njengoba PCB esetshenziswa yimishini ehlukahlukene kagesi iba yinkimbinkimbi ngokwengeziwe, ukuthola iphutha le-PCB backplane ngesandla akuyona nje inkimbinkimbi kepha futhi kunokwethenjelwa okuphansi. Umhloli we-AUTOMATIC we-PCB backplane osuselwa ku-PLD owethulwe kuleli phepha angathuthukisa ukusebenza kahle futhi aqinisekise ukuthembeka kokutholwa.

Ngokuthuthuka okusheshayo kobuchwepheshe be-elekthronikhi, isetshenziswa kabanzi ezinhlotsheni ezahlukahlukene zokukhiqizwa kwemishini ye-elekthronikhi yebhodi ephrintiwe (i-PCB) inyuke kakhulu, abasebenzi bezobuchwepheshe badinga ukusheshe banqume emuva emuva kusifunda esifushane, iphutha lesifunda elivulekile noma ukulungisa inani eleqile ukumelana, uma ukuthembela ekutholeni okwenziwe kuyinkimbinkimbi kakhulu, futhi ukuthembeka kuphansi, ngakho-ke ibhodi lesifunda libuyele emuva kakhulu lenyusa isidingo sokuhlolwa okuzenzakalelayo. Kuleli phepha, kuphakanyiswa indlela yohlelo lokuhlola oluzenzakalelayo le-PCB backplane esekwe ku-EPM7128 control multiway selector switch ADG732, bese kuqaliswa ukusetshenziswa kwayo. Kufakazelwa ukuthi indlela yokuhlola iyashesha futhi iyasebenza ngemuva kokufakwa ekuhlolweni kwe-PCB yasemuva.

Ukwakhiwa kwehadiwe lesistimu

Isakhiwo sohlelo lomhloli othomathikhi siboniswa ku-Figure 1, oqukethe i-microcomputer, ikhadi le-USB bus DIO interface, ibhulokhi ye-PLD control, switch switch yezindlela eziningi, isibonisi sokuhlola nokunye.Uhlelo lungahlola ngokushesha amaphutha wesifunda avulekile namfushane wamabhodi wasemuva we-PCB angashadile, aphindwe kabili futhi anemigqa eminingi.

Ama-Microcomputer awanazo izidingo ezikhethekile, futhi ngokuvamile angasebenzisa amakhompyutha ajwayelekile. I-interface interface isebenzisa isifanekiso eshibhile se-USB-7802ADIO sokulawulwa kwezimboni esikhiqizwe yiHongtop Measurement and Control Technology Co, LTD. Amandla wokufaka nokukhipha ngu-0 ~ 5V, ngokuhambisana ne-USB bus + 5V standard. I-Usb-7802a iyibhodi lokufaka / lokukhipha ledijithali le-TGL elinamashaneli angama-32, elinamachweba wokufaka wedijithali ama-4 8-bit namachweba ama-latch okukhipha ama-digital angama-4 8-bit, okuphelele kokufakwayo okungu-32 nemiphumela engama-32; Inikezela nge-win95 / 98/2000 / NT ngaphansi kohlelo lokuhlola nohlelo lokuxhumanisa olunamandla (i-DLL).Njengoba kuyibhasi le-USB, umthetho olandelwayo we-USB unikeza ngokuzenzakalela ikheli lesisekelo lebhodi.