TFT Amadedewo Ðeɖefia: Interface Freedom tso 0.69 va ɖo 10.1 Inches

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February 25, 2024

LCD si ƒe amadede nye ɖeka kpɔa egbɔ nenye be nane le dzedzem. TFT kpɔa egbɔ nenye be woate ŋu azãe. Vovototoa dzena le vodada ƒe agbɔsɔsɔme, alesi dɔwɔla aɖe xlẽa nɔnɔmetata kabakabae, kple alesi nusi wowɔ la dzena egbegbe tɔ me.

Tso Nusiwo Wokpɔna Dzi Va Ðe Nusiwo Woate Ŋu Azã Dzi

LCD si ƒe amadede nye ɖeka kpɔa egbɔ nenye be nane le dzedzem; TFT aɖe kpɔa egbɔ nenye be woate ŋu azãe. Active matrix naa pixel ɖesiaɖe eya ŋutɔ ƒe ʋukuku, si ʋãa vovototo, ŋuɖoɖo kple amadede ƒe xexlẽme yi dzi le ɖoɖo si nu wole nu, eye wònana dzesiwo, nɔnɔmetatawo, Chinatɔwo ƒe ɖoɖo blibo kple asikaka wo katã ŋu. Amegbetɔ kple mɔ̃ ƒe ƒomedodoa tso akpa aɖe si ɖea nuŋɔŋlɔ ƒe fli eve fiana dzi yia fesre si ate ŋu awɔ ŋgɔdonya aɖe dzi.

Vovototoa dzena ɖe nusi wowɔ la dzi tẽ. Zãlawo dzudzɔa kɔpi densewo léle ɖe susu me, vodadawo ƒe agbɔsɔsɔ dzi ɖena kpɔtɔna, agbledelawo xlẽa nɔnɔmetatawo kabakaba wu xexlẽdzesiwo, eye nusi wowɔ la dzena egbegbe tɔ wu elabena ete ŋu taa nu. Gazazã geɖe vie ɖe xɔtunuwo ŋu ƒlea afɔɖeɖe ƒe tɔtrɔ bliboa le nuteƒekpɔkpɔ ƒe ɖoƒe — si tae amadede ƒe ƒomedodowo le ɖiɖim tso adzɔnu deŋgɔwo gbɔ yi ɖe nu veviwo me ɖo.

Tia Interface la le System nu, ke menye le Fashion nu o

TFT ƒe ŋgɔdonya tiatia le abe gearbox ene vie: tiatia nyuitɔ aɖeke meli o, esi sɔ kple wo nɔewo koe. MCU ƒe ŋgɔdonya zãa pin ʋee aɖewo eye ʋukuku le bɔbɔe, esɔ na MCU suewo kple esiwo menye duƒuƒu o zazã, le ga si wò ŋutɔ nàlé be na frame buffer me. Parallel RGB trɔna kabakaba eye wòsɔ na video kple animation, gake ezãa pin geɖe eye menyo le duƒuƒu didiwo me o. SPI nye esi mebɔ o — fli ʋɛ aɖewo kpɔa amadede ƒe akpa sue aɖe gbɔ — kple gbɔdzɔe si seɖoƒe li na. LVDS kple MIPI doa dzi le nusiwo doa kplamatse wo kple duƒuƒu didiwo me, eye wosɔ na lolome gãwo kple teƒe siwo elektrikŋusẽ ƒe toɣliɖeɖe le.

Interface tiatia dzea egɔme tso nusi wò host ateŋu ana, routing space agbɔsɔsɔme si le asiwò le eme, kple content agbɔsɔsɔme si wòle be nàgbugbɔ awɔ yeyee. Dzra etɔ̃ mawo ɖo eye woakpɔ ŋgɔdonya la ƒe akpa gãtɔ. Míaƒe egbɔkpɔnuwo ɖe mɔ be woatrɔ asi le interface, voltage kple pin gɔmeɖeɖe ŋu wòasɔ ɖe aɖaŋua nu, eyata mehiã be wò ɖoɖoa naxɔ catalog ƒe akpa aɖeke o.

