鎽� 瑕侊細
MICRF004 鏄疢icrel鍏徃鏈€鏂版帹鍑虹殑灏忓瀷鍠墖鐒$窔閫氫俊鎺ユ敹鍣ㄩ泦鎴愰浕璺�銆傚埄鐢ㄥ畠鍙湡姝e鐝�(xi脿n)鍠墖姗�(j墨)鈥滅劇绶氳几鍏�銆佹暩(sh霉)鎿�(j霉)杓稿嚭鈥濆姛鑳姐€傚彟澶栵紝MICRF004鐨勬晥鐜囧拰鍙潬鎬ч兘闈炲父楂�锛屾槸鐩墠鐒$窔閫氫俊鎳�(y墨ng)鐢ㄩ牁(l菒ng)鍩熸垚鏈渶浣庣殑鍠墖瑙f焙鏂规銆傛枃涓粙绱逛簡瀹冪殑涓昏鐗归粸銆佸紩鑵冲姛鑳�銆佸伐浣滃師鐞嗗拰鍏稿瀷鎳�(y墨ng)鐢ㄩ浕璺€傚悓鏅傞倓绲﹀嚭浜嗙敱 MICRF004绲勬垚鐨�150MHz銆�1kb/s鎺ユ敹鍣�/瑙g⒓鍣ㄧ殑瀵﹂殯闆昏矾鍜屽叾澶栧湇鍏冧欢鐨勫叿楂斿弮鏁�(sh霉)銆�
闂�(gu膩n)閸佃锛�鐒$窔閫氳▕ 鎺ユ敹鍣� 灏忓姛鐜� MICRF004
1 姒傝堪
MICRF004 鏄疢icrel鍏徃鏈€鏂版帹鍑虹殑灏忓瀷鍠墖鐒$窔閫氫俊鎺ユ敹鍣ㄩ泦鎴愰浕璺�銆傚畠鏄偤鐢氶珮闋绘锛圴HF闋绘锛夌殑鐒$窔閫氫俊鎳�(y墨ng)鐢ㄨ€屽皥闁€瑷�(sh猫)瑷堢殑鐒$窔鎺ユ敹鍣ㄤ欢銆傚埄鐢� MICRF004鍙湡姝e鐝�(xi脿n)鍠墖鍖栤€滅劇绶氳几鍏�銆佹暩(sh霉)鎿�(j霉)杓稿嚭鈥濆姛鑳�銆傛墍鏈夊皠闋伙紙RF锛夊拰涓牷锛圛F锛夌殑瑾�(di脿o)鏁村潎鍙湪鍣ㄤ欢鍏�(n猫i)閮ㄨ嚜鍕曞畬鎴�锛屽洜鑰屽彲妤靛ぇ鍦伴檷浣庨枊鐧�(f膩)鎴愭湰锛岀府鐭敘(ch菐n)鍝佸競鍫村寲鐨勯€�(j矛n)绋�銆傚彟澶�锛岀敱浜嶮ICRF004鐨勬晥鐜囧拰鍙潬鎬ч兘闈炲父楂�銆傛墍浠�锛屽畠鏄洰鍓嶇劇绶氶€氫俊鎳�(y墨ng)鐢ㄩ牁(l菒ng)鍩熸垚鏈渶浣庣殑鍠墖瑙f焙鏂规銆�
MICRF004 鐨勪娇鐢ㄩ潪甯告柟渚�銆傚畠鍙互鎻愪緵鍥哄畾鍜屾巸鎻忓叐绋熀鏈殑鎿嶄綔姊�銆傚湪鍥哄畾鎿嶄綔妯″紡鏅傦紝MICRF004鐨勫姛鑳藉氨鍍忎竴鍊嬪叿鏈夊浐瀹氭湰鎸牷鐜囩殑鍌崇当(t菕ng)瓒呭宸紡鎺ユ敹姗�(j墨)锛屽叾鍏�(n猫i)閮ㄦ湰鎸搷浣滈牷鐜囩敱澶栭儴鏅舵尟鎻愪緵銆傚浐瀹氭ā寮忛€氬父鐢ㄥ湪鐧�(f膩)灏勮兘琚櫠楂旀垨SAW锛堣伈琛ㄩ潰娉級鍣ㄤ欢绮剧⒑鎺у埗鐨勫