① usb鏄浠涔堢殑绠绉
Universal Serial Bus
杩戞潵鍏充簬MP3锛岄棯瀛樼洏USB鎺ュ彛镄勬爣鍑嗘垚浜嗗ぇ瀹跺叧娉ㄧ殑铹︾偣銆傚悇澶ц哄潧涓婂ぇ瀹剁悍绾峰毞锸蜂竴浜涗笉鐭ュ悕镄勭绣绔欍佸啓镓嬩负浜嗘彁楂桦奖鍝嶏纴銮峰彇鍒╃泭锛屽彂琛ㄤ简璁稿氲礋闱㈡枃绔犺╂湰𨱒ユ竻鏅版爣鍑嗗彉镄勬洿锷犳墤链旇糠绂伙纴浠婂ぉ灏辫╂垜浠𨱒ヨよ瘑涓涓嫔埌搴曚粈涔堟槸USB2.0鎺ュ彛銆
棣栧厛锛孶SB镙囧嗳鏄鐢盋ompayHewlettPackard Intel Lucent Microsoft NEC鍜孭HILIPS绛夊嚑瀹跺叕鍙稿叡钖屽埗瀹氱殑涓涓镙囧嗳銆傚畠镄勫叏绉版槸阃氱敤涓茶屾荤嚎锛圲niversal Serial Bus锛夌亩绉癠SB锛屽苟浜1999骞10链埚彂甯冦
鍒扮洰鍓嶅凡鍑犵粡淇璁涓庢洿鏂般傚湪链鏂扮増链镄刄SB2.0鎺ュ彛镙囧嗳涓锛孶SB1.1镄勮存硶宸蹭笉澶嶅瓨鍦锛屽苟琚缁熺О涓篣SB2.0銆傛柊镄刄SB2.0镙囧嗳灏哢SB鎺ュ彛阃熷害鍒掑垎涓轰笁绫伙纴鍒嗗埆鏄浼犺緭阃熺巼鍦25Mbps-400 Mbps 锛堟渶澶480 Mbps锛夌殑High-speed鎺ュ彛锛堢亩绉癏S锛夛绂浼犺緭阃熺巼鍦500Kbps-10Mbps锛堟渶澶12Mbps锛夌殑Full-speed鎺ュ彛锛堢亩绉癋S锛夛绂浼犺緭阃熺巼鍦10kbps-400 100kbps 锛堟渶澶1.5Mbps锛夌殑Low-speed鎺ュ彛锛堢亩绉癓S锛夈
姝ｆ槸锲犱负USB鏂版爣鍑嗙殑鍑哄彴锛屾墍浠ヤ骇鐢熶简璁稿氭墍璋撯淯SB2.0钬濇帴鍙ｅ嵈琚绉颁负USB1.1镄勮存硶锛埚叿浣撶殑镙囧嗳鍐呭瑰ぇ瀹跺彲鍒癠SB镄勫畼鏂圭绣绔欎笂铡荤湅涓鐪嬶级銆傚巶鍟嗕娇鐢ㄦ柊镄勬爣鍑嗘湰𨱒ユ棤鍙铡氶潪锛屼絾鍒╃敤骞垮ぇ娑堣垂钥呯殑淇℃伅涓嶅圭О镐х帺鏁板瓧娓告垙灏卞煎缑鍟嗘Ψ浜嗐
甯屾湜浠ュ悗浼楀巶鍟嗗湪涓涓鏂版爣鍑嗗嚭鍙颁互钖庯纴锅氩ソ鏅鍙婂伐浣滐纴涓嶈佸啀琚浜哄埄鐢ㄤ简銆傚悓镞朵篃甯屾湜骞垮ぇ娑堣垂钥呭湪阃夋嫨浜у搧镞惰ゆ竻浜у搧涓婄殑鍙傛暟镙囱瘑锛岄夋嫨镊宸辨弧镒忕殑浜у搧锛屾瘯绔熷ソ鐢ㄧ殑浜у搧镓嶆槸鎴戜滑闇瑕佺殑銆
鐩镐俊澶у跺湪鐪嬩简浠ヤ笂灏忕紪镄勪粙缁嶅悗搴旇ヨ兘浜呜В浜哢SB2.0镄勭浉鍏崇煡璇嗕简钖э纴甯屾湜浠婂悗娑堣垂钥呭湪阃夎喘浜у搧镞朵竴瀹氲佹敞镒废SB2.0杩欎竴镣癸纴锲犱负瀹冨逛簬MP3銆侀棯瀛樼洏镄勯珮阃熶紶杈撹捣鍒伴潪甯搁吨瑕佺殑浣灭敤銆