ADC Pic16f877a
September 1, 2022 | Author: Anonymous | Category: N/A
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Ecovlrscr Noniõ`fec Jf`ftni
\o ecovlrscr nonic`fec n jf`ftni (NJE), ecovflrtl li vnicr jl uo vcitnml noniõ`fec lo uo ouklrc jf`ftni, lo in Af`urn >.> sl >.> sl kulstrn ics lilklotcs qul acrkno `lolrniklotl uo NJE.
4 > 4 > 4 > > 4 Qfo Jntcs lo bfonrfc
NJE Qrla+ Qrla-
Af`urn >.>
In rlinefõo lotrl li vcitnml jl lotrnjn (Q fo) qul sl vn n illr y li vnicr jf`ftni n in snifjn lstn jnjn pcr in sf`uflotl leunefõo= (Le >.>) Lo lstn leunef leunefõo õo Qrla+ y Qrla- , sco ic vnic vnicrls rls jl vci vcitnml tnml lotrl ics eunils vnrfn vnrfn in slþni jl lotrnjn Qfo, o ls in rlsciuefõo jli NJE, ls jlefr, in enotfjnj jl bfts qul sl tflol n in snifjn jli NJE. Li vcitnml jl rlalrloefn pcsftfvc(Qrla+) oc jlbl jlbl scbrlpnsnr li vcitnml vcitnml kîxfkc jl trnbnmc trnbnmc jli NJE, pcr ctrc injc li vcitnml vcitnml jl rlalrloefn ol`ntfvc(Qrla-) `lolrn `lolrnikl iklot otll sl ecole ecoletn tn n elr elrcc vcitf vcitfcs cs (QUU c @OJ), @OJ), pcr ic qul in leunef leunefõo õo >.> >.> quljnrën jl in sf`uflotl acrkn= (Le >.2) Lmlkpic >.>
\o NJE eco >4 bfts jl rlsciuefõo tflol ecoletnjc su pfo Q rla+ n < Q y su pfo Q rla- n elrc vcitfcs. Enieuinr li vnicr jf`ftni n in snifjn pnrn ics sf`uflotls vcitnmls jl lotrnjn= > Q, 2,< Q y : Q. Tnrn Qfo ; > Q.
Tnrn Qfo ; 2,< Q.
Tnrn Qfo ; : Q.
>. >.> >
Kc Kcju juic ic NJ NJE E jli TFE TFE>1 >1A8 A800 00N N
Li TFE>1A800N tflol 8 pfols qul puljlo slr utfifznjcs eckc lotrnjns nonic`fens, su kcjuic NJE tflol uonrlsciuefõo uon rlsciuefõo jl >4 bfts, tnkbfæo lotrnjns pnrn vcitnmls jl rlalrloefn pcsftfvc y ol`ntfvc, lstcs pfols puljlo ecoletnrslfotlronklo ecoletnrsl fotlronklotl tl n QJJ y QUU, c puljlo ecoletnrsl n vcitnmls lxtlrocs kljfnotl ics pfols RN5 y RN RN2. 2.
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Tnrn utfifznr li kcjuic NJE sl jlbl jlb l sl`ufr ics sf`uflotls pnscs= >. Eco Eco`u `urn rnrr llii kcjui kcjuicc NJE= NJE= - Eco`urnr ics pfols jli pulrtc N y jli pulrtc L, eunils slrîo lotrnjns noniõ`fen, c lotrnjns jl rlalrloefn, c slrîo L/U jf`ftni (NJECO>). - Tcolr lo uoc li bft NJAK, sf qulrlkcs qul li rlsuitnjc lstl lo kcjc >4 bfts, c pcolr li bft NJAK lo elrc sf qulrlkcs qul li rlsuitnjc lstl lo kcjc 8 bfts. - Eco`urnr li rlicm pnrn in ecovlrsfõo, ecovlrsfõo, in vlicefjnj jl rlicm utfifznjn jltlrkfon li tflkpc qul tnrjn lo cbtlolrsl ics >4 bfts. (NJECO4). - Ulileefconr li enoni jl lotrnjn qul sl utfifznrn lo in ecovl ecovlrsfõo(NJECO4) rsfõo(NJECO4) - Loelojlr li kcjuic NJE (NJECO4). 2.
Eco`urnr Eco`urnr in fotlrrupef fotlrrupefõo õo jli jli NJE NJE,, sc scic ic ssff sl utfif utfifzn zn - Lserfbfr elrc lo li bft NJFA - Lserfbfr uoc lo li bft NJFL - Lserfbfr uoc lo li bft TLFL - Lserfbfr uoc lo li bft @FL
5.
Lsplrnr li tflkpc tflkpc jl njqufs njqufsfefõ fefõo(enr o(enr`n `n jl jlii enpneft enpneftcr) cr)
:. Fo Fofe fefn fnrr iinn eco ecov vlrsf lrsfõo õo - pcolr lo uoc li bft @C/JCOL (NJECO4) c 2, jl ne neulrjc ulrjc n ic qul qul sl olelsftl olelsftl..
Lmlkpic >.2
Li sf`uflotl prc`rnkn ill li vnicr vnicr jf`ftni jli pfo NO4 y ic kulstrn lo uo IEJ. vcfj knfo(vcfj) { fot vniJf`ftni ; 47 ehnr buaIEJW>1[ ; {}7 iejSfoft()7 NJECO> ; 4B4444>>>47 NJECO4 ; 4B4>44444>7 whfil(>) { SSjlinySus(24)7 NJECO4bfts.@CSoJCOL ; >7 whfil(NJECO4bfts.@CSoJCO whfil(NJECO4bfts.@CSoJCOL L ;; >)7 vniJf`ftni ; NJRLUH7 sprfota(&buaIEJ, "vnicr= %5j", vniJf`ftni)7 iejS`ctcxy(>,>)7 iejSputs(&buaIEJ)7 } rlturo7 }
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