Binciken nau'ikan mu'amala da ma'anar ma'anar Tft Nuni
Takaitaccen taƙaitaccen musaya na nunin Tft kamar I2C, SPI, UART, RGB, LVDS, MIPI, EDP, da DP
Tft Lcd Gabatarwa na nunin allo na al'ada
LCD dubawa: SPI dubawa, I2C dubawa, UART dubawa, RGB dubawa, LVDS dubawa, MIPI dubawa, MDI dubawa, HDMI dubawa, eDP dubawa
MDI (Mobile Nuni Dijital Interface) serial interface ce ta wayar hannu da makamantansu.
Kwamfuta nuni dubawa: DP, HDMI, DVI, VGA da sauran 4 iri musaya. Nuna darajar aikin kebul: DP>HDMI>DVI>VGA. Daga cikin su, VGA siginar analog ne, wanda babban abin dubawa yanzu ya kawar da shi. DVI, HDMI, da DP duk sigina ne na dijital, wanda shine babban abin dubawa na yanzu.
1. Tft Lcd Screen RGB dubawa
(1) Ma'anar hanyar sadarwa
Tft Nuni RGB launi shine ma'aunin launi a cikin masana'antar. Ana samunsa ta hanyar canza tashoshi masu launi uku na ja (R), koren (G), da shuɗi (B) da sanya su da juna don samun launuka iri-iri. , RGB shine launi wanda ke wakiltar tashoshi uku na ja, kore, da shuɗi. Wannan ma'auni ya ƙunshi kusan dukkanin launuka waɗanda hangen nesa na ɗan adam zai iya fahimta. Yana daya daga cikin tsarin launi da aka fi amfani dashi a halin yanzu.
Tft Nuni siginar VGA da siginar RGB
Lcd Screen RGB: Hanyoyin ɓoye launi ana kiran su gaba ɗaya a matsayin "sararin launi" ko "gamut". A cikin mafi sauƙi, "sararin launi" na kowane launi a duniya ana iya bayyana shi azaman kafaffen lamba ko m. RGB (ja, kore, shuɗi) ɗaya ne kawai daga cikin wurare masu launi da yawa. Tare da wannan hanyar ɓoye, kowane launi na iya wakilta da masu canji guda uku - ƙarfin ja, kore, da shuɗi. Lcd Nuni RGB shine mafi yawan makirci lokacin yin rikodi da nuna hotunan launi.
Abun da ke cikin siginar VGA na Lcd Nuni ya kasu kashi biyar: RGBHV, waɗanda sune manyan launuka uku na ja, kore da shuɗi, da siginonin aiki tare da layi da filin. Nisan watsawar allo na Lcd VGA gajere ne sosai. Domin isar da nisa mai nisa a ainihin injiniyanci, mutane suna ƙera kebul na Lcd Display VGA, su ware sigina biyar na RGBHV, kuma su watsa su da igiyoyin coaxial biyar. Wannan hanyar watsawa ana kiranta Lcd Display RGB watsa. Al'ada ce Wannan siginar kuma ana kiranta siginar Lcd Screen RGB.
A takaice dai, babu bambanci tsakanin RGB da VGA.
Yawancin kwamfutoci da na'urorin nuni na waje ana haɗa su ta hanyar analog Lcd Screen VGA interface, kuma bayanin hoton nunin da aka ƙirƙira ta hanyar lambobi a cikin kwamfutar ana canza shi zuwa R, G, B siginonin launi na farko guda uku da layi da filin ta hanyar dijital/analog Converter a cikin graphics katin. Sigina mai aiki tare, ana watsa siginar zuwa na'urar nuni ta hanyar kebul. Don na'urorin nuni na analog, kamar na'urorin CRT na analog, ana aika siginar kai tsaye zuwa da'irar sarrafawa mai dacewa don tuƙi da sarrafa bututun hoto don samar da hotuna. Don na'urorin nuni na dijital kamar LCD da DLP, mai canzawa A/D daidai (analog/dijital) yana buƙatar saita shi a cikin na'urar nuni don canza siginar analog zuwa siginar dijital. Bayan jujjuyawar D/A da A/D2, wasu bayanan hoto ba makawa sun ɓace.
Saboda haka, ingancin hoton na'urar nuni ta amfani da ƙirar Lcd Display DVI ya fi kyau. Katin zane gabaɗaya yana amfani da ƙirar DVD-I, ta yadda za'a iya haɗa shi zuwa mahaɗin Lcd Nuni VGA gama gari ta hanyar adaftar. Mai saka idanu tare da dubawar DVI gabaɗaya yana amfani da ƙirar DVI-D.
