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i/o妯″闆嗘垚浜唌ac鑸囦富姗�(j墨)銆佸鍦嶈ō(sh猫)鍌欓枔鐨勫悇绋帴鍙�锛屽姛鑳借睈瀵屽叏闈€€傝垏涓绘(j墨)鎺ュ彛鏈塽sb鎺ュ彛銆佸獟璩�(zh矛)鐛�(d煤)绔嬫帴鍙ii鎴栭€氱敤涓茶鎺ュ彛gpsi锛堥伕鐢級銆佺鐞嗘暩(sh霉)鎿�(j霉)鎺ュ彛mdi;鑸囧瑷�(sh猫)鎺ュ彛鏈塭 prom鎺ュ彛spi銆佷豢鐪熸帴鍙tag宸茬稉(j墨ng)鐢ㄤ簬閬�(y霉n)琛岀媭鎱�(t脿i)鐩�(ji膩n)瑕栫殑led鎺ュ彛銆俶ii鏄竴绋(bi膩o)婧�(zh菙n)鐨勫伐妤�(y猫)鎺ュ彛锛屽叾鐧�(f膩)閫�/鎺ユ敹閮戒互鍥涗綅骞惰鐨勫舰寮忛€�(j矛n)琛�锛岀敱mac鏅�(sh铆)閻樺悓姝�锛屽苟甯舵湁csma/cd鍗�(xi茅)璀般€傞€氶亷(gu貌)mii鎺ュ彛锛宨nt51x1鍙互璺熶互澶恫(w菐ng)mac鎺у埗鍣ㄧ洿鎺ョ浉閫c€�
涓绘(j墨)閫氶亷(gu貌)mdi鍙互鏂逛究鐨勮í鍟�(w猫n)int51x1鍏�(n猫i)閮ㄧ殑鎺у埗/鐙€鎱�(t脿i)瀵勫瓨鍣�锛屽緸鑰屽畬鎴愬皪(du矛)int51x1鐨勮ō(sh猫)瀹氬拰鐩�(ji膩n)瑕杋nt51x1鐨勫(sh铆)鏅�(sh铆)閬�(y霉n)琛岀媭鎱�(t脿i)銆俰nt51x1鐨勬帶鍒�/鐙€鎱�(t脿i)瀵勫瓨鍣ㄥ潎鐐�16浣嶇殑瀵勫瓨鍣�銆傜媭鎱�(t脿i)瀵勫瓨鍣ㄥ(sh铆)鏅�(sh铆)鍙嶆槧閺堣矾鐙€鎱�(t脿i)銆佸偝杓搁€熺巼銆佸墠灏�(d菐o)纰煎垽姹�銆佽嚜鍕�(d貌ng)鍗�(xi茅)鍟�銆佹ā绯婃娓�(c猫)绛変俊鎭�銆�
涓婇浕鍚�锛宨nt51x1鐨勫垵濮嬪寲鐢卞叾閫氶亷(gu貌)spi鎺ュ彛璁€鍙栭爯(y霉)鍏堝(xi臎)鍏 prom鐨勬暩(sh霉)鎿�(j霉)瀹屾垚銆俻owerpacket閲囩敤des鐨�56浣嶅瘑閼扮鐞嗭紝闄nt51x1瑷�(sh猫)瀹氱殑缂虹渷瀵嗛懓浠ュ锛岄倓鍙互鐢辩敤鎴惰嚜瀹氱京瀵嗛懓锛岀⒑淇濋浕鍔涚窔鍌宠几?sh霉)鐩吔鍫俯顐嶆荡?
