Ukutshintsha i-EM4100 NgeeKhadi ze-EM4200: Uluhlu lokuHlola oluhambelanayo lwe-125 KHz IiNkqubo zokuFikelela

I-EM Microelectronic yenzelwe i-EM4200 njengokutshintshwa ngokuthe ngqo kwi-EM4100/4102 yayo endala kunye ne-EM4005/4105 efundwayo -kuphela kwee-ICs ze-transponder kwinqanaba lonxibelelwano{6}}iprotocol. Oko kwenza i-EM4200 ibe ngumgqatswa onengqondo xa inkqubo yofikelelo ye-125 kHz yelifa idinga amakhadi okutshintshwa.

Ayithethi ukuba lonke ikhadi le-EM4200 eligqityiweyo lizakuziphatha ngokuzenzekelayo njengalo lonke ulwazi oludala lwe-EM4100 kuyo yonke indlela yofikelelo efakiweyo{2}}inkqubo yolawulo. Itshiphu, ukhetho lohlengahlengiso, ukuguqula iikhowudi zomfundi, -ukuya{5}}isiphumo solawulo kunye nomboniso wesiseko sedata zonke kufuneka zihambelane.

Esi sikhokelo sesabaphathi bamaziko, ukufikelela-abahlanganisi bolawulo kunye namaqela okuthenga athatha indawo yamakhadi angama-125 kHz ngaphandle kokutshintsha yonke isiseko somfundi.

 

Qala ngentsingiselo ethi "Iyahambelana"

Ukuhambelana kunemigangatho emininzi.

Umdlalo wefrikhwensi lisango lokuqala kuphela. Iziqinisekiso ezibini zinokuthengiswa zombini njenge "125 kHz" kwaye zisasilela kumaleko amva.

Syntek'sisikhokelo sokuhambelana kweziqinisekiso ezikufutshaneicacisa lenkqubo{0}}umgaqo wenqanaba kwiinkcukacha ezithe vetshe.

 

Yintoni i-EM Microelectronic eyithethayo malunga ne-EM4200

I-EM Microelectronic ichaza i-EM4200 njengesiqhelo-esisezantsi, funda{2}}kuphela isazisi sokuqhagamshelwa ngaphandle koqhagamshelwano lwe-IC ejolise ekuthatheni indawo ngokuthe ngqo i-EM4100/4102 kunye ne-EM4005/4105. Amaxwebhu ayo emveliso yangoku ithi i-EM4200 ihambelana ngokupheleleyo nezo ndlela zonxibelelwano.

Uluhlu olufanayo lwamaxwebhu asemthethweni:

• i-100 ukuya kwi-150 kHz uluhlu lwamaza okusebenza;
• i-laser -elungiselelwe ukufunda-kuphela i-ROM;
• 64-, 96- okanye 128-bit iinketho ROM;
• I-Manchester, i-Biphase, i-PSK kunye ne-FSK iinketho ze-encoding;
• data ezininzi{0}}ukhetho lomlinganiselo;
• iinketho ezahlukeneyo ezihlanganisiweyo zeresonant{0}}yecapacitor.

Isalathiso esigunyazisiweyo yiEM4200 iphepha lemvelisokunye nephepha ledatha elidityanisiweyo.

Ibinzana elithi "indawo ethe ngqo" ngoko ke inesiseko setshiphu eyomeleleyo-inqanaba. Inkqubo isafuna ukuqinisekisa ukuba loluphi uqwalaselo lwe-EM4200 olusetyenziswa yikhadi eligqityiweyo kwaye yeyiphi ifomathi elindelwe ngumfundi ohlohliweyo.

 

I-EM4200 yiNdlela yoTshintsho, hayi uPhuculo loKhuseleko

I-EM4200 sisixhobo sokuchonga esifundwayo kuphela-. Umzi-mveliso wayo{3}ikhowudi ecwangcisiweyo ihanjiswa xa itshiphu inikwe amandla ngumfundi.

Ukuba inkqubo ekhoyo ye-EM4100 isebenzisa isazisi esisisigxina njengesiqinisekiso, ukutshintsha ikhadi nge-EM4200 kunokugcina loo modeli yokusebenza eyisiseko. Ayongezi ungqinisiso oluthe tye, utshintshiselwano lweenkcukacha ezifihliweyo okanye izitshixo zesicelo.

Loo mahluko ubalulekile kucwangciso lophuculo. Iprojekthi inokuba neenjongo ezimbini ezahlukeneyo:

• iprojekthi eqhubekayo:gcina inkqubo yelifa elisebenzayo 125 kHz isebenza kunye neempawu ezihambelanayo zokubuyisela;
• imfuduko yokhuseleko:hambisa kuyilo lwenkcaza kunye ne-cryptographic ungqinisiso kunye nenkxaso yomfundi eyahlukileyo.

