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DRAM 鐗归粸鏄閲忓ぇ锛屽児鏍间綆锛岀己榛炴槸涓婇浕鍚庝笉鑳界洿鎺ヤ娇鐢紝闇€瑕佽粺浠跺垵濮�澶栧瓨

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NandFlash锛氱壒榛炴槸瀹归噺澶э紝鍍规牸浣庯紝缂洪粸鏄疌PU涓嶈兘绺界窔寮忚í鍟忥紝闇€瑕侀渶瑕佽鍒濆鍖栧悗閫氶亷鏅傚簭鎺ュ彛璁€瀵�.

涓€鑸琍C姗�:寰堝皬瀹归噺鐨凚IOS(NorFlash) + 寰堝ぇ瀹归噺鐨勭‖鐩�(椤炰技浜嶯andFlash) + 澶у閲忕殑DRAM

涓€鑸柈鐗囨锛氬緢灏忓閲忕殑NorFlash + 寰堝皬瀹归噺鐨凷RAM 锛堟墍浠ヤ笉闇€瑕佸仛鍒濆鍖栵紝涓婇浕閮借兘鐢級

涓€鑸祵鍏ュ紡锛�210锛夛細鍥犵偤NorFlash寰堣泊锛屾墍浠ョ従鍦ㄥ祵鍏ュ紡绯荤当鍌惧悜浜庝笉浣跨敤NorFLash,鑰屾槸鐩存帴鐢細Nand + DRAM + iRAM(96KB SRAM) + iROM(64KB NorFlash

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绶ㄨ集寤犲晢鍏х疆iROM涓殑鍒濆鍖栫▼搴廈L0 銆丅L1 + BL2 锛堝暉鍕曚唬纰紆-boot = BL1 + BL2锛�

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绗簩姝ワ細iRAM涓亱琛孊L1锛孊L1璨犺铂鍒濆鍖栨澘瀛愮殑鍚勫€嬮儴浠剁瓑锛岀劧鍚庡姞杓塀L2鍒癷RAM銆�

绗笁姝ワ細iRAM涓亱琛孊L2锛孊L2璨犺铂鍒濆鍖朣DRAM锛屽皣鍏ф牳鎷疯矟鍒癝DRAM锛屼腑鐒跺悗寮曞皫鍏ф牳鐨勯亱琛屻€�

锛堜互涓婂暉鍕曢亷绋嬬偤uboot灏忎簬96KB锛屾槸210鎺ㄨ枽鐨勫暉鍕曟柟寮忥紝瀵﹂殯涓婃垜鍊憉boot鐨勫暉鍕曢亷绋嬪拰姝よ檿鐨勫暉鍕曢亷绋嬫槸鏈変簺鍗€鍒ョ殑锛�

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