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ATMEGA48PA-PU鏄竴娆鹃珮鎬ц兘銆佷綆鍔熻�楃殑8浣嶅井鎺у埗鍣�锛岀敱Atmel鍏徃鐢熺敘(ch菐n)銆傚畠鏄疉Tmega绯诲垪寰帶鍒跺櫒鐨勪竴鍝�锛屽叿鏈夊绋姛鑳藉拰鎬ц兘鍎�(y艒u)鍕�锛岄仼鐢ㄤ簬鍚勭ó鎳夌敤闋樺煙锛屽寘鎷伐妤�(y猫)鎺у埗銆佹苯杌婇浕瀛愩�佸闆�銆侀�氫俊绛�銆�
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瑭插井鎺у埗鍣ㄥ収(n猫i)缃簡4KB鐨勯杻瀛樺瓨鍎插櫒锛岀敤浜庡瓨鍎茬▼搴忎唬纰煎拰鏁�(sh霉)鎿�(j霉)銆傞杻瀛樺彲浠ラ�氶亷ISP锛圛n-System Programming锛夋帴鍙ｉ�茶绶ㄧ▼锛屾敮鎸佽嚜鍕曟牎椹楀拰淇京鍔熻兘锛岀⒑淇濈▼搴忕殑鍙潬鎬у拰瀹屾暣鎬�銆傛澶栵紝ATMEGA48PA-PU閭勫叿鏈�256瀛楃瘈(ji茅)鐨凟EPROM锛圗lectrically Erasable Programmable Read-Only Memory锛夊拰512瀛楃瘈(ji茅)鐨勯潨鎱�(t脿i)RAM锛圧andom Access Memory锛�锛屽彲鐢ㄤ簬瀛樺劜闈炴槗澶辨�ф暩(sh霉)鎿�(j霉)鍜岃嚚鏅傝畩閲�銆�
ATMEGA48PA-PU鐨勫熀鏈祼妲嬪寘鎷腑澶檿鐞嗗櫒锛圕PU锛�銆佸瓨鍎插櫒銆佸瑷拰I/O绔彛銆侰PU閲囩敤Harvard鏋舵锛屽叿鏈�32鍊嬮�氱敤瀵勫瓨鍣ㄥ拰涓�绲勫挤澶х殑鎸囦护闆�銆傚畠鏀寔澶氱ó鏁�(sh霉)鎿�(j霉)椤炲瀷鍜屾搷浣�锛屽寘鎷畻琛撻亱绠椼�侀倧杓亱绠�銆佷綅鎿嶄綔绛夈�侰PU閭勫叿鏈夊绋腑鏂锋簮鍜屼腑鏂峰悜閲�锛屽彲浠ュ鐝�(xi脿n)蹇�熼熆鎳夊閮ㄤ簨浠�锛屽苟鍙婃檪铏曠悊銆�
銆�銆�瑭插井鎺у埗鍣ㄧ殑澶栬ō鍖呮嫭澶氱ó閫氫俊鎺ュ彛锛堝UART銆丼PI銆両2C锛�銆佹ā鎿�-鏁�(sh霉)瀛楄綁(zhu菐n)鎻涘櫒锛圓DC锛�銆佸畾鏅傚櫒/瑷堟暩(sh霉)鍣ㄣ�丳WM锛圥ulse Width Modulation锛夎几鍑虹瓑銆傞�欎簺澶栬ō鍙互鑸囧閮ㄨō鍌欓�茶閫氫俊鍜屾帶鍒讹紝瀵︾従(xi脿n)鏁�(sh霉)鎿�(j霉)閲囬泦銆侀�氫俊銆佽▓鏅傜瓑鍔熻兘銆傛澶栵紝ATmega48PA-PU閭勫叿鏈夊鍊婭/O绔彛锛岀敤浜庨�ｆ帴澶栭儴鍣ㄤ欢鍜屽偝鎰熷櫒銆�
