尝褰�锛屽湒涓�锛宲xclk鑸囬粸(di菐n)闋诲悓闋伙紝缍�(j墨ng)鐩镐綅淇京(f霉)鍙婂箙搴﹁(b菙)鍎熷悗鐢ㄤ綔绯荤当(t菕ng)鍩烘簴(zh菙n)鏅�(sh铆)閻�锛宒elayclk鐐洪粸(di菐n)闋讳笁鍒嗛牷锛岀敤浣滃欢鏅�(sh铆)鏅�(sh铆)閻�銆�
3.1 瑕栭牷淇℃伅鏍煎紡杞�(zhu菐n)鎻涙ā濉�
鍦ㄩ噰闆嗙閬╅厤鍗′腑锛岃闋讳俊鎭敱鈥滃儚绱犲寘鈥濇牸寮忚綁(zhu菐n)鎻涚偤鈥滀綅骞抽潰鈥濇牸寮�锛屽彲鐢变竴鍊�(g猫)n脳m鐭╅櫍杞�(zhu菐n)鎻涢浕璺畬鎴愶紝鍏惰几鍏ユ暩(sh霉)鎿�(j霉)绺界窔瀵害鐐簃浣�锛岃几鍑烘暩(sh霉)鎿�(j霉)绺界窔瀵害鐐簄浣嶃€傜郴绲�(t菕ng)宸ヤ綔鏅�(sh铆)锛屾瘡娆¤閫g簩(x霉)閫�(j矛n)琛宯娆¤几鍏�锛屽嵆璁€鍏鍊�(g猫)鍍忕礌鐨勬暩(sh霉)鎿�(j霉)锛屽啀閫g簩(x霉)閫�(j矛n)琛宮娆¤几鍑�锛屽嵆鎶婇€欎簺鏁�(sh霉)鎿�(j霉)瀵埌m鍊�(g猫)浣嶅钩闈㈡墍灏�(du矛)鎳�(y墨ng)鐨勫悇鑷殑瀛樺劜(ch菙)浣嶇疆銆傛牸寮忚綁(zhu菐n)鎻涢浕璺師鐞嗗鍦�4鎵€绀�锛岄噰鐢ㄤ竴鍊�(g猫)n脳m鐨凞瑙哥櫦(f膩)鍣ㄩ櫍鍒�锛屽啀鍔犱笂鐩告噳(y墨ng)鐨勮几鍏ュ拰杓稿嚭閹栧瓨闆昏矾鍙婄媭鎱�(t脿i)姗�(j墨)鎺у埗闆昏矾锛屽嵆鍙(sh铆)鐝�(xi脿n)nxm鏁�(sh霉)鎿�(j霉)鏍煎紡杞�(zhu菐n)鎻�銆�
鐣�(d膩ng)?sh霉)瓒囧€�(g猫)鍍忕礌杓稿叆鏅�(sh铆)锛岃几鍏ユ暩(sh霉)鎿�(j霉)鐙€鎱�(t脿i)姗�(j墨)瑙哥櫦(f膩)绗琲琛孌瑙哥櫦(f膩)鍣�锛岀i鍊�(g猫)鍍忕礌鐨勭j浣嶇伆搴︿俊鎭氨琚瓨鍎�(ch菙)鍦ㄧi琛岀殑绗琺-1-j鍊�(g猫)D瑙哥櫦(f膩)鍣ㄤ腑锛坕=1锛�2锛屸€�锛宯锛宩=0锛�1锛屸€�锛宮-1锛夛紝n鍊�(g猫)鍍忕礌鍏ㄩ儴杓稿叆瀹岀暍鍚�锛宯脳m浣嶄簩閫�(j矛n)鍒朵俊鎭氨鍏ㄩ儴瀛樺劜(ch菙)鍦╪脳m鍊�(g猫)D瑙哥櫦(f膩)鍣ㄤ腑銆傛鏅�(sh铆)