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4.1 绯荤当(t菕ng)瑷�(sh猫)瑷堝師鐞�
绯荤当(t菕ng)瑷�(sh猫)瑷堝寘鎷‖浠跺拰杌熶欢銆傜‖浠朵富瑕佸垎鎺у埗绯荤当(t菕ng)鍜岃几鍏�銆佽几鍑烘暩(sh霉)鎿�(j霉)婧愪笁閮ㄥ垎銆傝几鍏ャ€佽几鍑烘暩(sh霉)鎿�(j霉)婧愬彲浠ユ槸IDE鎺ュ彛瑷�(sh猫)鍌欙紙濡傜‖鐩わ級鎴栫恫(w菐ng)绲�(lu貌)绔彛?锛熷垈钁″埌y(t菕ng)灏嶇郴绲�(t菕ng)鍚勯儴鍒嗛€茶鐩�(ji膩n)娓拰鎺у埗銆佸畬鎴愭暩(sh霉)鎿�(j霉)娴佺殑鍌宠几?sh霉)??锛熷垈钁″埌y(t菕ng)涓昏鐢变富鎺ц姱鐗�銆丗lash鍜孲RAM绲勬垚銆備富鎺ц姱鐗囬€氶亷PCI绺界窔鎺у埗绯荤当(t菕ng)鍏朵粬妯″锛屾槸鎺у埗绯荤当(t菕ng)鐨勬牳蹇�锛汧lash閲屽浐鍖栧祵鍏ュ紡Linux鎿嶄綔绯荤当(t菕ng)锛屽瓨鏀炬噳(y墨ng)鐢ㄨ粺浠跺拰鍌欎唤鏁�(sh霉)鎿�(j霉)锛汼DRAM浣滅偤鍏�(n猫i)瀛樹緵绯荤当(t菕ng)閬嬭浣跨敤銆侻PEG-4纭欢绶�銆佽В纰肩郴绲�(t菕ng)閲囩敤纭法銆佽В纰兼柟寮忥紝璨�(f霉)璨�(z茅)灏囪几鍏ョ殑MPEG-4鏁�(sh霉)鎿�(j霉)娴佺法銆佽В纰兼垚鏅€氱殑闆昏淇¤櫉锛屽叾鏍稿績鏄法銆佽В纰艰姱鐗�銆傜偤瑙f焙鏁�(sh霉)鎿�(j霉)娴佷笉绌�(w臎n)瀹氱殑鍟忛锛岀法銆佽В纰艰姱鐗囬€氬父浣跨敤SDRAM閫茶鏁�(sh霉)鎿�(j霉)绶╂矕鎵嶅彲浠ヤ繚璀夋甯哥法銆佽В纰奸亷绋�銆�
杌熶欢涓昏鍖呮嫭宓屽叆寮廘inux绉绘銆佺法銆佽В纰奸﹨(q奴)鍕曞拰鎳�(y墨ng)鐢ㄧ▼搴忕法瀵�銆傚祵鍏ュ紡Linux绉绘鍒扮敱涓绘帶鑺墖F(xi脿n)lash鎺у埗鍣ㄦ帶鍒剁殑Flash閲岋紝鎿嶄綔绯荤当(t菕ng)绋嬪簭鏂囦欢鍒嗘垚浜斿€嬩富瑕侀儴鍒嗭細bootloader銆乲ernel銆乺amdisk銆乽sr鍜宐oot_param锛屽垎鍒ユ斁鍦‵lash鍏�(n猫i)鐨勪簲鍊嬫ā濉婁腑銆傛牴鎿�(j霉)涓嶅悓妯″鐨勫叿楂斿姛鑳介噰鐢ㄤ笉鍚岀殑鏂囦欢鏂瑰紡锛歜ootloader銆乲ernel銆乺amdisk鍜宐oot param锛岄枊鐧�(f膩)濂藉悗涓嶉渶瑕佸嫊鎱�(t脿i)鏀硅畩锛屼笖瀹归噺灏�锛屼娇鐢ㄧ瘈(ji茅)鐪佺┖闁撶殑ROMFS鍙畝鏂囦欢绯荤当(t菕ng)锛寀sr妯″鍏�(n猫i)瀹硅純澶氬苟闇€瑕侀€茶璁€瀵搷浣滐紝瑕佷娇鐢ㄦ敮鎸佸嫊鎱�(t脿i)鎿﹀淇濆瓨鐨凧FFS鏂囦欢绯荤当(t菕ng)銆�
4.2 绯荤当(t菕ng)纭欢瑷�(sh猫)瑷�
绯荤当(t菕ng)鐨勭‖浠惰ō(sh猫)瑷堜富瑕佸垎鍏╅儴鍒嗭細鏁�(sh霉)鎿�(j霉)婧愭帴鍙hō(sh猫)瑷堛€佹帶鍒剁郴绲�(t菕ng)瑷�(sh猫)瑷�銆傛暩(sh霉)鎿�(j霉)娴佸厛瑕佸緸鏁�(sh霉)鎿�(j霉)婧愮稉(j墨ng)鏁�(sh霉)鎿�(j霉)婧愭帴鍙i€佽嚦PCI绺界窔锛屾绯荤当(t菕ng)鏁�(sh霉)鎿�(j霉)婧愭帴鍙g偤PCI绺界窔涓婄殑PCI锛廔DE姗嬭姱鐗囧拰缍�(w菐ng)绲�(lu貌)鎺у埗鑺墖銆�
鎺у埗绯荤当(t菕ng)瑾�(di脿o)閰嶇郴绲�(t菕ng)璩囨簮銆佹帶鍒剁郴绲�(t菕ng)鍚勫€嬮儴鍒嗕互鍙婃暩(sh霉)鎿�(j霉)娴佺殑鍌宠几銆備富鎺ц姱鐗囬噰鐢↖DT RC32434銆傚畠鏄竴娆�64浣峂IPS锛屽収(n猫i)閮ㄩ泦鎴愪簡NAND Flash鎺у埗鍣紙FlashC锛�銆�32浣峆CI绺界窔鎺у埗鍣紙PCIC锛�銆�4閫氶亾DMA鎺у埗鍣�銆�4閫氶亾SDRAM鎺у埗鍣紙SDRAMC锛夈€佸閮ㄧ附绶氭帶鍒跺櫒锛圗BUSC锛�銆佸閮ㄧ附绶氭帴鍙o紙E鈥擝USI锛変互鍙�2鍊嬮€氱敤涓插彛绛夛紝骞堕€氶亷鍏�(n猫i)閮ㄧ附绶氬皪瀹冨€戝垎鍒ラ€茶鎺у埗銆傚叾宸ヤ綔涓婚牷400MHz锛岃檿鐞嗛€熷害蹇�锛屽姛鑳藉挤锛屾€у児姣旈珮锛岃兘寰堝ソ婊胯冻宓屽叆寮廘inux绯荤当(t菕ng)鐨勯渶姹�銆�
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