0.69 va ɖo 10.1 Inches le Nuƒolanɔƒe Ðeka Dzi

Asixɔxɔ ŋutɔŋutɔ le span si ƒe lolome keke ŋu. Ne wò adzɔnuwo ƒe hatsotso keke ta ɖe asitelefon siwo le sue kple esiwo wɔa dɔ aduadu ŋu, eye nufiamɔ̃awo tso nudzrala ɖeka gbɔ la, ekema ʋukulawo ƒe kɔpi, nuwo ƒoƒo ƒu ƒe ɖoɖo kple nudzralawo ƒe dzikpɔkpɔ katã wɔ ɖeka, eye woate ŋu azã mɔ̃ɖaŋununya ƒe nuteƒekpɔkpɔ ake. Zi geɖe la, cross-supplier combination fia ʋukulawo ƒe hatsotso eve, ŋkuléleɖenuŋu ƒe dziɖuɖu eve kple dɔwɔwɔ ƒe mɔnu eve.

Amadede sue siwo ƒe didime nye inch 0.69 subɔa mɔ̃ suewo kple nusiwo wodona; 2.4, 3.5, 4.3, 5.0 kple 7.0 inches xɔ asi kple panel dɔ veviwo; 10.1 inches subɔa nuwɔwɔ aduadu ƒe ŋgɔdonyawo kple nyatakaka boards. Woate ŋu atsɔ asikaka ame ŋu akpe ɖe eŋu le afisi wòhiã le, eye woate ŋu atrɔ asi le cover-lens kple backlight ƒe amadede ŋu. Agbɔsɔsɔme ƒe fli sia kpɔa xɔtunu akpa gãtɔ ƒe ɖeɖefia ƒe hiahiãwo gbɔ evɔ metrɔa nudzrala le titina o.

Womeɖea Trɔtrɔ Ðe Ame Ŋu Dzi Ðe O Elabena Enye Amadede

Zi geɖe la, wobua amadede ƒe nɔnɔmetatawo be wonye nusiwo wowɔna ƒe asi si wozãna ɖaa, gake teƒe si woate ŋu atrɔ asi le wo ŋu le la lolo abe amadede ɖeka tɔ ene. Agbɔsɔsɔ ate ŋu anye esi menye dzidzenu o, ŋgɔdonya kple pin gɔmesese kplɔ aɖaŋu, FPC didime kple ka dodo mɔfiame kplɔ kpekpe, megbeklẽ ƒe keklẽ kple amadede kplɔ nutoa me, dzoxɔxɔ grade kplɔ teƒea, eye nukpɔkpɔ mɔfiame kplɔ ɖoɖo si woɖo. Woate ŋu agblɔ asikaka mɔ̃ɖaŋununya (resistive alo capacitive) kple cover-lens ƒe dɔwɔwɔ hã.

Le nuwɔna me la, na mí nyametsotso, ƒomedodo ƒe nɔnɔmewo, kpekpe ƒe lolome, dɔwɔwɔ ƒe nɔnɔme kple asikaka nudidi, eye dɔ si sɔ kple wo nɔewo la nye esi nudzrala la wɔ. Míetrɔa egbɔkpɔnu kple nyayɔyɔ le gaƒoƒo blaeve vɔ ene me; parameters nye catalog values ​​siwo bɔ eye customization kplɔa wò design ɖo. Woateŋu atrɔ asi le amadede ƒe akpawo ŋu wòazu nutata hã, menye ɖeko woatia wo tso agbalẽdzraɖoƒe aɖe ko o — si wɔnɛ be ɣeyiɣi geɖe menɔa anyi le dɔ suewo wɔwɔ me o.

Le Dɔwɔƒea godo: Frame Buffer kple Memory

Interface tiatia xɔa susu akpa gãtɔ, gake mɔxenu si ɖua TFT dɔ ŋutɔŋutɔe nye frame buffer. RGB565 ƒe ɖeɖefia si ƒe lolome nye 240 kple 320 hiã abe kilobyte 150 ene le fotoɖemɔ̃ ɖeka me. Ne RAM sue aɖe le host microcontroller la si wu ema la, aɖaŋua ɖiɖina va ɖoa amadede ƒe goglome sue aɖe, ʋua panel la to serial interface si mehiã local frame buffer o me, alo tsɔa gotagome ŋkuɖodzinu kple controller si kpɔa refresh dzi kpena ɖe eŋu. Nyametsotso wɔwɔ le esia ŋu le nutome suea ɖoɖo vɔ megbe mevivina o; nyametsotso wɔwɔ le eŋu le tiatiawɔɣi nye kaƒoƒo.

