Nyocha ụdị interface na nkọwa interface nke Ngosipụta Tft
Nchịkọta nkenke nke ihe ngosi Tft dị ka I2C, SPI, UART, RGB, LVDS, MIPI, EDP, na DP
Tft Lcd Ihuenyo isi ihe ngosi ihe ngosi
LCD interface: interface SPI, interface I2C, interface UART, interface RGB, interface LVDS, MIPI interface, MDI interface, HDMI interface, eDP interface.
MDI (Ngosipụta Ngosipụta Dijitalụ Dijitalụ) bụ ihe nlere anya maka ekwentị mkpanaaka na ihe ndị yiri ya.
Kọmputa ngosi interface: DP, HDMI, DVI, VGA na ndị ọzọ 4 ụdị interfaces. Gosipụta ogo arụmọrụ USB: DP>HDMI>DVI>VGA. N'ime ha, VGA bụ akara ngosi analọg, nke na-ekpochapụ ya site na isi interface ugbu a. DVI, HDMI, na DP bụ akara dijitalụ niile, nke bụ isi ihe dị ugbu a.
1. Tft Lcd ihuenyo RGB interface
(1) Nkọwa ihu
Tft Ngosipụta RGB agba bụ ọkọlọtọ agba na ụlọ ọrụ. A na-enweta ya site n'ịgbanwe ọwa atọ nke uhie (R), akwụkwọ ndụ akwụkwọ ndụ (G), na acha anụnụ anụnụ (B) na ijikọta ha na ibe ha iji nweta ụdị agba dị iche iche. , RGB bụ agba na-anọchi anya ọwa atọ nke uhie, akwụkwọ ndụ akwụkwọ ndụ, na acha anụnụ anụnụ. Ụkpụrụ a gụnyere ihe fọrọ nke nta ka ọ bụrụ agba niile nke ọhụụ mmadụ nwere ike ịghọta. Ọ bụ otu n'ime sistemu ụcha a na-ejikarị eme ihe ugbu a.
Ngosipụta Tft VGA na mgbama RGB
Ihuenyo Lcd RGB: A na-akpọkwa ụzọ isi tinye koodu agba dị ka "oghere agba" ma ọ bụ "gamut". N'okwu kachasị mfe, "oghere agba" nke agba ọ bụla dị n'ụwa nwere ike ịkọwa dị ka ọnụọgụ ma ọ bụ mgbanwe. RGB (red, green, blue) bụ naanị otu n'ime ọtụtụ oghere agba. Site na usoro ntinye koodu a, agba nke ọ bụla nwere ike iji mgbanwe atọ nọchite anya - ike nke uhie, akwụkwọ ndụ akwụkwọ ndụ na acha anụnụ anụnụ. Ngosipụta Lcd RGB bụ atụmatụ a na-ahụkarị mgbe ị na-edekọ na igosipụta onyonyo agba.
Ngwakọta nke Lcd Ngosipụta VGA na-ekewa n'ime ụdị ise: RGBHV, nke bụ agba atọ bụ isi nke uhie, akwụkwọ ndụ akwụkwọ ndụ na acha anụnụ anụnụ, na akara na akara mmekọrịta. Ogologo nnyefe VGA Lcd dị mkpụmkpụ. Iji bunye ogologo anya na injinia n'ezie, ndị mmadụ na-akwasa eriri Lcd Display VGA, kewaa akara ise nke RGBHV, ma were eriri coaxial ise bufee ha. A na-akpọ usoro nnyefe a Lcd Ngosipụta RGB nnyefe. Ọ bụ omenala ka a na-akpọkwa mgbaama a Lcd Screen RGB mgbama.
N'ikwu ya n'ụzọ ọzọ, ọ nweghị ọdịiche dị n'etiti RGB na VGA.
Ọtụtụ kọmputa na ngwaọrụ ngosipụta mpụga na-ejikọ site na analog Lcd Screen VGA interface, na ihe ngosi onyonyo onyonyo ewepụtara dijitalụ n'ime kọmpụta ka ọ bụrụ R, G, B akara agba atọ na ahịrị na ubi site na ihe ntụgharị dijitalụ/analog dị na kaadị eserese. Mgbama mmekọrịta, a na-ebufe mgbaàmà na ngwaọrụ ngosi site na eriri. Maka ngwaọrụ ngosipụta analọgụ, dị ka analọg CRT Monitors, a na-eziga mgbaàmà ozugbo na sekit nhazi kwekọrọ iji kwọọ ma jikwaa tube foto iji mepụta onyonyo. Maka ngwaọrụ ngosi dijitalụ dị ka LCD na DLP, a ga-ahazi ihe ntụgharị A/D (analog/dijital) kwekọrọ na ngwaọrụ ngosi iji gbanwee akara ngosi analog ka ọ bụrụ akara dijitalụ. Mgbe mgbanwe D/A na A/D2 gachara, ụfọdụ nkọwa onyonyo ga-efunahụ ya.