銆�銆�ATMEGA48PA-PU鐨勬搷浣滅悊璜栧熀浜嶢VR鏋舵鍜屾寚浠ら泦銆傚畠浣跨敤鍩轰簬瀵勫瓨鍣ㄧ殑鏁�(sh霉)鎿�(j霉)瀛樺劜鍜岃檿鐞嗘柟寮忥紝鍏锋湁楂樻晥鐨勫煼(zh铆)琛岄�熷害鍜屼綆鍔熻�楃壒鎬�銆傜▼搴忓彲浠ラ�氶亷绶ㄨ鍣ㄧ敓鎴愮殑姗熷櫒纰间締鎺у埗寰帶鍒跺櫒鐨勫悇鍊嬪姛鑳藉拰澶栬ō銆傞�氶亷璁�瀵瘎瀛樺櫒鍜屽収(n猫i)瀛樹腑鐨勬暩(sh霉)鎿�(j霉)锛屽彲浠ュ鐝�(xi脿n)鏁�(sh霉)鎿�(j霉)铏曠悊銆佺媭鎱�(t脿i)鎺у埗銆侀�氫俊鍜岃▓鏅傜瓑鎿嶄綔銆�
ATMEGA48PA-PU鐨勫伐浣滃師鐞嗘槸鍩轰簬RISC锛堢簿绨℃寚浠ら泦瑷堢畻姗燂級鏋舵銆傚畠浣跨敤Harvard绲愭锛屽皣绋嬪簭瀛樺劜鍣ㄥ拰鏁�(sh霉)鎿�(j霉)瀛樺劜鍣ㄥ垎闁�锛屼互瀵︾従(xi脿n)骞惰鎿嶄綔銆傜暥ATMEGA48PA-PU鎺ユ敹鍒板閮ㄧ殑鏅傞悩淇¤櫉鏅�锛屽畠鏈冩牴鎿�(j霉)绋嬪簭瀛樺劜鍣ㄤ腑鐨勬寚浠�锛屽煼(zh铆)琛岀浉鎳夌殑鎿嶄綔銆傚叾鍏�(n猫i)閮ㄧ殑ALU锛堢畻琛撻倧杓柈鍏冿級鍙互閫茶鍚勭ó绠楄鍜岄倧杓亱绠�锛屽緸鑰屽鐝�(xi脿n)瑷堢畻鍜屾帶鍒剁殑鍔熻兘銆�
8浣嶇殑RISC鏋舵
銆�銆�宸ヤ綔闋荤巼锛氭渶楂�20MHz
銆�銆�闁冨瓨瀛樺劜瀹归噺锛�4KB
銆�銆�SRAM瀹归噺锛�512瀛楃瘈(ji茅)
銆�銆�EEPROM瀹归噺锛�256瀛楃瘈(ji茅)
銆�銆�I/O寮曡叧鏁�(sh霉)閲忥細32鍊�
銆�銆�閫氱敤瀹氭檪鍣�/瑷堟暩(sh霉)鍣細2鍊�
銆�銆�PWM閫氶亾锛�6鍊�
銆�銆�涓插彛閫氫俊鎺ュ彛锛�1鍊�
銆�銆�ADC閫氶亾锛�6鍊�
銆�銆�鍏�(n猫i)閮ㄦ檪閻樻簮锛�8MHz
銆�銆�宸ヤ綔闆诲锛�2.7V鑷�5.5V
ATMEGA48PA-PU鐨勪富瑕佺壒榛炲涓嬶細
銆�銆�1銆侀珮鎬ц兘锛氳┎寰帶鍒跺櫒閲囩敤鍏堥�茬殑RISC鏋舵锛屽叿鏈夐珮閬�20 MIPS鐨勯亱绠楅�熷害锛岃兘澶�?q奴)宕縁(xi脿n)蹇�熺殑鏁�(sh霉)鎿�(j霉)铏曠悊鍜岄珮鏁堢殑鎺у埗銆�
銆�銆�2銆佷綆鍔熻�楋細ATMEGA48PA-PU閲囩敤浣庡姛鑰楁妧琛�锛屽叿鏈夊绋渷闆绘ā寮�锛屽彲浠ュ湪涓嶅悓鐨勫伐浣滄浠朵笅鑷嫊閬告搰鏈�浣崇殑鍔熻�楁ā寮忥紝寰炶�屽欢闀烽浕姹犲＝鍛�銆�
銆�銆�3銆佸ぇ瀹归噺瀛樺劜鍣細瑭插井鎺у埗鍣ㄥ収(n猫i)缃�4KB鐨勯杻瀛樼▼搴忓瓨鍎插櫒锛屼互鍙�512B鐨凟EPROM鍜�512B鐨凷RAM锛屽彲浠ュ瓨鍎插ぇ閲忕殑绋嬪簭浠ｇ⒓鍜屾暩(sh霉)鎿�(j霉)銆�
銆�銆�4銆佽睈瀵岀殑澶栬ō锛欰TMEGA48PA-PU鍏锋湁澶氬�嬮�氱敤杓稿叆杓稿嚭寮曡叧锛屽彲浠ョ敤浜庨�ｆ帴鍚勭ó澶栭儴鍣ㄤ欢鍜屽偝鎰熷櫒銆傚畠閭勬敮鎸佸绋�氫俊鎺ュ彛锛屽寘鎷琔ART銆丼PI鍜孖2C锛屼互瀵︾従(xi脿n)鑸囧叾浠栬ō鍌欑殑鏁�(sh霉)鎿�(j霉)浜ゆ彌銆�
銆�銆�5銆佸挤澶х殑瀹氭檪鍣�/瑷堟暩(sh霉)鍣細寰帶鍒跺櫒鍏�(n猫i)缃鍊嬪畾鏅傚櫒/瑷堟暩(sh霉)鍣紝鍙互鐢ㄤ簬娓噺鏅傞枔銆佺敓鎴愮簿纰虹殑鏅傚簭淇¤櫉锛屼互鍙婂鐝�(xi脿n)PWM杓稿嚭绛夊姛鑳�銆�
銆�銆�6銆佸绋皝瑁濋伕闋咃細ATMEGA48PA-PU鍙彁渚涘绋皝瑁濋伕闋�锛屽寘鎷琍DIP銆乀QFP鍜孮FN绛夛紝浠ユ豢瓒充笉鍚屾噳鐢ㄥ牬鏅殑闇�姹�銆�
ATMEGA48PA-PU鐨勫唬娉涙噳鐢ㄤ簬鍚勭ó宓屽叆寮忕郴绲�(t菕ng)鍜岄浕瀛愯ō鍌欎腑銆傜敱浜庡畠鍏锋湁楂樻�ц兘銆佷綆鍔熻�楀拰璞愬瘜鐨勫姛鑳斤紝鍥犳鍦ㄨū澶氶牁鍩熼兘鏈夋噳鐢�锛屽寘鎷絾涓嶉檺浜庝互涓嬪咕鍊嬫柟闈細
銆�銆�(1) 宸ユキ(y猫)鎺у埗鍜岃嚜鍕曞寲锛欰TMEGA48PA-PU鍙互鐢ㄤ簬宸ユキ(y猫)鎺у埗绯荤当(t菕ng)銆佽嚜鍕曞寲瑷倷鍜屽剙琛ㄧ瓑銆傚畠鍙互瀵︾従(xi脿n)鏁�(sh霉)鎿�(j霉)閲囬泦銆佷俊铏熻檿鐞�銆佹帶鍒剁畻娉曞拰閫氫俊鎺ュ彛绛夊姛鑳�銆�
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銆�銆�(3) 閫氫俊瑷倷鍜岀恫(w菐ng)绲¤ō鍌欙細ATMEGA48PA-PU鍙互鎳夌敤浜庨�氫俊瑷倷鍜岀恫(w菐ng)绲¤ō鍌�锛屽璺敱鍣�銆佷氦鎻涙銆佺劇绶氬偝鎰熷櫒缍�(w菐ng)绲＄瓑銆傚畠鍙互瀵︾従(xi脿n)鏁�(sh霉)鎿�(j霉)铏曠悊銆侀�氫俊鎺ュ彛鍜岀恫(w菐ng)绲″崝(xi茅)璀扮瓑鍔熻兘銆�
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ATMEGA48PA-PU鏄竴娆鹃珮鎬ц兘銆佷綆鍔熻�楃殑8浣嶅井鎺у埗鍣紝寤ｆ硾鐢ㄤ簬宓屽叆寮忕郴绲�(t菕ng)鍜岄浕瀛愯ō鍌欎腑銆備笅闈㈡槸闂滀簬濡備綍浣跨敤ATMEGA48PA-PU鐨勪竴浜涘熀鏈椹燂細
銆�銆�1銆佺‖浠堕�ｆ帴锛氶鍏堬紝灏嘇TMEGA48PA-PU鑺墖鎻掑叆鐩告噳鐨勬彃搴ф垨鐒婃帴鍒伴浕璺澘涓�銆傜⒑淇濊姱鐗囨彃鍏ユ纰�锛岄伩鍏嶆彃鍙嶆垨鎻掓銆�
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銆�銆�3銆佸閮ㄦ櫠鎸細濡傛灉闇�瑕佷娇鐢ㄥ閮ㄦ檪閻樻簮渚嗘彁渚涚簿婧栫殑鏅傞悩淇¤櫉锛屽彲浠ュ皣鏅舵尟鍜岀浉闂滅殑闆诲閫ｆ帴鍒拌姱鐗囩殑鏅舵尟寮曡叧锛圶TAL1鍜孹TAL2锛�銆傚鏋滀娇鐢ㄥ収(n猫i)閮ㄦ檪閻樻簮锛屽墖涓嶉渶瑕侀�ｆ帴澶栭儴鏅舵尟銆�
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