锛岀i琛孌瑙哥櫦(f膩)鍣ㄤ腑瀛樺劜(ch菙)鐨勬槸绗琲鍊�(g猫)鍍忕礌鐨刴浣嶇伆搴︿俊鎭紝鍗斥€滃儚绱犲寘鈥濇牸寮忎俊鎭�锛岀j鍒桪瑙哥櫦(f膩)鍣ㄤ腑瀛樺劜(ch菙)鐨勬槸n鍊�(g猫)鍍忕礌鐨勭m-1-j浣嶇伆搴︿俊鎭紝鍗斥€滀綅骞抽潰鈥濇牸寮忎俊鎭�銆傝几鍑烘暩(sh霉)鎿�(j霉)鐙€鎱�(t脿i)姗�(j墨)鎸変竴瀹氶爢搴忚几鍑烘煇涓€鍒桪瑙哥櫦(f膩)鍣ㄤ腑鏁�(sh霉)鎿�(j霉)锛屽嵆鍙(sh铆)鐝�(xi脿n)鈥滀綅骞抽潰鈥濇暩(sh霉)鎿�(j霉)鐨勮几鍑�銆傝闋讳俊鎭敱鈥滀綅骞抽潰鈥濇牸寮忚綁(zhu菐n)鎻涚偤鈥滃儚绱犲寘鈥濇牸寮忓師鐞嗚垏涓婅堪鐭╅櫍闆昏矾鐩镐技锛岄檺浜庣瘒骞呭湪姝や笉鍐嶄粙绱�銆�
鍦ㄥ垎杈ㄧ巼鐐�1024脳768銆佸埛鏂扮巼鐐�75Hz鐨勬儏娉佷笅锛岄粸(di菐n)闋荤偤78.75MHz锛岀敱浜庢暩(sh霉)鎿�(j霉)鍌宠几?sh霉)涔冧浚鎵癱鍌宠几浣嶆暩(sh霉)鎴愬弽姣�锛岃嫢n
3.2 鍚屾淇¤櫉(h脿o)寤舵檪(sh铆)妯″
鍚屾淇¤櫉(h脿o)鏄竴瀹氶牷鐜囩殑鑴堟矕涓�锛岃垏瑕栭牷淇¤櫉(h脿o)瀛樺湪鍤�(y谩n)鏍肩殑鍚屾闂�(gu膩n)绯�锛屽叾闋荤巼鑸囬’鍗¤ō(sh猫)瀹氱殑椤ず鍒嗚鲸鐜囧拰灞忓箷鍒锋柊鐜囨湁闂�(gu膩n)銆傚湪閫�(j矛n)琛岃闋讳俊鎭牸寮忚綁(zhu菐n)鎻涢亷(gu貌)绋嬩腑锛岃闋讳俊鎭叡寤舵檪(sh铆)浜嗙磩涔濆€�(g猫)榛�(di菐n)闋诲懆鏈�銆傜偤浜嗕娇瑕栭牷淇℃伅閫�(j矛n)鍏ラ’绀鸿ō(sh猫)鍌欐檪(sh铆)鑸囪銆佸牬(ch菐ng)鍚屾淇¤櫉(h脿o)闁撶殑鐩镐簰鏅�(sh铆)搴忛棞(gu膩n)绯讳粛鑳藉淇濇寔瀹屽ソ锛岃銆佸牬(ch菐ng)鍚屾淇¤櫉(h脿o)鍧囬渶閫氶亷(gu貌)寤舵檪(sh铆)妯″閫�(j矛n)琛岃檿鐞�銆傚湒5鐐洪噰闆嗙閬╅厤鍗′腑琛屽悓姝ヤ俊铏�(h脿o)寤舵檪(sh铆)闆昏矾鍦栥€傛湰绯荤当(t菕ng)鐢卞叐濉婇仼閰嶅崱绲勬垚锛屽叐濉婇仼閰嶅崱涓銆佸牬(ch菐ng)淇¤櫉(h脿o)寤舵檪(sh铆)闆昏矾鐩镐技銆�
3.3 绯荤当(t菕ng)闋傚堡妯″
鏁村€�(g猫)闃茶闋讳俊鎭硠婕忕郴绲�(t菕ng)瑷�(sh猫)瑷�(j矛)瀹屾垚鍚�锛屽叾闋傚堡妯″濡傚湒6鍜屽湒7鎵€绀�銆傚湒涓�锛孲CI銆丼DA鐢ㄤ締(l谩i)鍒濆鍖朅D9883A鑺墖锛孌ATA_RDY鐐鸿嚜瀹氱京鐨勮闋讳俊鎭綁(zhu菐n)鎻涘畬鐣俊铏�(h脿o)銆�
鍏╁閬╅厤鍗′腑閮芥湁鏍煎紡杞�(zhu菐n)鎻涢浕璺紝瑕栭牷淇℃伅缍�(j墨ng)閬�(gu貌)浜嗗叐娆℃牸寮忚綁(zhu菐n)鎻涘悗锛屾渶绲傞倓鍘熺偤鍒濆鐨勨€滃儚绱犲寘鈥濇牸寮忔暩(sh霉)鎿�(j霉)銆傚彇杓稿叆榛�(di菐n)闋籔XCLK_AD鐐�78.75MHz锛岄亱(y霉n)鐢≦uartus II閫�(j矛n)琛岀稖鍚堝強鏅�(sh铆)搴忎豢鐪熷悗锛屽叐鍊�(g猫)闋傚堡妯″缍滃悎浠跨湡鐨勭祼(ji茅)鏋滃鍦栨墍绀�锛屽湒涓�锛屼笁绲勬暩(sh霉)鎿�(j霉)渚濇鐐衡€滃儚绱犲寘鈥濇牸寮�銆佲€滀綅骞抽潰鈥濇牸寮�銆佲€滃儚绱犲寘鈥濇牸寮�銆�
寰炲湒涓彲浠ョ湅鍑鸿闋讳俊鎭稉(j墨ng)閬�(gu貌)鍏╂杞�(zhu菐n)鎻涘悗琚倓鍘熸垚鍘熷鏁�(sh霉)鎿�(j霉)锛岃銆佸牬(ch菐ng)淇¤櫉(h脿o)涔熺浉鎳�(y墨ng)鏈変簡涓€瀹氱殑寤舵檪(sh铆)锛屼笖鑸囪闋讳俊鎭繚鎸佷簡鑹ソ鐨勫悓姝ユ€�锛岄€欒(shu艒)鏄庡熀浜庡儚绱犵殑骞惰鍌宠几鏂瑰紡鏄彲琛岀殑銆�
鍦ㄩ噰鐢―MD椤ず鍣ㄤ綔鐐虹祩绔’绀鸿ō(sh猫)鍌欑殑鍓嶆彁涓嬶紝浠ョ従(xi脿n)鍫�(ch菐ng)鍙法绋嬮杸闄e垪锛團PGA锛夌偤鍩虹(ch菙)銆佷互鍩轰簬鍍忕礌鐨勫苟琛屽偝杓告柟寮忕偤鏍稿績鐨勮▓(j矛)绠楁(j墨)闃茶闋讳俊鎭硠婕忕郴绲�(t菕ng)鑳藉(sh铆)鐝�(xi脿n)澶氬€�(g猫)鍍忕礌鐨勫悓鏅�(sh铆)鍌宠几锛屾帴鏀舵柟妤甸洠寰炴帴鏀跺埌鐨勮蓟灏勪俊鎭腑鍒嗚鲸鍑哄悇鍍忕礌鐨勯’绀洪爢搴忥紝涔熷氨涓嶈兘寰�(f霉)鐝�(xi脿n)淇℃伅锛屽緸鑰屾湁鏁堝湴闃叉浜嗚闋讳俊鎭鎴嵅锛屽寮�(qi谩ng)浜嗕俊鎭畨鍏ㄦ€�銆