Ya mere, àgwà oyiyi nke ngwaọrụ ngosi site na iji Lcd Display DVI interface ka mma. Kaadị eserese n'ozuzu na-eji interface DVD-I, ka e wee jikọọ ya na interface Lcd VGA nkịtị site na nkwụnye. Onye nleba anya nwere interface DVI na-ejikarị interface DVI-D.
(2) Ụdị interface: a. Yiri RGB b. Oghere Usoro RGB
3) Njirimara interface
a. The interface bụ n'ozuzu 3.3V larịị
b. Achọrọ mgbama mmekọrịta
c. Ekwesịrị ịmegharị data onyonyo ahụ oge niile
d. Ekwesịrị ịhazi oge kwesịrị ekwesị
Ngwa ngwa RGB yiri ya
Oghere Usoro RGB Interface
4) Mkpebi kachasị na oge elekere
a. Yiri RGB
Mkpebi: 1920*1080
Ugboro elekere: 1920*1080*60*1.2 = 149MHZ
b. Oghere Usoro RGB
Mkpebi: 800*480
Ugboro elekere: 800*3*480*60*1.2 = 83MHZ
2. LVDS interface
(1) Nkọwa ihu
Ips Lcd LVDS, Nrịbama dị iche iche nke voltaji dị ala, bụ teknụzụ mgbama dị iche iche dị ala. Ọ bụ usoro mgbasa ozi vidiyo dijitalụ nke ụlọ ọrụ American NS mepụtara iji merie adịghị ike nke nnukwu oriri ike yana nnukwu nnyonye anya EMI mgbe ị na-ebufe data ọnụọgụ ọnụọgụ dị elu na ọnọdụ TTL.
Ips Lcd LVDS mmepụta interface na-eji obere voltaji swing (ihe dị ka 350mV) iji nyefee data site na nnyefe dị iche iche na PCB abụọ ma ọ bụ otu ụzọ eriri kwụ ọtọ, ya bụ, nnyefe mgbama dị iche iche dị ala. Iji Ips Lcd LVDS mmepụta interface, enwere ike ibunye mgbaama na ahịrị PCB dị iche ma ọ bụ eriri kwụ ọtọ n'ọkwa dị ọtụtụ narị Mbit/s. N'ihi obere voltaji na ọnọdụ ịnya ụgbọ ala dị ugbu a, a na-ahụta obere mkpọtụ na obere ike oriri.
2) Ụdị interface
a. Ihe nrụpụta 6-bit LVDS
Na sekit interface a, a na-anabata nnyefe otu ọwa, na mgbama agba agba ọ bụla na-eji data 6-bit, ngụkọta nke data RGB 18-bit, yabụ a na-akpọkwa ya 18-bit ma ọ bụ 18-bit LVDS interface.
b. Ihe nrụpụta LVDS abụọ 6-bit
N'ime sekit interface a, a na-anakwere nnyefe ụzọ abụọ, na mgbama agba agba ọ bụla na-eji data 6-bit, nke data ụzọ dị iche bụ 18-bit, data ụzọ bụ 18-bit, yana ngụkọta nke 36-bit. data RGB, yabụ a na-akpọkwa ya 36-bit ma ọ bụ 36-bit LVDS interface.
c. Otu interface mmepụta LVDS 8-bit
Na sekit interface a, a na-anakwere nnyefe otu ọwa, na mgbama agba agba ọ bụla na-eji data 8-bit, ngụkọta nke data RGB 24-bit, yabụ a na-akpọkwa ya 24-bit ma ọ bụ 24-bit LVDS interface.
d. Ihe nrụpụta LVDS abụọ 8-bit
N'ime sekit interface a, a na-anakwere nnyefe ụzọ abụọ, na mgbama agba agba ọ bụla na-eji data 8-bit, nke data ụzọ dị iche bụ 24-bit, data ụzọ bụ 24-bit, yana ngụkọta nke 48-bit. Ya mere, a na-akpọkwa data RGB 48-bit ma ọ bụ 48-bit LVDS interface.
3) Njirimara interface
a. Ọsọ dị elu (n'ozuzu 655Mbps)
b. Obere voltaji, obere ike oriri, obere EMI (swing 350mv)
c. Ike mgbochi nnyonye anya siri ike, mgbama dị iche
(4) Mkpebi
a. Otu ọwa: 1280*800@60
1366*768@60
b. Ọwa abụọ: 1920*1080@60
3. Ips Lcd MIPI interface
(1) Ips Lcd MIPI nkọwa
Ips Lcd MIPI Alliance akọwapụtala usoro ụkpụrụ interface iji hazie oghere dị n'ime nke ngwaọrụ mkpanaaka dị ka igwefoto, Ngosipụta Crystal Liquid, basebands, na oghere ugboro redio, si otú ahụ na-abawanye mgbanwe imewe ma na-ebelata ọnụ ahịa, mgbagwoju anya imewe, ike oriri, na EMI.