I-EM4200 inokulungela injongo yokuqala. Akufanele kuchazwe njengokusombulula okwesibini.

Ngokhuseleko olubanzi kunye nekhadi-lothelekiso lobuchwephesha, iSyntek'sUfikelelo lwekhadi le-EM{0}}isikhokelo solawulongumnini waloo msebenzi.

 

Uluhlu lwenani labantu abaFakelweyo lokufunda phambi koku-odola amakhadi

Isiza sinokuba nokwahluka kwabafundi ngaphezu kokuba uluhlu lwamakhadi lucebisa.

Ngaphambi kokuba ukhethe enye isiqinisekiso, bhala:

• umenzi womfundi kunye nemodeli;
• umnyango okanye indawo;
• inkxaso yeentsapho eziqinisekisiweyo zeLF ukuba zibhaliwe;
• i-firmware yomfundi okanye uqwalaselo apho lukhoyo;
• umfundi-ukuya{1}}ujongano lomlawuli;
• inani elibonisiweyo kunikezelo{0}}kwisoftware yolawulo xa kuboniswa ikhadi elisebenzayo elaziwayo;
• nayiphi na ikhowudi yesayithi, ikhowudi yoncedo, ikhadi-uluhlu lwenombolo okanye isuntswana{1}}imithetho yefomathi esetyenziswa ngumlawuli.

Ukuba iimodeli ezininzi zabafundi zifakiwe, lonke usapho lwabafundi bezinto eziphathekayo lukwisampulu yovavanyo. Indawo esebenza kumnyango ongaphambili kodwa isilele kwisifundi esidala sokupaka asiyondawo ehambelanayo{1}}ebanzi yokutshintshwa.

 

Sebenzisa iKhadi leLifa eliSebenzayo elaziwayo njengeNkomba

Amagama ekhathalogu ahlala ethembeke kancinci kunesiqinisekiso esisebenzayo esisuka kwindawo eyiyo.

Khetha ikhadi elinye okanye angaphezulu agunyazisiweyo akhoyo kwaye ubambe:

• itshiphu okanye itekhnoloji yokuqinisekisa ukuba iyaziwa;
• inombolo eprintiweyo ekhadini;
• isichongi okanye inombolo yenkcazi eboniswa sisoftwe somfundi;
• inombolo yekhadi elitolikiwe lomlawuli;
• iincwadi zokufunda emnyango apho ikhadi lisebenza khona;
• imilinganiselo yekhadi lomzimba kunye naziphi na iimfuno zoshicilelo.

Isampulu yokutshintshwa kufuneka emva koko ithelekiswe ngokuchasene nesiseko kwinqanaba lenkqubo.

 

Musa ukucinga ukuba inani eliprintiweyo lilingana neKhowudi yeChip ekrwada

Iisistim ezisondeleleneyo zelifa zihlala zibonisa ubungqina obusisiseko obufanayo ngeendlela ezahlukeneyo zamanani.

Umfundi unokukhupha kuphela inxenye yedatha ayifumanayo, acwangcise ngokutsha iibytes, amele ixabiso kwidesimali kunehexadecimal, okanye athumele isilawuli{0}}ifomathi yesiqinisekiso esithile. Inombolo ebonakalayo eprintiweyo ekhadini inokuveliswa kumgaqo weshishini kunokuba ibe yinto ebhaliweyo ngokuthe ngqo kuyo yonke into eluhlaza kwi-chip.

Kwiiprojekthi ezitshintshwayo, umbuzo ofanelekileyo ngulo:

leliphi ixabiso lengqinisekiso ekufuneka isilawuli esifakelweyo kunye nokufikelela kwisiseko sedatha?

Musa ukubhala umyalelo wokuthenga othi kuphela "EM4200, 125 kHz, inombolo efanayo nekhadi elidala" ngaphandle kokuba ukuguqulwa kwamanani kuye kwachazwa ngokwenene.

 

Jonga i-EM4200 Ufakelo lweekhowudi kunye neDatha{1}}Ukhetho lweRayithi

Amaxwebhu asemthethweni e-EM4200 axhasa ukukhowudwa kwedatha okuninzi kunye -nokhetho lomlinganiselo wedatha. Olo bhetyebhetye luluncedo ekuthatheni indawo iintsapho ze-EM ezindala, kodwa ikwathetha ukuba amagama athi "EM4200 ikhadi" akayichazi ngokupheleleyo iprofayile yedatha yeRF.