牬鍚堬紱鍦ㄦ巸鎻忔搷浣滄檪锛孧ICRF004灏囧湪姝ゅ熀甯舵暩(sh霉)鎿�(j霉)姣旂巼鏇村ぇ鐨勮寖鍦嶅収(n猫i)鎺冩弿鏈尟闋荤巼锛屽緸鑰屾湁鏁堟嫇瀵簡鎺ユ敹姗�(j墨)鐨凴F甯跺銆傚洜姝�锛孧ICRF004鐒¢渶灏堥杸鐨勮(di脿o)璜ч浕璺究鍙帴鏀剁啊鍠粔鍍圭殑LC鐧�(f膩)灏勬(j墨)鎵€鐧�(f膩)鍑虹殑淇¤櫉锛岃€屼笖鐢氳嚦鍙互灏囨帴鏀惰寖鍦嶆嫇瀵埌瓒呭宸寖鍦�銆傚湪閫欑ó妯″紡涓�锛岀郴绲�(t菕ng)渚垮彲鐢�0.5%鐨勫粔鍍归櫠鐡峰櫒浠朵締浠f浛鏄傝泊鐨勭煶鑻辨櫠楂斾綔鐐哄弮鑰�銆�

闂�(gu膩n)鏂锋帶鍒舵槸MICRF004鐨勪竴鍊嬮噸瑕佺壒榛�锛屽埄鐢ㄩ€欎竴鐗规€у彲浠ュ湪鍛ㄦ湡鎿嶄綔锛坉uty-cycled锛夊拰鍠氶啋杓稿嚭鍑虹従(xi脿n)RF淇¤櫉鏅傜偤鍏舵彁渚涢倧杓寚绀�锛屽苟浣縈ICRF004鑳藉閬╂噳(y墨ng)灏忓姛鐜囧拰妤靛皬鍔熺巼鐨勬柟闈㈡噳(y墨ng)鐢�锛屾瘮濡俁KE锛坮emote keyless entry锛夊拰RFID锛圧F identification锛夌瓑绯荤当(t菕ng)銆�
MICRF004 鍙偤绯荤当(t菕ng)瑙h(di脿o)鍣ㄦ彁渚涙墍鏈夌殑鏁�(sh霉)鎿�(j霉)婵炬尝鍔熻兘锛岄€欎究鐪佸幓浜嗕互寰€鎵€蹇呴渶鐨勫閮ㄦ烤娉㈠櫒銆侻ICRF004鍏�(n猫i)鍚洓鍊嬫烤娉㈠櫒锛屽叾涓箣涓€鍦ㄦ暩(sh霉)鎿�(j霉)閫熺巼甯跺鑼冨湇鍏�(n猫i)閲囩敤浜嗙法绋嬫柟寮忋€侻ICRF004鍦ㄦ巸鎻忔ā寮忔檪锛屽叾浜岄€�(j矛n)鍒跺付瀵寖鍦嶇偤0.55kHz锝�4.4kHz锛岃€屽湪鍥哄畾妯″紡锛屽叾甯跺鑼冨湇鐐�1.1kHz锝�8.8kHz銆�
鍙﹀锛孧ICRF004閭勬湁濡備笅涓昏鐗归粸锛�
鈼忓湪鍠墖涓婇泦鎴愪簡鍏ㄩ儴鐨刅HF鎺ユ敹鍔熻兘锛�
鈼忛牷鐜囪寖鍦嶅彲閬�(d谩)140MHz锝�200MHz锛�
鈼忓柈妤靛ぉ绶氭帴鏀舵檪锛屽叾鍏稿瀷鎺ユ敹璺濋洟鐐�200绫�锛�

鈼忓湪鎺冩弿妯″紡鏅�锛屽叾鏁�(sh霉)鎿�(j霉)閫熺巼鐐�2.5kb/s锛涜€屽湪鍥哄畾妯″紡鏅傦紝鍏舵暩(sh霉)鎿�(j霉)閫熺巼鐐�10kb/s锛�
鈼忓彲鑷嫊瑾�(di脿o)鏁�锛岀劇闇€浜哄伐瑾�(di脿o)璜�锛�
鈼忕劇闇€澶栭儴婵炬尝鍣�锛�
鈼忓湪150kHz鏅傦紝鍏堕浕婧愭搷浣滈浕娴佷綆閬�(d谩)240渭A锛�
鈼忓彲鐢ㄥ井铏曠悊鍣ㄦ垨浣胯兘绶ㄧ⒓鍣ㄤ締鍠氶啋鎿嶄綔锛�
鈼忓叿鏈夋(bi膩o)婧�(zh菙n)鐨処cs CMOS閭忚集鎺ュ彛锛�
鈼忓叿鏈夋サ浣庣殑RF澶╃窔鍐嶇櫦(f膩)灏勭壒鎬�锛�
MICRF004鏄偤鐢氶珮闋绘锛圴HF闋绘锛夌劇绶氶€氫俊鎳�(y墨ng)鐢ㄨ€屽皥闁€瑷�(sh猫)瑷堢殑澶╃窔鎺ユ敹灏堢敤闆嗘垚闆昏矾銆傚洜鑰屽彲寤f硾鐢ㄤ簬姹借粖閬欐帶銆佸厓璺濋洟灏勯牷鎺ユ敹銆侀仩(yu菐n)绋嬮ⅷ(f膿ng)鎵囧拰鐕堝厜鎺у埗浠ュ強姹借粖澶ч杸鐨勮嚜鍕曢枊鍟熷拰鎺у埗绛夋柟闈€€�
2銆佸紩鑵虫帓鍒楀拰鍔熻兘
MICRF004閲囩敤16鑵矰IP鎴朣OP灏佽褰㈠紡锛屽湒1鎵€绀烘槸瀹冪殑寮曡叧鎺掑垪锛屽悇寮曡叧鐨勫姛鑳借鏄庡琛�1鎵€绀�銆�
琛�1 MICRF004鐨勫紩鑵冲姛鑳借鏄�
3銆佸伐浣滃師鐞�
MICRF004 鐨勫収(n猫i)閮ㄥ伐浣滃師鐞嗘鍦栧鍦�2鎵€绀恒€傚緸鍦栦腑鍙互鐪嬪嚭锛歁ICRF004鐢盪HF涓嬭畩闋诲櫒銆丱OK瑙h(di脿o)鍣ㄣ€佸弮鑰冨拰鎺у埗銆佷互鍙婂枤閰嶉浕璺瓑閮ㄥ垎绲勬垚銆傚悓鏅傚湒涓倓鐣嚭浜咰TH銆丆AGC寮曡叧閷㈢殑闆诲浠ュ強REFOSC寮曡叧澶栫殑鍙冭€冩尟钑╁櫒銆傞€欎簺澶栭儴鍣ㄤ欢渚挎槸鍒╃敤MICRF004渚嗘(g貌u)鎴怳HF鎺ユ敹鍣ㄦ墍闇€鐨勫厓浠�銆� MICRF004鍏锋湁SEL0銆丼EL1銆丼WEN鍜孲HUT绛�4鍊嬫帶鍒惰几鍏ュ紩鑵�锛屽埄鐢ㄩ€欏洓鍊嬪紩鑵�锛岀敤鎴跺彲浠ュ皪MICRF004鐨勬搷浣滄ā寮忛€�(j矛n)琛岃ō(sh猫)缃伕鎿�銆傞€欎簺寮曡叧鍏�(n猫i)閮ㄥ潎鏈変笂鎷夐浕闃�锛屼笖鍏惰几鍏ュ潎鑸嘋MOS闆诲钩鍏煎銆�
3.1 甯跺閬告搰