2) Ngosipụta kristal Liquid MIPI atụmatụ
a. Ọsọ dị elu: 1Gbps/Lane, ntinye 4Gbps
b. Oriri ike dị ala: 200mV dị iche swing, 200mv nkịtị mode voltaji
c. Mbelata mkpọtụ
d. Ntụtụ pere mpe, okirikiri nhọrọ ukwuu PCB dabara adaba
(3) Mkpebi
MIPI-DSI: 2048*1536@60fps
4) MIPI-DSI mode
a. Ụkpụrụ Iwu
N'ikwekọ na MIPI-DBI-2 nke interface yiri ya, yana Frame Buffer, usoro nke swiping ihuenyo dabere na iwu nke DCS yiri ihuenyo CPU.
Ụdị vidiyo b
N'ikwekọ na MIPI-DPI-2 nke interface yiri ya, ihuenyo ume ọhụrụ dabere na njikwa oge, dị ka ihuenyo synchronous Liquid Crystal Display RGB.
(5) Usoro ọrụ
a. Usoro ọrụ iwu
Jiri ngwugwu DCS Ogologo Dee ogologo iji nweta ume GRAM.
Iwu DCS nke ngwugwu mbụ nke etiti ọ bụla bụ write_memory_start iji nweta mmekọrịta nke etiti ọ bụla.
b. Ka vidiyo si arụ ọrụ
Jiri ngwugwu mmekọrịta iji nweta mmekọrịta oge, yana ngwugwu Pixel iji ghọta ume ọhụrụ kristal Liquid Crystal. Ebe oghere nwere ike ịbụ nke aka ike, na etiti ọ bụla ga-ejedebe na LP.
4. Liquid Crystal Ngosipụta HDMI interface
(1) Nkọwa ihu
a. Interface Multimedia nkọwa dị elu
b. Digital interface, nyefee vidiyo na ọdịyo n'otu oge
c. Mbufe nke data vidiyo na-enweghị mgbako yana data ọdịyo dijitalụ abịakọrọ / agbakọghị
(2) Akụkọ mmepe
a. N'April 2002, ụlọ ọrụ asaa gụnyere Hitachi, Panasonic, Philips, Silicon Image, sony, Thomson, na Toshiba guzobere HDMI nzukọ wee malite ịmepụta.
Iji kọwapụta ọkọlọtọ ọhụrụ ewepụtara maka mgbasa ozi vidiyo/ ọdịyo dijitalụ.
b. Na Disemba 2002, e wepụtara HDMI 1.0
c. N'August 2005, a tọhapụrụ HDMI 1.2
d. Na June 2006, e wepụtara HDMI 1.3
e. Na Nọvemba 2009, ewepụtara HDMI 1.4
f. Na Septemba 2013, ewepụtara HDMI 2.0
3) HDMI atụmatụ
a.TMDS
Mgbama dị iche iche ewedarala mgbanwe
8bit ~ 10bit DC ngbanwe ziri ezi
A na-ebufe data 10bit ọ bụla okirikiri elekere
b. EDID na DDC
Chọpụta naanị njikọ n'etiti ngwaọrụ
c. Nyefee vidiyo na ọdịyo
Ọnụ ala dị ala, njikọ dị mfe
d.HDCP
Nchekwa ọdịnaya dijitalụ bandwit dị elu
Gịnị bụ 4 nkịtị interfaces nke kọmputa Monitors: VGA, DVI, HDMI, na DP interfaces?
Ụfọdụ ndị enyi na-enwekarị nchegbu banyere nke interface bụ ihe kasị mma maka kọmputa nlekota oru, ma data USB na-eji m nyochaa kacha mma, ma ọ na-akwado elu-definition, wdg N'ezie, data USB abụghị ihe kasị mkpa, dị ka ogologo. dị ka kaadị motherboard/graphics kọmputa gị na ihe nleba anya na-abịa na ya, ọ dabara na isi anaghị emetụta ahụmahụ gị. Banyere nke interface ngosi ka mma, nke ahụ bụ isi ihe.
Ka ọ dị ugbu a, ihe ndị na-ahụ maka kọmputa na-ahụkarị gụnyere DP, HDMI, DVI, na VGA. Gosipụta ogo arụmọrụ USB: DP>HDMI>DVI>VGA. N'ime ha, VGA bụ akara ngosi analọg, nke na-ekpochapụ ya site na isi interface ugbu a. DVI, HDMI, na DP bụ akara dijitalụ niile, nke bụ isi ihe dị ugbu a.