Inkcazo yokuthengwa kwempahla kufuneka ichonge ulungelelwaniso olulindelwe ngumfundi welifa okanye ifune ukuba umboneleli atshatise isampulu yokusebenza evunyiweyo.

 

Kugqityiwe{0}Ikhadi leRF Ukusebenza kusafuna uvavanyo lwesampulu

I-EM Microelectronic iphawula ukuba i-EM4200 yayiyilelwe ukuphuculwa kokufunda{1}}kuluhlu lokusebenza xa kuthelekiswa nosapho oludala lwe-EM4100/4102. Leyo yingxelo yoyilo lwetshiphu{5}}, ayingomgama oqinisekisiweyo wekhadi ngalinye lePVC eligqityiweyo.

Ukuziphatha okusebenzayo kokufunda kuxhomekeke kwi-eriyali yekhadi/ikhoyili, ulungelelwaniso, indawo yokufunda, ukuqhelaniswa nolwakhiwo olugqityiweyo.

Vavanya ikhadi lokugqibela elinabafundi bokwenene kwiindawo eziqhelekileyo zokubonisa umsebenzisi. Kuphephe ukuvuma ukutshintshwa komboneleli ngomfanekiso wesentimitha enye yegeneric.

 

Qinisekisa uMfundi{0}ku{1}}iPhumo loMlawuli, hayi nje iiBeep ezifundayo

Ibhiphu yokufunda ingqina kuphela ukuba umfundi ubhaqe into ayaziyo. Ayinabungqina bokuba umlawuli ufumene ixabiso elilindelwe yi-database yokufikelela.

Kwisampulu yekhadi ngalinye:

1. bonisa ikhadi kwisifundi esifakiweyo;
2. bamba isichongi okanye imveliso kumda womfundi/umlawuli ukuba isixokelelwano siyasivumela;
3. qinisekisa ufikelelo{0}}lolawulo lwesoftware ebonisa inombolo yenkcazi ecetywayo;
4. bhalisa ikhadi phantsi komsebenzisi wovavanyo;
5. qinisekisa isigqibo esichanekileyo somnyango;
6. phinda kwiimodeli zabafundi abamele;
7. qinisekisa iilog zesiganeko zibonisa uchazo olucetyiweyo olufanayo.

Uvavanyo olupheleleyo lu:

ikhadi → umfundi → isilawuli → ingxelo yobungqina → ukufikelela kwisigqibo → umbhalo wesiganeko

 

Jonga iNdawo{0}}iKhowudi kunye neKhadi{1}}iMithetho yeNani apho iSistim iSebenzisa khona

Iisistim ezininzi zofikelelo ezifakiweyo aziyiphathi ingqinisekiso njengenombolo enye engathintelekiyo. Basenokwahlula isiphumo somlawuli kwindawo/kwindawo nakwindawo yekhadi{1}}nenombolo yeendawo okanye basebenzise enye isuntswana elungisiweyo{2}}yefomati yendibano.

Itshiphu yeRFID ayiyazi ngokuzenzekelayo ukufikelela kwesakhiwo-umgaqo-nkqubo wolawulo lwamanani. Loo mgaqo-nkqubo uhlala kumfundi / umlawuli / ikhonkco ledatha.

Ngaphambi kokutshintshwa kwezinto ezininzi, qinisekisa:

• indawo esebenzayo okanye indawo{0}uluhlu lwekhowudi;
• ikhadi elisebenzayo{0}loluhlu lwamanani;
• ingaba sele ekhona na amanani aphindwe kabini aqinisekisayo;
• umfundi usiguqula njani isichongi se-EM kwifomati yomlawuli;
• ingaba amakhadi asanda kukhutshwa kufuneka aqhubeke nolandelelwano lwamanani olukhoyo;
• nokuba amanani ekhadi abonakalayo kufuneka angqinelane nomelo lwesoftware.

 

Ukwahlula uTshintsho lweKhadi ukusuka kwiKloning yeKhadi

Umzi-mveliso -okufundwayo okucwangcisiweyo-kuphela kwenkcazi ye-EM4200 ayilulo udidi lwemveliso olufana nolwe-LF transponder ephinda ibhaleke esetyenziselwa ukulinganisa enye inombolo yenkcazi.

Xa isibonelelo si-odola iziqinisekiso zokutshintshwa, imodeli yolawulo ekhuselekileyo idla ngokukhupha izichongi ezivunyiweyo ezitsha kwaye izibhalise kugcino lwedatha, ngaphandle kokuba inkqubo efakelweyo kunye nesicwangciso sokufuduka esigunyazisiweyo sifuna ngokucacileyo enye indlela.