鍒╃敤SEL0鍜孲EL1寮曡叧鍙互灏峂ICRF004鐨勮В瑾�(di脿o)鍣ㄥ付閫�(j矛n)琛岄伕鎿囪ō(sh猫)缃�锛屽湪鎺冩弿妯″紡鏅傦紝鍏跺彲閬告搰鐨勯牷鐜囧付瀵寖鍦嶇偤550Hz锝�4400Hz锛岃€屽湪鍥哄畾妯″紡锛屽叾鍙伕鎿囩殑闋荤巼甯跺鑼冨湇鐐�1100Hz锝�8800Hz銆傝〃2绲﹀嚭浜哅ICRF004鐨勮В瑾�(di脿o)鍣ㄥ付瀵伕鎿囨柟娉�銆�
琛�2 MICRF004鐨勫付瀵伕鎿囨柟寮�
3.2 妯″紡閬告搰
鍒╃敤SWEN鑵崇殑杓稿叆闆诲钩鍙互灏峂ICRF004鐨勬搷浣滄ā寮忛€�(j矛n)琛屾帶鍒�銆傜暥(d膩ng)SWEN鑵崇殑杓稿叆鐐洪珮闆诲钩鏅傦紝鍣ㄤ欢閬告搰鎺冩弿妯″紡锛涜€岀暥(d膩ng)SWEN鑵崇偤浣庨浕骞虫檪锛屽櫒浠堕伕鎿囧浐瀹氭ā寮忋€傚湪鍥哄畾妯″紡鏅�锛孧ICRF004閲囩敤閫氬父鐨勮秴澶栧樊鎺ユ敹鏂瑰紡閫�(j矛n)琛屽伐浣�銆�
鈼忓浐瀹氭搷浣滄ā寮�
濡傛灉鐧�(f膩)灏勭郴绲�(t菕ng)閲囩敤鐨勬槸璞AW鐧�(f膩)灏勬(j墨)閭fǎ姣旇純绌�(w臎n)瀹氱殑鐧�(f膩)灏勮ō(sh猫)鍌欙紝閭d箞锛孧ICRF004渚垮彲閬告搰涓€鑸殑瓒呭宸紡鍥哄畾鎿嶄綔妯″紡閫�(j矛n)琛屾帴鏀跺伐浣溿€傚浐瀹氭ā寮忔墍鑳芥帴鏀剁殑淇¤櫉闋荤巼鑼冨湇杓冪獎锛屼絾鏁�(sh霉)鎿�(j霉)閫熺巼鐩稿皪杓冮珮锛岄€�?锛熸ⅱ璧僟(d谩)鍒�10kb/s浠ヤ笂銆�
鈼忔巸鎻忔搷浣滄ā寮�
鍦ㄦ巸鎻忔ā寮忥紝MICRF004浠嶇劧閲囩敤鎿�(ku貌)灞曠殑瓒呭宸柟寮忛€�(j矛n)琛屽伐浣�锛屼絾鏄渶瑕佸湪LO鏈尟瑾�(di脿o)鍒朵笅閫�(j矛n)琛岋紝閫欐檪鐨勬巸鎻忛€熺巼瑕佹瘮鏅€氱殑鏁�(sh霉)鎿�(j霉)閫熺巼楂樹竴浜�銆傞噰鐢ㄦ巸鎻忔柟寮忓彲浠ユ湁鏁堝湴鎷撳MICRF004鐨勫皠闋诲付瀵�銆傚苟涓斿彲浠ヤ娇鍣ㄤ欢鍦ㄥ閮ㄧ櫦(f膩)灏勯牷鐜囧拰鎺ユ敹闋荤巼閮戒笉鏄崄鍒嗘簴(zh菙n)纰虹殑鎯呮硜涓嬫甯稿伐浣�銆傞噰鐢↙O鏈尟瑾�(di脿o)鍒舵柟寮忓苟涓嶅奖闊跨郴绲�(t菕ng)鐨勪腑闋诲付瀵�锛岃€屼笖鐩稿皪浜庡浐瀹氭搷浣滄ā寮忎締瑾�锛屾巸鎻忔ā寮忓湪涓牷鎶楀櫔鑱叉柟闈㈢殑鎬ц兘涔熸矑鏈夊澶х殑娓涘急銆傚洜姝わ紝鐒¤珫鏄湪鍥哄畾鎿嶄綔妯″紡閭勬槸鍦ㄦ巸鎻忔搷浣滄ā寮�锛屽畠鍊戠殑IF甯跺鍧囩偤500kHz銆備絾鏄紝LO鏈尟瑾�(di脿o)鍒跺皣灏嶉€熺巼鐢�(ch菐n)鐢熷奖闊�锛屽湪鎺冩弿妯″紡鏅傦紝鍏堕€熺巼涓婇檺澶х磩鐐�2.5kb/s銆�
3.3 鍙冭€冩尟钑�
MICRF004鐨勬墍鏈夊畾鏅傚拰瑾�(di脿o)璜ч兘鏄湪鍣ㄤ欢鍏�(n猫i)閮ㄧ殑鍙冭€冩尟钑╁櫒鐨勫熀绀�(ch菙)涓婇€�(j矛n)琛岀殑銆傞€欎簺瑾�(di脿o)璜ф搷浣滃彲浠ュ湪REFOSC寮曡叧閫氶亷涓嬪垪涓夌ó鏂瑰紡涔嬩竴渚嗛€�(j矛n)琛岋細
锛�1锛夐€f帴涓€鍊嬮櫠鐡峰叡槌村櫒锛�
锛�2锛夐€f帴涓€鍊嬬煶鑻辨櫠楂旀尟钑╁櫒锛�
锛�3锛夌敤涓€鍊嬪閮ㄧ殑瀹氭檪淇¤櫉渚嗛﹨(q奴)鍕昍EFOSC寮曡叧銆�
濡傛灉鐢ㄦ櫠楂旀尟钑╁櫒鎴栬€呴櫠鐡峰叡鎸櫒鎺у埗涓嬬殑寰檿鐞嗗櫒渚嗙敘(ch菐n)鐢熸尟钑╀俊铏�锛屼篃灏辨槸瑾郴绲�(t菕ng)鐨勪俊铏熼牷鐜囨瘮杓冪簿纰烘檪锛屼互涓婁笁绋柟娉曞皪浜庨檷浣庣郴绲�(t菕ng)鎴愭湰鏄潪甯告湁鐢ㄧ殑銆�

3.4 鍠氶啋鍜岄棞(gu膩n)鏂�
MICRF004 涓枤閱掗浕璺殑涓昏浣滅敤鏄偤浜嗘笡灏戞暣鍊嬬郴绲�(t菕ng)鐨勯浕婧愬姛鑰椼€俉AKEB鐐洪倧杓俊铏熻几鍑虹锛岀暥(d膩ng)绯荤当(t菕ng)鍦ㄦ娉㈣几鍑轰俊铏熶腑鐩�(ji膩n)娓埌鏈塕F杓夋尝鏅�锛學AKEB绔几鍑轰綆闆诲钩淇¤櫉銆傝┎杓稿嚭鑳藉鍦ㄧ櫦(f膩)鐝�(xi脿n)RF淇¤櫉鏅傜敤渚嗕娇鑳芥暩(sh霉)鎿�(j霉)瑙g⒓鍣ㄥ拰寰檿鐞嗗櫒绛夊閮ㄩ浕璺€傜暥(d膩ng)鐒�锛屽彧鏈夊湪绯荤当(t菕ng)铏曚簬闂�(gu膩n)鏂锋ā寮忔檪锛屾墠鑳戒娇鐢ㄥ枤閱掑姛鑳姐€�
鍠氶啋鍔熻兘鍖呭惈鍦ㄥ櫒浠跺収(n猫i)閮ㄧ殑涓€鍊嬪彲鎭㈠京(f霉)瑷堟暩(sh霉)鍣ㄤ腑锛屽畠閲囩敤2.34kHz鍏�(n猫i)閮ㄦ檪閻�銆傝┎鏅傞悩鐢变竴鍊嬪収(n猫i)閮�6.0MHz鐨勫弮鑰冮牷鐜囩敘(ch菐n)鐢熴€傜暥(d膩ng)閫欏€�23.4kHz鏅傞悩琚洠(ji膩n)娓埌鏅�锛岀郴绲�(t菕ng)灏囧湪5.12ms锛堝湪25kHz鏅傞渶閬�128鍊嬫檪閻樺懆鏈燂級涔嬪悗浣縒AKEB绔€�(j矛n)鍏ヤ綆闆