Refresh rate wɔa nu kplii hã. Parallel alo RGB interface tua frames kabakaba gake exɔa MCU bandwidth geɖe; SPI dzena le ganyawo gome vaseɖe esime nèbu akɔnta le ɣeyiɣi si woatsɔ aɖoe ŋu le taɖodzinu ƒe frame rate nu eye nèkpɔe be ɣeyiɣi aɖeke megasusɔ na processor la na nu bubu aɖeke o. Míedzidzea ŋgɔdonya la ɖe host controller ƒe RAM kple gaƒoɖokui nu, eye míegblɔa frame rate si woate ŋu awɔ le aɖaŋuɖoɖoa me tsɔ wu be míagblẽe ɖi be woake ɖe eŋu le bring-up me.

Interface la Tiatiae tsoa nya me le teƒe agbɔsɔsɔme si MCU la agblẽ ɖi ŋu

Team geɖe tiaa MCU gbã eye screen la tiaa evelia, eye ne wotrɔ ɖoɖoa la, eɖea tiatiaawo dzi kpɔtɔna enumake. RGB kple LVDS/MIPI ƒe ƒomedodowo bia tso amedzroxɔla si be wòatsɔ nukpɔkpɔdzikpɔla si sɔ ɖe enu; SPI nye xexeame katã tɔ gake frame-rate seɖoƒe li na. Ne woɖɔ MCU la ɖo vɔ ko hafi wòva dzena be womate ŋu alé taɖodzinu ƒe gbugbɔgadzɔ ƒe agbɔsɔsɔme ɖe te o, alo be pin xexlẽme le kpuie, eye aɖaŋua trɔna yia megbe.

Gbeɖiɖi ƒe ɖoɖoe nye be woaɖɔ ɖeɖefia ƒe taɖodzinuwo ɖo tso adzɔnuwo ƒe nudidiwo me — frame rate, resolution, color depth, nenye be asikaka eŋu hiã — eye woakpɔ interface kple MCU tso esiawo me. Le adzɔnu siwo ƒe nyawo nye dzesiwo kple nuŋɔŋlɔwo gome la, SPI alo MCU ƒe ŋgɔdonya le module si me gɔmedzenudzikpɔla le dzi sɔ gbɔ; curves, video ƒe ŋgɔdonyawo kple dynamic charts hiã RGB alo high-bandwidth interfaces.

Míedaa interface kple frame rate ɖekae kple asisi la ƒe display content kple MCU platform, eye míetsɔa nuzazãwo dzidze frame rates. Kpeɖodzi alesi wòate ŋu aƒu du kabakaba ŋutɔŋutɔ hafi atsɔ eɖokui ana ɖe nyametsotso aɖe ŋu ƒoa asa na MCU gbugbɔtiatia ƒe ƒoƒo ɖeka.

TFT LCM kple Capacitive Touch: Nusiwo Trɔna le Interface la me

Ne wotsɔ capacitive touch layer kpe ɖe TFT LCM ŋu la, etrɔa nu etɔ̃ siwo gbɔ panel la ŋu. Gbãtɔe nye elektrik-mɔ̃: nukpɔkpɔa ate ŋu anye RGB, SPI alo MIPI kokoko, gake asikakanudzikpɔnu la trɔna vaa I2C alo SPI dzi abe mɔ̃ evelia ene, eyata amedzroxɔla la hiã bɔs evelia kple ka evelia si atɔ te nu. Eveliae nye stack: nutsyɔnu ƒe ahuhɔ̃e, asikaka nu ŋu, nukpɔkpɔ kple nukpɔkpɔ ƒe kadodo, eye wo dome ƒomedodo ɖesiaɖe nye teƒe si kuɖɔ alo nusi mesɔ o ate ŋu adze le. Etɔ̃liae nye firmware — touch controller hiã eya ŋutɔ ƒe ɖoɖowɔwɔ eye, ne gloved alo wet-finger zazã la, eya ŋutɔ ƒe tuning.

Afi siae vovototo si le nudzralawo dome hã dzena le. TFT LCD module dzrala aɖe le China si dzi woate ŋu aka ɖo ŋutɔŋutɔ aɖo touch controller ƒe I2C adrɛs, cover glass ƒe nɔnɔmetata, bonding specification kple sample si tsi agbe le dzoxɔxɔ ƒe tsatsam me, evɔ womabiae zi eve o. Ðeka si nye asitsatsa ɖeɖeko aɖo panel datasheet la ɖe ɖa eye wòayɔ asi aɖe. Dodokpɔa mexɔ asi o: bia touch configuration file la eye nàkpɔ ɣeyiɣi didi si wòxɔna hafi wòva ɖo.