(2) Nau'in Interface: a. Daidaita RGB b. Serial RGB
3) Fasalolin Interface
a. The dubawa gabaɗaya matakin 3.3V ne
b. Ana buƙatar siginar aiki tare
c. Ana buƙatar sabunta bayanan hoton kowane lokaci
d. Ana buƙatar saita lokacin da ya dace
Parallel RGB Interface
Serial RGB Interface
4) Matsakaicin ƙuduri da mitar agogo
a. Daidaici RGB
Saukewa: 1920*1080
Mitar agogo: 1920*1080*60*1.2 = 149MHZ
b. Serial RGB
Saukewa: 800*480
Mitar agogo: 800*3*480*60*1.2 = 83MHZ
2. LVDS dubawa
(1) Ma'anar hanyar sadarwa
Ips Lcd LVDS, Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙi don Ƙirƙirar Sigina. Hanya ce ta watsa siginar bidiyo na dijital da kamfanin NS na Amurka ya ƙera don shawo kan gazawar babban amfani da wutar lantarki da babban kutsewar lantarki ta EMI lokacin watsa bayanan babban ƙimar bit na broadband a yanayin matakin TTL.
Na'urar fitarwa ta Ips Lcd LVDS tana amfani da madaidaicin jujjuyawar wutar lantarki (kimanin 350mV) don watsa bayanai ta hanyar watsawa daban akan alamun PCB guda biyu ko madaidaitan igiyoyi guda biyu, wato, watsa siginar ƙarancin wutar lantarki. Yin amfani da ƙirar fitarwa ta Ips Lcd LVDS, ana iya watsa siginar akan layin PCB na daban ko madaidaicin kebul a ƙimar Mbit/s ɗari da yawa. Saboda ƙarancin wutar lantarki da ƙarancin yanayin tuƙi na yanzu, ana samun ƙarancin ƙara da ƙarancin wutar lantarki.
2) Nau'in Interface
a. 6-bit LVDS fitarwa na dubawa
A cikin wannan da'irar, ana karɓar watsa tashoshi ɗaya, kuma kowane siginar launi na farko yana amfani da bayanan 6-bit, jimlar bayanan RGB 18-bit, don haka ana kiranta 18-bit ko 18-bit LVDS interface.
b. Dual 6-bit LVDS fitarwa na dubawa
A cikin wannan da'irar da'ira, ana ɗaukar watsa ta hanyoyi biyu, kuma kowane siginar launi na farko yana amfani da bayanan 6-bit, wanda bayanan rashin fahimta shine 18-bit, ko da yaushe bayanai shine 18-bit, kuma jimlar 36-bit. Bayanan RGB, don haka ana kiransa 36-bit ko 36-bit LVDS interface.
c. Ƙaddamarwar fitarwa ta LVDS guda 8-bit
A cikin wannan da'irar, ana karɓar watsa tashoshi ɗaya, kuma kowane siginar launi na farko yana amfani da bayanan 8-bit, jimlar bayanan RGB 24-bit, don haka ana kiranta 24-bit ko 24-bit LVDS interface.
d. Dual 8-bit LVDS fitarwa na dubawa
A cikin wannan da'irar da'ira, ana ɗaukar watsa ta hanyoyi biyu, kuma kowane siginar launi na farko yana amfani da bayanan 8-bit, wanda bayanan banƙyama shine 24-bit, ko-da-hanyar bayanai shine 24-bit, kuma jimlar 48-bit. Don haka ana kiran bayanan RGB 48-bit ko 48-bit LVDS interface.
3) Fasalolin Interface
a. Babban gudun (gaba ɗaya 655Mbps)
b. Low ƙarfin lantarki, low ikon amfani, low EMI (swing 350mv)
c. Ƙarfin ƙarfin hana tsangwama, sigina daban-daban
(4) Shawara
a. Tashar guda: 1280*800@60
1366*768@60
b. Tashar Biyu: 1920*1080@60
3. Ips Lcd MIPI dubawa
(1) Ips Lcd MIPI ma'anar
Ƙungiyar Ips Lcd MIPI Alliance ta ayyana saitin ƙa'idodin dubawa don daidaita mahaɗin ciki na na'urorin hannu kamar kyamarori, Nunin Crystal Liquid, basebands, da mitar rediyo, ta haka yana haɓaka sassauƙar ƙira yayin rage farashi, rikitarwa ƙira, amfani da wutar lantarki, da ƙari. EMI.