3.2 int51x1鐨勫紩鑵宠(shu艒)鏄�
int51x1閲囩敤渭bga灏佽锛�144寮曡叧锛屼緵闆婚浕澹�3.3v锛岃姱鐗囧収(n猫i)鏍镐緵闆婚浕澹�1.5v銆傚畠鏈塽sb銆乸hy銆乭ost/dte3绋伐浣滄ā寮忛伕鎿�锛岄儴鍒嗗京(f霉)鐢ㄤ俊铏�(h脿o)寮曡叧濡俶ii鎺ュ彛淇¤櫉(h脿o)銆乵di鎺ュ彛淇¤櫉(h脿o)銆乻pi鎺ュ彛淇¤櫉(h脿o)绛夊洜妯″紡涓嶅悓鑰屽姛鑳藉畾缇╀笉鍚�锛屽叾瀹冪殑淇¤櫉(h脿o)绶氬湪3绋ā寮忎腑閮界浉鍚岋紝鏈夊皪(du矛)妯℃摤鍓嶇afe鐨勬帶鍒舵暩(sh霉)鎿�(j霉)绶�26姊�锛屼富瑕佹槸adc杓稿叆銆乨ac杓稿嚭銆侀亱(y霉n)鏀剧殑agc鎺у埗绛�;鏈塴(w猫i)ed锛�3绶氾級銆俲tag锛�5绶氾級锛屾檪(sh铆)閻橈紙2绶氾級锛屾脯(c猫)瑭︼紙2绶氾級锛屼互鍙婂姊濋浕婧愬拰鍦扮窔;3绋ā寮忕殑閬告搰鏈塵ode0鍜宮ode1鍏╁€�(g猫)寮曡叧鐨勭媭鎱�(t脿i)姹哄畾銆�
3.3 寰檿鐞嗗櫒w90n740鐨勭啊(ji菐n)浠�
w90n740鏄嚭(t谩i)鐏inbond鍏徃闁�(k膩i)鐧�(f膩)鐨勫熀浜�32浣峚rm鏍哥殑楂樻€ц兘銆佷綆鍔熻€楀井铏曠悊鍣ㄣ€倃90n740閲囩敤arm7tdmi鍏�(n猫i)鏍�锛屽収(n猫i)寤哄叐鍊�(g猫)10/100mb mac浠ュお缍�(w菐ng)绲�(lu貌)鎺у埗鍣紝骞堕噰鐢╳inbond鐛�(d煤)瀹跺皥鍒╃殑缍�(w菐ng)绲�(lu貌)鍦板潃杞�(zhu菐n)鎻涘姞閫熷櫒nat accelerator銆傝┎鍣ㄤ欢鐢ㄧ‖浠舵柟寮忓姞閫熺恫(w菐ng)绲�(lu貌)灏佸寘鐨勮綁(zhu菐n)鎻涳紝涓嶅儏娓涘皯浜嗕腑澶檿鐞嗗櫒鐨勮矤(f霉)鎿�(d膩n)锛屽悓鏅�(sh铆)涔熷ぇ骞呮彁楂樹簡瀵牷鐨勬暣楂旂郴绲�(t菕ng)鏁堣兘銆傝€岃姱鐗囨柟寮忛泦鎴愮殑usb鎺у埗鍣ㄥ墖鍙€忛亷(gu貌)usb鐣岄潰閫g祼(ji茅)鍚勭ó闆昏叇鍛ㄩ倞瑷�(sh猫)鍌�锛屼互澧炴坊鐢�(ch菐n)鍝侀檮鍔犲€�銆傛澶�锛寃90n740鍏�(n猫i)閮ㄩ倓闆嗘垚浜唀bi锛坋xternal bus interface锛夋帶鍒跺櫒銆佺郴绲�(t菕ng)绠$悊鍣�銆乬dma鎺у埗鍣ㄧ瓑銆傚洜鑰屽湪瑷卞鎳�(y墨ng)鐢ㄩ牁(l菒ng)鍩�锛岀敤瑭插櫒浠惰ō(sh猫)瑷�(j矛)鐨勭郴绲�(t菕ng)鎴愭湰姣旂洰鍓嶅悓椤炵敘(ch菐n)鍝佽浣庛€傚姞涓奱rm鍏徃闁�(k膩i)鐧�(f膩)鐠�(hu谩n)澧冩敮鎸佸尟绶ㄨ獮(y菙)瑷€銆侊絻鍜岋絻++锛屽叾杌熶欢闁�(k膩i)鐧�(f膩)涔熷崄鍒嗘柟渚�銆傚洜姝わ紝w90n740闆栦笉鏄富娴佺敘(ch菐n)鍝�锛屼絾涔熸槸瑷卞缍�(w菐ng)绲�(lu貌)闆诲瓙鐢�(ch菐n)鍝佺殑閬告搰鏂规涔嬩竴銆�
4 ofdm閰嶉浕鑷嫊(d貌ng)鍖栫郴绲�(t菕ng)瑷�(sh猫)瑷�(j矛)
4.1 绯荤当(t菕ng)閫氫俊绲傜鍜屽瓙绔欑殑瑷�(sh猫)瑷�(j矛)
锛�1锛� 閫氫俊绲傜鐨勮粺纭欢妲�(g貌u)鎴�銆傞€氫俊绲傜纭欢闆昏矾瑷�(sh猫)瑷�(j矛)鍙冭(ji脿n)鍦�2銆�
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銆�3銆� w90n740 reference manual. winbond electronics corp. 2003
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