鎽樿锛氬湪鏁�(sh霉)瀛楃郴绲�(t菕ng)浜掕伅(li谩n)瑷�(sh猫)瑷�(j矛)涓�锛岄珮閫熶覆琛孖/O鎶€琛�(sh霉)鍙栦唬鍌崇当(t菕ng)鐨勫苟琛孖/O鎶€琛�(sh霉)鎴愮偤鐣�(d膩ng)鍓嶇櫦(f膩)灞曠殑瓒ㄥ嫝锛岃垏鍌崇当(t菕ng)骞惰鎺ュ彛鎶€琛�(sh霉)鐩告瘮锛屼覆琛屾柟妗堟彁渚涗簡鏇村ぇ鐨勫付瀵�銆佹洿閬�(yu菐n)鐨勮窛闆�銆佹洿浣庣殑鎴愭湰鍜屾洿楂樼殑鑳藉姏銆�浠ュお缍�(w菐ng)浣滅偤涓€绋珮閫熺殑涓茶鍌宠几鏂瑰紡锛屾槸鐣�(d膩ng)鍓嶆渶鍩烘湰銆佹渶娴佽鐨勫眬鍩熺恫(w菐ng)绲勭恫(w菐ng)鎶€琛�(sh霉)锛岀偤浜嗛仼鎳�(y墨ng)鍚勭ó鏂伴枊灞曠殑妤�(y猫)鍕�(w霉)濡傛祦瑕栭牷绛�锛屽叾閫熺巼涔熷湪涓嶆柗鎻愰珮銆侴MII鏄(bi膩o)婧�(zh菙n)鐨勫悏姣旂壒浠ュお缍�(w菐ng)鎺ュ彛锛屼綅浜嶮AC灞ゅ拰鐗╃悊灞や箣闁撱€傚洜姝�锛屽彲浠ュ熀浜嶧PGA骞宠嚭锛屽(sh铆)鐝�(xi脿n)GMII鎺ュ彛鍗�(xi茅)璀帮紝瀹屾垚鏁�(sh霉)鎿�(j霉)鍦∕AC鍜岀墿鐞嗗堡闁撶殑閫氫俊銆�

1 GMII鎺ュ彛鍗�(xi茅)璀扮啊浠�

MII(MediaIndependentInterface(浠嬭唱(zh矛)鐒￠棞(gu膩n)鎺ュ彛)鎴栫ū鐐哄獟楂旂崹(d煤)绔嬫帴鍙ｏ紝鏄疘EEE-802.3瀹氱京鐨�浠ュお缍�(w菐ng)琛屾キ(y猫)妯�(bi膩o)婧�(zh菙n)銆備互澶恫(w菐ng)涓寘鎷湁涓€鍊�(g猫)鏁�(sh霉)鎿�(j霉)鎺ュ彛浠ュ強涓€鍊�(g猫)MAC鍜孭HY涔嬮枔鐨勭鐞嗘帴鍙1]銆傛暩(sh霉)鎿�(j霉)鎺ュ彛鍖呮嫭鍏╂鐛�(d煤)绔嬬殑淇￠亾锛岄€欏叐姊濅俊閬撳垎鍒ョ敤浜庣櫦(f膩)閫佸拰鎺ユ敹鏁�(sh霉)鎿�(j霉)锛屽畠鍊戦兘鐛�(d煤)鑷搧鏈夋暩(sh霉)鎿�(j霉)淇¤櫉銆佹檪(sh铆)閻樹俊铏熶互鍙婃帶鍒朵俊铏熴€侴MII鏄崈鍏嗕互澶恫(w菐ng)鐨凪II鐨勬帴鍙�锛岃┎鏁�(sh霉)鎿�(j霉)鎺ュ彛绺藉叡闇€瑕�16鍊�(g猫)淇¤櫉锛屾帴鍙ｄ俊铏熷鍦�1鎵€绀恒€�

GMII閲囩敤8浣嶆帴鍙ｆ暩(sh霉)鎿�(j霉)锛屽伐浣滄檪(sh铆)閻�125MHz锛屽洜姝ゅ偝杓搁€熺巼鍙仈(d谩)1000Mbps銆傚悓鏅�(sh铆)鍏煎MII鎵€瑕�(gu墨)瀹氱殑10/100Mbps宸ヤ綔鏂瑰紡銆侻II鎺ュ彛涓昏鍒嗙偤鍥涘€�(g猫)閮ㄥ垎锛屽垎鍒ユ槸MAC灞ゅ埌鐗╃悊灞ょ殑鐧�(f膩)閫佹暩(sh霉)鎿�(j霉)鎺ュ彛銆佺墿鐞嗗堡鍒癕AC灞ょ殑鎺ユ敹鏁�(sh霉)鎿�(j霉)鎺ュ彛銆佺墿鐞嗗堡鍒癕AC灞ょ殑鐙€鎱�(t脿i)鎸囩ず鎺ュ彛銆丮AC灞ゅ拰鐗╃悊灞ょ殑鎺у埗鍜岀媭鎱�(t脿i)淇℃伅鎺ュ彛(MDIO)銆傚叿楂旂殑淇¤櫉瑾槑濡傝〃1鎵€绀�銆�

2 瑷�(sh猫)瑷�(j矛)鏂规

Xilinx鎻愪緵鐨勫崈鍏�浠ュお缍�(w菐ng)闁嬬櫦(f膩)濂椾欢鐐篤irtex-5ML505/ML506闁嬬櫦(f膩)鏉�锛岃┎闁嬬櫦(f膩)鏉挎敮鎸�10/100M銆�1/10G浠ュお缍�(w菐ng)锛屾槸瀛�(xu茅)缈�(x铆)鍜岀爺鐧�(f膩)楂橀€熼€ｆ帴瑷�(sh猫)鍌欑殑鐞嗘兂骞宠嚭銆俋ilinx鎻愪緵浜嗗彲鍙冩暩(sh霉)鍖栫殑10/1Gbps浠ュお缍�(w菐ng)鐗╃悊灞ゆ帶鍒跺櫒鍔熻兘鐨凩ogiCORE瑙ｆ焙鏂规[2]銆傝┎鏍歌ō(sh猫)瑷�(j矛)鐢ㄤ締鍚屾渶鏂扮殑Virtex-5銆乂irtex-4鍜孷irtex-IIPro骞宠嚭FPGA涓€璧峰伐浣�锛屽苟鍙互鐒＄斧闆嗘垚鍒癤ilinx瑷�(sh猫)瑷�(j矛)娴佺▼涓€�

浠ュお缍�(w菐ng)绯荤当(t菕ng)鐨勫叐鍊�(g猫)涓昏妯″鏄獟楂旀帴鍏ユ帶鍒�(MAC)鍜岀墿鐞嗗堡PHY锛孧AC鐢辨暩(sh霉)鎿�(j霉)鎷嗚鍜屽獟楂旇í鍟忕鐞嗗叐鍊�(g猫)妯″绲勬垚锛屽畬鎴愭暩(sh霉)鎿�(j霉)骞€鐨勫皝瑁�銆佽В灏�銆佺櫦(f膩)閫佸拰鎺ユ敹鍔熻兘銆侾HY灏嶇櫦(f膩)閫佺殑鏁�(sh霉)鎿�(j霉)鎸夌収鐗╃悊灞ょ殑绶ㄧ⒓瑕�(gu墨)鍓囧皣鏁�(sh霉)鎿�(j霉)绶ㄧ⒓锛屽啀閫�(j矛n)琛屾暩(sh霉)妯¤綁(zhu菐n)鎻涜畩鎴愭ā鎿俊铏熸妸鏁�(sh霉)鎿�(j霉)閫佸嚭鍘�銆傛帴鏀舵暩(sh霉)鎿�(j霉)鍓囪垏涔嬬浉鍙�銆�

2.1闆昏矾鏋舵(g貌u)

瑭�浠ュお缍�(w菐ng)鎺у埗鍣ㄤ富瑕侀€�(j矛n)琛孧AC瀛愬堡銆丮AC灞よ垏涓婂堡鍗�(xi茅)璀扮殑鎺ュ彛浠ュ強MAC灞よ垏PHY鎺ュ彛鐨凣MII鐨凢PGA瑷�(sh猫)瑷�(j矛)锛岀附楂旂祼(ji茅)妲�(g貌u)妗嗗湒濡傚湒2鎵€绀�銆傛暣鍊�(g猫)绯荤当(t菕ng)鍒嗙偤寰呯櫦(f膩)閫佹暩(sh霉)鎿�(j霉)鐨勭敘(ch菐n)鐢熸ā濉娿€佺櫦(f膩)閫佹ā濉�銆丆RC绶ㄧ⒓鐢熸垚妯″銆佺墿鐞嗗堡绶ㄨВ纰兼ā濉�銆佹帴鏀跺強鏍￠(y脿n)?z膩i)顥嶬銆丟MII绠＄悊妯″绛夐儴鍒�銆傜櫦(f膩)閫佹ā濉婂拰鎺ユ敹妯″涓昏鎻愪緵MAC骞€鐨勭櫦(f膩)閫佸拰鎺ユ敹鍔熻兘锛屽叾涓昏鎿嶄綔鏈塎AC骞€鐨勫皝瑁濊垏瑙ｅ寘浠ュ強閷�(cu貌)瑾ゆ娓�锛屽畠鐩存帴鎻愪緵浜嗗埌澶栭儴鐗╃悊灞よ姱鐗囩殑骞惰鏁�(sh霉)鎿�(j霉)鎺ュ彛[3]銆傚湪瀵�(sh铆)鐝�(xi脿n)涓墿鐞嗗堡铏曠悊鐩存帴鍒╃敤鍟嗙敤鐨勫崈鍏哖HY鑺墖锛屽湪浠跨湡閬庣▼涓埄鐢ㄧ墿鐞嗗堡IP_CORE渚嗗(sh铆)鐝�(xi脿n)锛屾墍浠ユ湰鏂囬噸瑕侀棞(gu膩n)娉ㄥ湪MAC鎺у埗鍣ㄧ殑闁嬬櫦(f膩)涓�銆�

2.2MAC鍗�(xi茅)璀颁粙绱�

MAC鎺у埗妯″鏄敱鏁�(sh霉)鎿�(j霉)鎷嗚鍜屽獟楂旇í鍟忕鐞嗗叐鍊�(g猫)妯″绲勬垚锛屽畬鎴愭暩(sh霉)鎿�(j霉)骞€鐨勫皝瑁�銆佽В灏併€佺櫦(f膩)閫佸拰鎺ユ敹鍔熻兘銆傚箑鏍煎紡濡傝〃2鎵€绀�銆�

鍓嶅皫(d菐o)纰肩殑浣滅敤鏄畵鐗╃悊灞や俊铏熻垏鎺ユ敹骞€鏅�(sh铆)搴忛仈(d谩)鍒版案涔呭悓姝�銆傞暦搴﹂鍨嬭〃鏄庡悗闈㈢櫦(f膩)閫佹暩(sh霉)鎿�(j霉)鐨勯暦搴�锛岀暥(d膩ng)瀵�(sh铆)闅涙暩(sh霉)鎿�(j霉)鐨勯暦搴︿笉澶犳檪(sh铆)锛岄渶瑕佽(b菙)0濉厖銆傞鍨�0X0800浠ｈ〃IP鍗�(xi茅)璀版暩(sh霉)鎿�(j霉)锛�16閫�(j矛n)鍒�0x809b浠ｈ〃Appletalk鍗�(xi茅)璀版暩(sh霉)鎿�(j霉)绛夛紝鏈枃鐧�(f膩)閫佺殑鏄疘P鍗�(xi茅)璀版暩(sh霉)鎿�(j霉)銆傚箑绲�(ji茅)灏剧殑鏁�(sh霉)鎿�(j霉)鏄牴鎿�(j霉)CRC闆昏矾瑷�(j矛)绠楃敓鎴愮殑鏍￠(y脿n)纰笺€�

2.3浠ュお缍�(w菐ng)鐨凢CS铏曠悊

鏍￠(y脿n)浣嶇殑FCS鍗崇偤寰挵(hu谩n)鍐椾綑纰糃RC锛屽畠鐨勭法纰艰┏绱�(x矛)閬庣▼鏄紝鏍规摎(j霉)鏁�(sh霉)鎿�(j霉)娴丮鐨勯暦搴﹀拰鐗规€�锛岄伕鎿囬暦搴︾偤n娆＄殑鐗瑰緛澶氶爡(xi脿ng)寮忥紝鍦ㄦ暩(sh霉)鎿�(j霉)娴丮涔嬪悗娣诲姞n鍊�(g猫)0锛屼綔鐐鸿闄ゆ暩(sh霉)闄や互鐢辩壒寰佸闋�(xi脿ng)寮忔(g貌u)鎴愮殑(n+1)bit鐨勪簩閫�(j矛n)鍒舵暩(sh霉)鍒桺锛屽緱鍒板晢Q浠ュ強闄ゆ暩(sh霉)R锛岄櫎鏁�(sh霉)R鐐簄bit锛屽皣R浣滅偤鍐椾綑纰兼坊鍔犲湪M涔嬪悗鐧�(f膩)閫佸嚭鍘�銆侰rc8绶ㄧ⒓鐨勪覆琛岀畻娉曞(sh铆)鐝�(xi脿n)闆昏矾濡傚湒3鎵€绀篬4]锛�

绶ㄧ⒓鍓嶅厛灏囨墍鏈夊瘎瀛樺櫒鍒濆鍖�锛屼箣鍚庡皣寰呯櫦(f膩)閫佺殑淇℃伅搴忓垪渚濇鍦╥nput绔几鍏ョ法纰煎櫒锛屼俊鎭簭鍒楀叏閮ㄨ几鍏ヤ箣鍚庯紝瀵勫瓨鍣ㄤ腑鐨勫€煎氨鏄墍瑕佹眰鐨勪綑鏁�(sh霉)锛屽嵆CRC鏍￠(y脿n)纰�銆傛湰鏂囦娇鐢ㄧ殑鏄痗rc32澶氶爡(xi脿ng)寮�锛屽闋�(xi脿ng)寮忕殑琛ㄩ仈(d谩)寮忓涓嬫墍绀�锛岄渶瑕佺法纰肩殑鏁�(sh霉)鎿�(j霉)娈靛緸鐩殑瀛楁闁嬪鍒版暩(sh霉)鎿�(j霉)瀛楁绲�(ji茅)鏉燂紝鍒╃敤鍚屾ǎ鐨勯浼肩殑闆昏矾锛屽嵆鍙埄鐢╲erilog瀵�(sh铆)鐝�(xi脿n)鍐椾綑纰肩法纰笺€�

3 闆昏矾瀵�(sh铆)鐝�(xi脿n)鑸囦豢鐪�

3.1MAC鐧�(f膩)閫佺-鏁�(sh霉)鎿�(j霉)鎴愬箑

浠ュお缍�(w菐ng)鐨勭櫦(f膩)閫佹柟寮忔槸鎸夌収涓€鍊�(g猫)骞€涓€鍊�(g猫)骞€渚嗙櫦(f膩)閫佺殑锛岀恫(w菐ng)绲�(lu貌)瑷�(sh猫)鍌欏拰绲勪欢鍦ㄦ帴鏀朵竴鍊�(g猫)骞€浠ュ悗锛岄渶瑕佷竴娈电煭鏆殑鏅�(sh铆)闁撲締鎭㈠京(f霉)骞剁偤鎺ユ敹涓嬩竴骞€鍋氭簴(zh菙n)鍌�銆傚箑闁撻殭鏄箑鑸囧箑涔嬮枔闇€瑕佺殑鏅�(sh铆)闁撲綑閲�锛屼互澶恫(w菐ng)鐨勬渶灏忓箑闁撻殭鐐�96bit(12byte)銆傛墍浠ュ湪闁嬪鐧�(f膩)閫佹檪(sh铆)锛岃鍒ゆ柗鏄惁婊胯冻骞€闁撻殭銆傛牴鎿�(j霉)GMII鎺ュ彛鐨勫偝杓告檪(sh铆)搴忓鍦�4锛岃ō(sh猫)瑷�(j矛)鍦�5鎵€绀虹殑鐙€鎱�(t脿i)姗�(j墨)锛岄€氶亷灏嶆瘡鍊�(g猫)鐙€鎱�(t脿i)涓紝灏嶅瓧绡€(ji茅)閫�(j矛n)琛岃▓(j矛)鏁�(sh霉)瀵�(sh铆)鐝�(xi脿n)鐙€鎱�(t脿i)鐨勮烦杞�(zhu菐n)銆�

鍦ㄦ暩(sh霉)鎿�(j霉)鍌宠几閬庣▼涓�锛孧AC鐧�(f膩)閫佹ā濉婂皣涓婂堡鍗�(xi茅)璀伴渶瑕佺櫦(f膩)閫佺殑鏁�(sh霉)鎿�(j霉)缍�(j墨ng)閬庝互澶恫(w菐ng)鍗�(xi茅)璀伴€�(j矛n)琛屽皝瑁濆皣鏁�(sh霉)鎿�(j霉)鐧�(f膩)閫佺郸PHY灞わ紝鐧�(f膩)閫佹ā濉婇倓鍙皣寰炰富姗�(j墨)鎺ユ敹鍒扮殑骞€闋互鍙婂箑灏炬(bi膩o)蹇椾俊铏�锛岃垏涓绘(j墨)鎺ュ彛寰炲閮ㄥ瓨鍎插柈鍏冪嵅鍙栫殑鐧�(f膩)閫佹暩(sh霉)鎿�(j霉)鎸夌収妯�(bi膩o)婧�(zh菙n)鍗�(xi茅)璀伴€�(j矛n)琛屽皝瑁濓紝灏囨暩(sh霉)鎿�(j霉)浠�8浣嶆暩(sh霉)鎿�(j霉)瀵害鐨勬牸寮忓湪淇￠亾绌洪枒鏅�(sh铆)鐧�(f膩)閫佺郸PHY灞�锛屽啀閫氶亷PHY鑺墖灏囨暩(sh霉)鎿�(j霉)閫�(j矛n)琛屾暩(sh霉)妯¤綁(zhu菐n)鎻涚櫦(f膩)閫佸埌缍�(w菐ng)绲�(lu貌)涓幓銆�

鍦ㄧ墿鐞嗗堡閮ㄥ垎锛屽埄鐢↖SE骞宠嚭鐢熸垚Etherent1000BASE-XPCS/PMAIPCORE渚嗘帴鏀禡AC灞ょ殑鏁�(sh霉)鎿�(j霉)锛岃┎鏍告敮鎸佸収(n猫i)閮ㄦ垨澶栭儴GMII锛屽彲瀵�(sh铆)鐝�(xi脿n)鑸嘙AC鎴栧畾鍒堕倧杓殑閺堟帴銆侷P鏍稿収(n猫i)鐨勪富瑕佺祫鎴愰儴鍒嗙偤PMA鍜孭CS锛屽叾涓璓MA鐐虹墿鐞嗗堡鐨勫獟浠嬪堡锛孭CS鐐虹墿鐞嗗堡绶ㄧ⒓妯″锛屽彲浠ラ€�(j矛n)琛�8B/10B绶ㄨВ纰�锛�64B/66B绶ㄨВ纰�锛孋OMMA瀛楃妾㈡脯锛屽皣鎺ユ敹鐨勬暩(sh霉)鎿�(j霉)灏嶉綂鍒板悎閬╃殑瀛楅倞鐣�锛屽伣闅ㄦ(j墨)搴忓垪鐨勭敓鎴愬拰妾㈡脯锛屾檪(sh铆)閻樹慨姝ｅ拰閫氶亾缍佸畾绛塠5]銆�

3.2MAC鎺ユ敹绔�-鏁�(sh霉)鎿�(j霉)鎻愬彇

MAC绔帴鏀跺埌鍌冲洖鐨勬暩(sh霉)鎿�(j霉)鍚�锛岄渶瑕佸皪鎺ユ敹鍒扮殑鏁�(sh霉)鎿�(j霉)閫�(j矛n)琛屾娓紝棣栧厛鎻愬彇鍑簆ay_load鏁�(sh霉)鎿�(j霉)鍜屽啑浣欐椹�(y脿n)纰糲rc_cmp銆傜暥(d膩ng)鐧�(f膩)閫佹暩(sh霉)鎿�(j霉)鍖呯殑闀峰害涓嶇⒑瀹氭檪(sh铆)锛屼笉鑳介€氶亷瑷�(j矛)鏁�(sh霉)鍣ㄤ締鎻愬彇灏嶆噳(y墨ng)鐨勬暩(sh霉)鎿�(j霉)鍜屾牎椹�(y脿n)纰硷紝鍙鐨勬搷浣滃鍦�6鐨勬檪(sh铆)搴忓湒鎵€绀�銆�

鍦ㄦ帴鏀剁濡傛灉妾㈡脯鍒板墠灏�(d菐o)纰肩殑绗竴鍊�(g猫)瀛楃瘈(ji茅)55鏅�(sh铆)锛岃▓(j矛)鏁�(sh霉)鍣ㄩ枊濮嬭▓(j矛)鏁�(sh霉)锛岀暥(d膩ng)瑷�(j矛)鏁�(sh霉)鍒�14鏅�(sh铆)锛屼笅涓€鍊�(g猫)鏅�(sh铆)閻橈紝渚挎槸鐧�(f膩)閫佷締鐨勫(sh铆)闅涙暩(sh霉)鎿�(j霉)锛岀敘(ch菐n)鐢烺x_dv_i淇¤櫉锛岀洿鍒版帴鏀跺埌鍥涘€�(g猫)瀛楃瘈(ji茅)鐨勬牎椹�(y脿n)纰兼檪(sh铆)鎷変綆锛屽苟灏嘡x_dv_i寤堕伈鍥涙媿寰楀埌Rx_dv_a4淇¤櫉锛屽悓鏅�(sh铆)灏嘡x_data涔熷欢閬插洓鎷嶏紝鍓囧湪Rx_dv鐐洪珮闆诲钩涓擱x_dv_a4鐐洪珮闆诲钩锛屽彇Rx_data_d4涓婄殑鏁�(sh霉)鎿�(j霉)锛屽嵆鐐簆ay_load鏁�(sh霉)鎿�(j霉)锛屽湪Rx_dv鐐轰綆闆诲钩锛孯x_dv_a3鐐洪珮闆诲钩鏅�(sh铆)锛孯x_data_a4鐐烘牎椹�(y脿n)纰�銆傞噰鐢ㄩ€欑ó鏂规锛屽湪涓嶇⒑鐧�(f膩)閫佹暩(sh霉)鎿�(j霉)鐨勫€�(g猫)鏁�(sh霉)鎯呮硜涓�锛屽彲浠ュ垎鍒ユ彁鍙栧嚭pay_load鏁�(sh霉)鎿�(j霉)鍜宖cs鏍￠(y脿n)纰兼暩(sh霉)鎿�(j霉)銆�

3.3闆昏矾鍔熻兘浠跨湡

鎻愬彇鍒扮浉鎳�(y墨ng)鐨勬暩(sh霉)鎿�(j霉)鍚�锛屽厛灏囩櫦(f膩)閫佺鐨勬暩(sh霉)鎿�(j霉)鍜屾帴鏀跺埌鐨勬暩(sh霉)鎿�(j霉)閫�(j矛n)琛屾瘮杓�锛屽鏋滀笉鍚岋紝鐢�(ch菐n)鐢焏ata_error淇¤櫉鐨勪綆闆诲钩锛屾寚绀哄嚭閷�(cu貌)锛屽悓鏅�(sh铆)灏囨帴鏀跺埌鐨勬暩(sh霉)鎿�(j霉)閫佸叆CRC绶ㄧ⒓闆昏矾锛屼締鐢�(ch菐n)鐢熸牎椹�(y脿n)纰紃x_crc锛屽皣鐧�(f膩)閫佺鐨勬牎椹�(y脿n)纰糲rc_cmp鑸噐x_crc閫�(j矛n)琛屾瘮杓�锛屽鏋滀笉鍚�锛岀敘(ch菐n)鐢焎rc_error鐨勪綆闆诲钩淇¤櫉銆傛渶绲傞浕璺殑閷�(cu貌)瑾ゆ寚绀轰俊铏焑rror鐢眃ata_error鍜宑rc_error鐩歌垏鐢�(ch菐n)鐢�銆�

瑷�(sh猫)瑷�(j矛)瀹屾垚浠ュ悗锛屽埄鐢╩odelsim杌熶欢灏嶉浕璺€�(j矛n)琛屼簡浠跨湡锛屼豢鐪熸尝褰㈠鍦�7鎵€绀猴細鍙互鐪嬪埌涓夊€�(g猫)閷�(cu貌)瑾ゆ(bi膩o)蹇椾俊铏焑rror锛屽湪闁嬪宸ヤ綔鍚庡潎鐐洪珮闆诲钩锛岃〃鏄庤┎闆昏矾鎴愬姛瀹屾垚浜嗗湪MAC鍜孭HY涔嬮枔鐨勬暩(sh霉)鎿�(j霉)鍌宠几銆�

4 绲�(ji茅)璜�

楂橀€熶覆琛屽偝杓告妧琛�(sh霉)鏄疐PGA鏈締鐨勪笁澶ф噳(y墨ng)鐢ㄩ牁(l菒ng)鍩熶箣涓€锛屾湰鏂囧緸浠ュお缍�(w菐ng)鍌宠几?sh霉)鐩偖w绲�(ji茅)妲�(g貌u)鍜屽熀鏈崝(xi茅)璀板嚭鐧�(f膩)锛岃ō(sh猫)瑷�(j矛)浜嗗崈鍏嗕互澶恫(w菐ng)鍌宠几绯荤当(t菕ng)鐨勬柟妗�锛屼互MAC+PHY鐐烘牳蹇�锛屽畬鎴愪簡缍�(w菐ng)绲�(lu貌)鏋舵(g貌u)涓墿鐞嗗堡鍜屾暩(sh霉)鎿�(j霉)閺堣矾灞ょ殑鍩烘湰鍔熻兘銆傞€氶亷浠跨湡椹�(y脿n)璀変簡鏁�(sh霉)鎿�(j霉)鍦ㄦ暩(sh霉)鎿�(j霉)閺堣矾灞ゅ拰鐗╃悊灞や箣闁撴簴(zh菙n)纰虹劇瑾ょ殑鍌宠几锛岀┅(w臎n)瀹氭€уソ锛岄潏娲绘€ч珮锛屾湰绯荤当(t菕ng)閭勫彲浠ョ敤渚嗗偝杓稿湒鍍忓拰澶ф暩(sh霉)鎿�(j霉)淇℃伅銆