2) Liquid Crystal Nuni MIPI fasali
a. Babban gudun: 1Gbps/Lane, 4Gbps kayan aiki
b. Low ikon amfani: 200mV bambancin lilo, 200mv gama gari irin ƙarfin lantarki
c. Damuwar surutu
d. Ƙananan fil, mafi dacewa shimfidar PCB
(3) Shawara
MIPI-DSI: 2048*1536@60fps
4) Yanayin MIPI-DSI
a. Yanayin Umurni
Daidai da MIPI-DBI-2 na daidaitaccen mu'amala, tare da Frame Buffer, hanyar swiping allon bisa tsarin umarni na DCS yayi kama da allon CPU.
Yanayin Bidiyo
Daidai da MIPI-DPI-2 na daidaitaccen keɓancewa, allon wartsake yana dogara ne akan sarrafa lokaci, mai kama da allon aiki tare na Liquid Crystal Display RGB.
(5) Hanyar aiki
a. Hanyar aiki na umarni
Yi amfani da Fakitin Rubutun Dogon Rubutu na DCS don sabunta GRAM.
Umurnin DCS na fakitin farko na kowane firam shine rubuta_memory_start don cimma aiki tare da kowane firam.
b. Yadda bidiyo ke aiki
Yi amfani da fakitin daidaitawa don cimma aiki tare na lokaci, da fakitin Pixel don gane wartsakewar Nuni Crystal Liquid. Wurin da babu komai zai iya zama mai sabani, kuma kowane firam dole ne ya ƙare da LP.
4. Liquid Crystal Nuni HDMI dubawa
(1) Ma'anar hanyar sadarwa
a. Interface Multimedia High-Definition
b. Fasahar dijital, watsa bidiyo da sauti a lokaci guda
c. Isar da bayanan bidiyo da ba a matsawa ba da kuma matsawa / ba a haɗa bayanan dijital na dijital ba
(2) Tarihin ci gaba
a. A cikin Afrilu 2002, kamfanoni bakwai da suka haɗa da Hitachi, Panasonic, Philips, Silicon Image, Sony, Thomson, da Toshiba sun kafa ƙungiyar HDMI kuma sun fara samarwa.
Don ayyana sabon ma'auni da aka keɓe don watsa bidiyo/audiyo na dijital.
b. A cikin Disamba 2002, an saki HDMI 1.0
c. A watan Agusta 2005, HDMI 1.2 aka saki
d. A watan Yuni 2006, an saki HDMI 1.3
e. A cikin Nuwamba 2009, an saki HDMI 1.4
f. A cikin Satumba 2013, an saki HDMI 2.0
3) HDMI Features
a.TMDS
Rage siginar Banbancin Canji
8bit ~ 10bit DC daidaitaccen rikodin rikodin
Ana watsa bayanan 10bit kowane zagayowar agogo
b. EDID da DDC
Gane haɗi kawai tsakanin na'urori
c. Canja wurin Bidiyo da Sauti
Ƙananan farashi, haɗi mai sauƙi
d.HDCP
Kariyar abun ciki na Dijital mai girma-bandaki
Wadanne hanyoyin sadarwa guda 4 ne na masu lura da kwamfuta: VGA, DVI, HDMI, da DP musaya?
Wasu abokai sau da yawa suna damuwa game da wane nau'i ne mafi kyau ga na'ura mai kula da kwamfuta, ko kebul na bayanai da na'ura na ke amfani da shi shine mafi kyau, ko yana goyan bayan babban ma'ana, da dai sauransu. Haƙiƙa, kebul na bayanai ba shine mafi mahimmanci ba, muddin dai kamar yadda kwamfutar tafi-da-gidanka ta motherboard/katin hoto da kuma saka idanu suka zo tare da shi, ya dace kuma a zahiri baya shafar kwarewar ku. Dangane da wane nau'in nuni ne ya fi kyau, wannan shine ma'anar.
A halin yanzu, hanyoyin gama gari na masu lura da kwamfuta sun haɗa da DP, HDMI, DVI, da VGA. Nuna darajar aikin kebul: DP>HDMI>DVI>VGA. Daga cikin su, VGA siginar analog ne, wanda babban abin dubawa yanzu ya kawar da shi. DVI, HDMI, da DP duk sigina ne na dijital, wanda shine babban abin dubawa na yanzu.
