Lik'homphieuthaThepa

A thulaganyo PIC: tlhaloso, tlotla sesebediswa

PIC-microcontrollers hlahisoang ke khampani American Microchip Technology Inc. Khutsufatso PIC bolelwa pheriferale segokanyimmediamentsi sa sebolokigolo molaoli eo. PIC-microcontrollers ke pellet programmable basebelisi EPROM. Di tšoauoa ka tshebediso ya fokolang matla a, tshebetso le phahameng, hantle-ntshetswa pele RISC-mehaho, mesebetsing e feletseng, litekanyo bonyane le litheko tlaase. Microcontroller Firmware e atlehe ho sebelisa sesebelisoa sa kang a thulaganyo PIC.

tlhaloso

Bakeng sa ho sebelisoa sebetsang oa dita joalo mosebedisi e hloka e lisebelisoa ka theko e tlaase le theko e tlaase. Ho na le ba bangata ba botekgeniki ditharollo disebedisweng tse joalo (bobeli tsenwe le tlhahiso khoebo). A sehloohong sena a re tla sheba ka mananeo PIC toka e bonolo, o ile ke Microchip Technology Inc. Re lokela ho hlokomela hore, ho fapana le disebediswa tsa ho improvised tsenwe, sesebediswa sena ke debugger feletseng, e boetse e na le a 'maloa a mesebetsi eketsehileng analizatorskih.

A thulaganyo PIC-molaoli eo e thehiloe ho seo ke ladica i PIC18F2550 ho tshehetsa USB 2.0 mosebetsi. balebeli ba potoloho le fumana tsa morao-rao ea motlakase ho tswa sehokedi USB le, e loketseng, ha ho hloke eketsehileng motlakaseng. Ka koung ena, o ka ntjhafatsa ya firmware ladica i. PIC a thulaganyo na tse nyenyane litekanyo ka kakaretso le e reretsoe ka fob senotlolo. 'Mele ho na le LEDs tse tharo hore li bontša ho bueloang ho Mokhoa oa sesebelisoa sa,' me beetsweng tse peli: e mong bakeng sa tlohang ho k'homphieutha ea botho, 'me ea bobeli - ka ho toba microcontroller ena.

Ena a thulaganyo PIC bakeng sa ka-oa potoloho mananeo le debugging lik'hamphani fetisisa ladica i "microchip". sesebediswa sena matha ka, kapa lenaneo lona khetla, kapa Software MPLAB nkee. Tabeng ea pele (sebelisa PICkit 2 a thulaganyo) sesebediswa e ka hlakola, netefatsa memori kapa beha tšireletso ea khoutu halima, fetola dikahare tsa microcontrollers. Le hore a tlalehe lesedi ka ladica i memori, kenya bakhanni le Keeloq linotlolo. Ho phaella ho mesebetsi tsena tsa motheo, le a thulaganyo e ka hlahisa e boleng ba PIC disebediswsa gagamalo ka mefuta e fapaneng ya volts 2,5 ho 5, le 0,1 mohato B.

menyetla

Le tšobotsi ena, ho ba bonolo ho debug maqheka ntshetswa pele ntle disconnecting tloha a thulaganyo ya. sethusathuto ho lumella USB koung ho fana ka ipolela hore boleng jwale ho 100 MA, haeba palo ena e feta, balebeli ba potoloho le tla ka tsela e iketsang tima. Hape, a thulaganyo e kgona ho calibrate le gagamalo USB-koung bese ka lebaka la sesebediswa ka ba teng ho boleng jwale gagamalo. Ena qetellong e na le phello e ntle ho mosebetsi oa hae. Bakeng sa disebedisweng tse nang le ho seta botjha ka ntle, le mananeo a pulse length taolo wrapper lumella microcontroller gopotswa. Ka lenaneo Tools menu ya khetla, o ka matha khetho Sebelisa VPPFirst Program Entry, microcontrollers hlokahala, le phetolo eo ha a lumelle ho kena mokgwa wa mananeo.

bofello

Nkoa PIC a thulaganyo ke matla, tenyetseha sesebelisoa bakeng debugging "microchip" microcontrollers. E na e theko ka theko e tlaase, 'me haeba a lakatsa, ka habonolo pheta, ka lebaka la ditokomane tse fanoeng websaeteng khampani.

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