VGA interface
VGA (Video Graphics Array) bụ ọkọlọtọ nnyefe vidiyo ewepụtara site na IBM yana igwe PS / 2 na 1987. Ọ nwere uru nke mkpebi dị elu, ọsọ ngosi ngwa ngwa na agba agba, ma ejirila ya n'ọhịa nke ngosipụta agba. Na-akwado nkwụnye ọkụ, mana anaghị akwado nnyefe ọdịyo.
Ihe ngosi VGA bụ nke a na-ahụkarị, nke bụ ụdị nke a na-ejikọta ihe nleba anya kọmputa anyị na-emebu na kọmputa onye ọbịa. Ihe ngosi VGA bụ ụdị D-ụdị interface nwere ntụtụ 15 na mkpokọta, kewara n'ime ahịrị atọ, ise n'ahịrị nke ọ bụla. Na VGA interface nwere ike expansibility na ike na-adị mfe tọghatara na DVI interface. Okwu mmalite nke interface VGA bụ nke a:
DVI interface
dijitalụ video interface
DVI bụ interface nkọwa dị elu, mana enweghị ụda, ya bụ, eriri vidiyo DVI na-ebufe naanị ihe ngosi eserese eserese, mana ọ naghị ebufe akara ngosi. Ụdị interface dị ka egosiri n'okpuru:
DVI interface nwere 3 ụdị na 5 nkọwa, na ọnụ interface size bụ 39.5mm × 15.13mm. Ụdị atọ ahụ gụnyere ụdị interface DVI-A, DVI-D na DVI-I.
DVI-D nwere naanị interface dijitalụ, yana DVI-I nwere ma dijitalụ na oghere analọg. Ugbu a, DVI-D bụ isi ngwa. N'otu oge ahụ, DVI-D na DVI-I nwere otu ọwa (Single Link) na dual-channel (Dual Link). N'ozuzu, ihe anyị na-ahụkarị bụ ụdị otu ọwa, na ọnụ ahịa nke ụdị chanel abụọ dị oke ọnụ, ya mere ọ bụ naanị ụfọdụ ngwá ọrụ ọkachamara dị, ọ na-esiri ndị na-azụ ahịa nkịtị ike ịhụ ya. DVI-A bụ ọkọlọtọ nnyefe analọgụ, nke enwere ike ịhụ ya na nnukwu ihuenyo CRT ọkachamara. Agbanyeghị, n'ihi na ọ nweghị ọdịiche dị mkpa na VGA yana arụmọrụ ya adịghị elu, a gbahapụrụ DVI-A n'ezie.
HDMI interface
HDMI
HDMI nwere ike ibunye ma eserese nkọwa dị elu yana akara ọdịyo. N'ikwu okwu n'ozuzu, TV na-ejikọta na ụlọ, ọ na-enwekwa mgbochi siri ike. Ọ bara uru ịkọwa na interface nke usoro ụgbọ ala ugbu a, dị ka igodo ụgbọ ala, bụkwa HDMI.
Uru nke HDMI interface HDMI nwere ike ọ bụghị nanị izute mkpebi nke 1080P, ma na-akwado digital audio formats dị ka DVD Audio, na-akwado asatọ ọwa 96kHz ma ọ bụ stereo 192kHz digital audio nnyefe.
HDMI na-akwado EDID na DDC2B, yabụ ngwaọrụ nwere HDMI nwere njirimara nke "nkwuk na egwuregwu". Isi mmalite na ngwaọrụ ngosi ga-akpakọrịta na-akpaghị aka wee họrọ usoro vidiyo/ọdịdị kacha dabara adaba na-akpaghị aka.
DP interface
HD ngosi ihe ngosi dijitalụ
DisplayPort bụkwa ọkọlọtọ ngosi ihe ngosi dijitalụ dị elu, nke enwere ike ijikọ na kọmpụta na ihe nleba anya, ma ọ bụ na kọmputa na ụlọ ihe nkiri. DisplayPort enwetala nkwado nke nnukwu ụlọ ọrụ dịka AMD, Intel, NVIDIA, Dell, HP, Philips, Samsung, wdg, ma nweere onwe ya iji.
E nwere ụdị abụọ nke DisplayPort mpụga njikọ: otu bụ ọkọlọtọ ụdị, yiri USB, HDMI na ndị ọzọ njikọ; nke ọzọ bụ ụdị obere profaịlụ, tumadi maka ngwa nwere oke njikọ mpaghara, dị ka kọmputa akwụkwọ ndetu dị obere.
Enwere ike ịghọta interface DP dị ka ụdị HDMI emelitere, nke dị ike karịa na nnyefe ọdịyo na vidiyo.
Oge nzipu: Sep-06-2023