诲钩锛屽苟涓€鐩存寔绾�(x霉)鍒版暩(sh霉)鎿�(j霉)闁嬪銆傞€�5ms鐨勬寔绾�(x霉)鏅傞枔闈炲父鐝嶈泊锛屽畠鍙互妤靛ぇ鍦扮郴绲�(t菕ng)鐩�(ji膩n)娓笡灏戠殑鍑洪尟鐜�銆傝€屼笖涓嶉渶瑕佸皪淇¤櫉閫�(j矛n)琛岃綁(zhu菐n)鎻涜(b菙)鍎�銆傚洜姝わ紝鐢ㄩ€欑ó鏂规硶渚嗗畬鎴愬枤閱掑姛鑳芥槸闈炲父鏂逛究鐨�銆�
闂�(gu膩n)鏂峰姛鑳芥槸鐢盨HUT鑵崇殑閭忚集鐙€鎱�(t脿i)渚嗘帶鍒剁殑銆傜暥(d膩ng)V SHUT鐐洪珮鏅�锛岀郴绲�(t菕ng)閫�(j矛n)鍏ヤ綆鍔熻€楀緟闆绘ā寮�锛屾鏅傜殑寰呴浕闆绘祦浣庝簬1渭A銆�
4銆佹噳(y墨ng)鐢ㄩ浕璺�
4.1 鍏稿瀷鎳�(y墨ng)鐢ㄩ浕璺�
MICRF004 鍙敤浜庡绋劇绶氶€氫俊鎳�(y墨ng)鐢ㄩ牁(l菒ng)鍩�銆傚湒3鏄疢ICRF004鐢ㄤ簬150MHz 1200b/s闁嬮棞(gu膩n)閸垫帶鎺ユ敹鍣ㄧ殑鍏稿瀷鎳�(y墨ng)鐢ㄩ浕璺€傝┎鍏稿瀷鎳�(y墨ng)鐢ㄩ浕璺崄鍒嗙啊鍠�锛屾墍鐢ㄧ殑澶栧湇鍏冧欢寰堝皯锛屽畠閲囩敤4.85MHz闄跺叡槌村櫒浣滃閮ㄦ尟钑╁櫒銆侰AGC寮曡叧澶� 4.7渭F闆诲鍣ㄧ殑浣滅敤鏄敤渚嗗拰鍣ㄤ欢鍏�(n猫i)閮ㄧ殑AGC闆昏矾涓€璧蜂締灏峂ICRF004鐨勫鐩婇€�(j矛n)琛岃嚜鍕曟帶鍒�銆傝€孋TH寮曡叧涓婄殑0.047渭F闆诲鍣ㄥ墖鐢ㄤ締缍(h霉)鍏�(n猫i)閮ㄦ瘮杓冨櫒杓稿叆绔洿娴侀浕骞充笂鐨勮В瑾�(di脿o)娉㈠舰銆傝┎闆昏矾閲囨湁+5V闆绘簮闆诲閫�(j矛n)琛屽伐浣�銆�

4.2 瀵﹂殯鎳�(y墨ng)鐢ㄩ浕璺�
鍦�4鏄竴鍊嬬敤MICRF004渚嗚ō(sh猫)瑷�150MHz 1kb/s闁嬮棞(gu膩n)閸垫帶鎺ユ敹/璀⒓鍣ㄧ殑瀵﹂殯鎳�(y墨ng)鐢ㄩ浕璺�銆傝┎闆昏矾鍙湪闈炲伐浣滃懆鏈熸儏娉佷笅閫�(j矛n)琛岄€g簩(x霉)鍦版帴鏀舵巸鎻�銆傚畠琚ō(sh猫)瑷堟垚鎺冩弿妯″紡锛屽叿鏈�6鍊嬪湴鍧€瑙g⒓浣嶅拰2鍊嬭几鍑虹法纰间綅銆�
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