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Lub Npaj Tos Tsev Kawm Ntawv Npaj Ua Txhaum Cai

Mar 08, 2019


PC / 104 thiab PC / 104 + yog cov qauv ntawm cov qauv siv computer npaj ua rau me me, qis ntim nruab thiab ruggedized systems, feem ntau x 86-raws li. Cov no feem ntau yog me me piv rau tus qauv PC, txawm tias tseem muaj ntau loj tshaj rau cov kev yooj yim (8/16-ntsis) kos lub nruab. Feem ntau lawv siv DOS, Linux, NetBSD, los yog kev ua hauj lwm ntawm lub lag luam xws li MicroC / OS-II, QNX lossis VxWorks. Qee zaum cov laug cam no siv cov xoos tsis yog x 86.


Hauv qee cov kev siv, qhov loj me me los yog kev siv hluav taws xob tsis yog thawj cov kev txhawj xeeb, cov khoom siv yuav siv nrog cov neeg siv x86 lub hauv paus computers. Boards xws li VIA EPIA qhov kev pab cuam kom pab tu tus sib txawv los ntawm PC-tshaj tab sis muaj kev sib raug zoo heev, cev nqaij daim tawv me me los yog muaj lwm yam kev ua rau lawv txaus nyiam rau cov neeg tsim khoom siv. Qhov zoo ntawm qhov kev qhia no yog qhov khoom qes-nqi khoom siv nrog rau tib cov software tsim siv rau kev txhim kho software. Lub tshuab ua txoj hauv kev zoo li no tseem suav tias yog vim lawv nkag mus rau hauv cov khoom loj thiab ua tiav ib tes haujlwm. Piv txwv ntawm cov khoom siv uas yuav siv txoj kev qhia no yog ATMs thiab arcade machines, uas muaj cov cai tshwj xeeb rau daim ntawv thov.


Txawm li cas los xij, feem ntau npaj txhij ua cov kab laug sab hauv lub cav tsis yog PC-centered thiab tsis siv lub tsheb npav ISA lossis PCI. Thaum lub system-rau-tus-chip processor muaj kev koom tes, tej zaum yuav muaj txiaj ntsim me ntsis kom muaj ib qho kev sib txuas ntawm cov npav sib xyaw tsheb, thiab ib puag ncig rau kev kho vajtse thiab software cov cuab yeej kuj txawv heev.


Ib hom tsim qauv siv tus txheej txheem me me, kab tias qhov luaj li cas ntawm kev lag luam daim ntawv, tuav high-concentration BGA chips xws li cov caj NPAB-raws-ib-chip processor thiab peripherals, lwm flash nco cia, thiab DRAM rau runtime nco. Tus neeg muag khoom module yuav muab khoos kas software thiab ua kom muaj kev xaiv ntawm kev khiav haujlwm, feem ntau xws li Linux thiab qee qhov kev xaiv ntawm lub sijhawm. Cov modules thiaj tsim nyob rau hauv high ntim, los ntawm cov koom haum paub txog lawv cov teeb meem tshwj xeeb kev sib tw, thiab tag nrho nrog ntau sab qis ntiav customboards nrog daim ntawv thov kev sab nraud peripherals.


Kev siv ntawm lub nruab nkag tau zoo tshaj plaws kom lawv thiaj li tau yooj yim nrog rau cov laug cam uas ua raws li thoob ntiaj teb tau txais kev pom zoo. Cov chaw no muaj xws li, tab sis tsis txwv rau, Arduino thiab Raspberry Pi.