Lo mahluko ukwanceda ukuthenga kuthintelwe izicelo ezingaqondakaliyo ezifana "nokukopa amakhadi ethu amadala e-EM4100." Itekhnoloji yeRF, iimfuno zeshishini kunye nenkqubo yogunyaziso kufuneka zichazwe ngokwahlukeneyo.

 

Sebenzisa iMixed{0}}yeMatrix yoVavanyo lokuFunda kwiZakhiwo eziDala

Iisayithi zelifa zihlala ziqokelele i-hardware kwiminyaka emininzi. Yakha i-matrix ehambelanayo kunokuxhomekeka kumfundi omnye wokungena.

Eyona miqolo kufuneka ihambelane nehardware yesayithi.

 

Chaza uLawulo oluPhindwa kabini phambi kokukhutshwa koBuninzi

Funda-kuphela inkcazi ezixhomekeke kulawulo oluchanekileyo{1} lwekhowudi eyodwa.

Ngaphambi kokukhupha ibhetshi:

• chaza ukuba loluphi na umfuziselo wokufanisa ojongiweyo ukuphinda-phinda;
• thelekisa uluhlu lwamakhadi anikezelweyo kunye nedathabheyisi yofikelelo esebenzayo;
• qinisekisa imephu yeenombolo eziprintiweyo kwiimpawu ze-elektroniki ezicetywayo;
• amakhadi okuvalelwa apho amanani angenakulungelelaniswa;
• gcina irekhodi yokukhutshwa enxulumanisa ikhadi lomzimba, umsebenzisi kunye nenombolo yokuqinisekisa esebenzayo.

Impendulo esebenzayo yeRF ayonelanga ukuba iinkcazi ezimbini ezibambekayo zisombulula kwisazisi sofikelelo olufanayo.

 

Yintoni emayifakwe kwi-EM4100-ukuya-EM4200 yoTshintsho RFQ

Guqula ulawulo

Yeyiphi itshiphu, ikhoyili, ulwakhiwo lwekhadi okanye ikhowudi{0}}utshintsho lwefomathi olufuna ukwamkelwa kwakhona

Ukufumana ngokuthe ngqo, iSyntek'sEM4200 blank -ikhadi lemveliso iphephangumnini worhwebo ofanelekileyo. Isigqibo sokutshintshwa kobugcisa kufuneka sisonjululwe phambi kokuba umsebenzi wobugcisa okanye ubuninzi bube yingxoxo ephambili.

 

Yazi Ixesha Lokuyeka Ukugcina Inkqubo Yelifa

Ukutshintsha i-EM4100 nge-EM4200 kunokuba nengqiqo xa injongo yeshishini kukugcina ilifa eligunyazisiweyo 125 kHz ufakelo kunye notshintsho oluncinci lweziseko zophuhliso.

Ukuba eyona njongo iluqilima lokhuseleko lwenkcazi, iinkcukacha eziphathwayo, uqinisekiso oluhlangeneyo okanye ufikelelo lwangoku-ulawulo lolwakhiwo, ukufana-kwe{2}}njengokutshintshwa kwe-LF kunokuhlehlisa kuphela imfuduko yomfundi efunekayo.

Kuloo meko, thelekisa isithinteli somfundi/isilawuli esifakelweyo kunye nenqanaba lokufuduka kwekhadi{0}}kunokuphatha itshiphu yeLF entsha njengokhuseleko lwangoku.

 

Ulandelelwano lwesigqibo soTshintsho

Ulandelelwano olusebenzayo lu:

elaziwayo ikhadi lelifa elisebenzayo → uluhlu lwempahla yomfundi → isiphumo sokuqinisekisa → isilawuli/ ifomathi yesiseko sedatha → EM4200 uqwalaselo lwesampulu → oluxutyiweyo -uvavanyo lomfundi → phinda jonga → ukubhaliswa komsebenzisi → umcimbi-uqinisekiso lwelog → imvume enkulu

Iprotocol ye-EM Microelectronic-isiteyitimenti sokuhambelana yenza i-EM4200 ibe ngumgqatswa owomeleleyo wobuchwephesha othatha indawo ye-EM4100/4102. Isigqibo sokuthunyelwa sigqityiwe kuphela emva kokuba ikhadi eligqityiweyo livelise kwakhona isazisi esilindelekileyo ngokusebenzisa umfundi wangempela, umlawuli kunye nokufikelela kwisiseko sedatha.