VGA dubawa
VGA (Video Graphics Array) misali ne na watsa bidiyo da IBM ya gabatar tare da na'ura na PS/2 a 1987. Yana da fa'idodin babban ƙuduri, saurin nuni da launuka masu kyau, kuma an yi amfani dashi sosai a fagen nunin launi. Yana goyan bayan toshe zafi, amma baya goyan bayan watsa sauti.
VGA interface ita ce mafi yawan jama'a, wanda shine nau'in da na'urorin kwamfuta na yau da kullum ke haɗa su da kwamfutar da ke aiki. Ma'anar VGA shine nau'in D-nau'i mai nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i) nau'i-nau'i 15 gabaɗaya,wanda aka raba shi zuwa layuka uku, biyar a kowane jere. Kuma ƙirar VGA tana da ƙarfi mai ƙarfi kuma ana iya jujjuyawa cikin sauƙi tare da dubawar DVI. Gabatarwar hanyar sadarwa ta VGA ita ce kamar haka:
Farashin DVI
dijital video dubawa
DVI babbar ma'ana ce mai ma'ana, amma ba tare da sauti ba, wato, kebul na bidiyo na DVI yana watsa siginar hoto kawai, amma ba ya watsa siginar sauti. Siffar mu'amala tana kamar yadda aka nuna a ƙasa:
DVI dubawa yana da nau'ikan nau'ikan 3 da ƙayyadaddun ƙayyadaddun bayanai 5, kuma girman madaidaicin madaidaicin shine 39.5mm × 15.13mm. Nau'o'in guda uku sun haɗa da DVI-A, DVI-D da DVI-I.
DVI-D kawai yana da hanyar sadarwa ta dijital, kuma DVI-I yana da duka dijital da musaya na analog. A halin yanzu, DVI-D shine babban aikace-aikacen. A lokaci guda, DVI-D da DVI-I suna da tashoshi ɗaya (Single Link) da tashoshi biyu (Dual Link). Gabaɗaya, abin da muka saba gani shi ne nau'in tashoshi ɗaya, kuma farashin nau'in tashoshi biyu yana da tsada sosai, don haka wasu kayan aikin ƙwararru ne kawai ake samun su, kuma yana da wahala ga talakawa masu amfani da su gani. DVI-A daidaitaccen watsawa na analog ne, wanda galibi ana iya gani a cikin manyan ƙwararrun CRTs. Duk da haka, saboda ba shi da wani muhimmin bambanci daga VGA kuma aikinsa bai yi girma ba, an yi watsi da DVI-A.
HDMI dubawa
HDMI
HDMI na iya watsa duka hotuna masu mahimmanci da siginar sauti. Gabaɗaya magana, TV ɗin yana da alaƙa da gida, kuma yana da ƙaƙƙarfan tsangwama. Yana da kyau a faɗi cewa haɗin tsarin tsarin abin hawa na yanzu, kamar kewayawar abin hawa, shima HDMI ne.
Abũbuwan amfãni daga HDMI interface HDMI ba zai iya kawai saduwa da ƙuduri na 1080P, amma kuma goyon bayan dijital audio Formats kamar DVD Audio, da kuma goyon bayan takwas-tashar 96kHz ko sitiriyo 192kHz dijital audio watsa.
HDMI tana goyan bayan EDID da DDC2B, don haka na'urori masu HDMI suna da halayen "toshe da wasa". Tushen siginar da na'urar nuni za su "tattaunawa" ta atomatik kuma za su zaɓi tsarin bidiyo/audiyo mafi dacewa ta atomatik.
DP dubawa
HD dijital nuni dubawa
DisplayPort kuma babban ma'auni ne na nuni na dijital, wanda za'a iya haɗa shi da kwamfuta da na'ura, ko zuwa kwamfuta da gidan wasan kwaikwayo. DisplayPort ya sami goyon bayan manyan masana'antu irin su AMD, Intel, NVIDIA, Dell, HP, Philips, Samsung, da dai sauransu, kuma yana da kyauta don amfani.
Akwai nau'ikan masu haɗin waje na DisplayPort guda biyu: ɗaya shine daidaitaccen nau'in, kama da USB, HDMI da sauran masu haɗin gwiwa; ɗayan kuma shine nau'in ƙarancin bayanan martaba, galibi don aikace-aikacen da ke da iyakataccen yanki, kamar kwamfutocin littafin rubutu masu sirara.
Ana iya fahimtar ƙirar DP a matsayin ingantaccen sigar HDMI, wanda ya fi ƙarfi a watsa sauti da bidiyo.
Lokacin aikawa: Satumba-06-2023