Ujongano lwe-MIPI

I. MIPI MIPI (iMobile Industry Processor Interface) sisishunqulelo seMobile Industry Processor Interface.
I-MIPI (i-Mobile Industry Processor Interface) ngumgangatho ovulekileyo we-mobile application processors oqaliswe yi-MIPI Alliance.

Imiba esele igqityiwe kwaye ikwisicwangciso ngolu hlobo lulandelayo: Bhala inkcazo yomfanekiso apha
LESIBINI, IMIPI ALLIANCE'S MIPI DSI INGCACISO
1, utoliko lwesibizo
II-CS ye-DCS (DisplayCommandSet) yiseti esemgangathweni yemiyalelo yeemodyuli zokubonisa kwimo yomyalelo.
DSI, CSI (DisplaySerialDisplay, CameraSerialInterface)
I-DSI ichaza i-serial interface ye-serial yesantya esiphezulu phakathi kweprosesa kunye nemodyuli yokubonisa.
I-CSI ichaza i-serial interface yesantya esiphezulu phakathi kweprosesa kunye nemodyuli yekhamera.
I-D-PHY: Ibonelela ngeenkcazo zomaleko womzimba we-DSI kunye ne-CSI
I-2, i-DSI yolwakhiwo olunemaleko
I-DSI yahlulwe yangamacandelo amane, ehambelana ne-D-PHY, i-DSI, inkcazo ye-DCS, umzobo wobume be-hierarchical ngale ndlela ilandelayo:
I-PHY ichaza i-transmission medium, igalelo / i-output circuit, kunye newotshi kunye nesixhobo somqondiso.
Uluhlu loLawulo lweNdlela: Thumela kwaye uqokelele ukuhamba kwedatha kwindlela nganye.
Uluhlu lweProtocol yeNqanaba eliPhantsi: Ichaza indlela iifreyimu kunye nezisombululo ezicwangciswe ngayo, ukufunyanwa kwempazamo, njalo njalo.
Uluhlu lwesicelo: Ichaza i-encoding ephezulu kunye nokuhamba kwedatha yokwahlulahlula.

Bhala inkcazo yomfanekiso apha
3, Umyalelo kunye neMowudi yevidiyo
Ii-peripherals ezihambelana ne-DSI zixhasa Umyalelo okanye iindlela zokusebenza zeVidiyo, imowudi egqitywe yi-peripheral architecture Indlela yomyalelo ibhekisela ekuthumeleni imiyalelo kunye nedatha kumlawuli kunye ne-cache yokubonisa.Umamkeli ulawula ngokungangqalanga iperipheral ngemiyalelo.
Imowudi yomyalelo isebenzisa ujongano lweendlela ezimbini Imowudi yevidiyo ibhekisa kusetyenziso lwemifanekiso yokwenyani imijelo ukusuka kumamkeli ukuya kumda.Le modi inokuhanjiswa kuphela ngesantya esiphezulu.

Ukunciphisa ubunzima kunye nokugcina iindleko, iinkqubo zevidiyo kuphela zinokuba nendlela enye yedatha yendlela enye
Intshayelelo ye-D-PHY
I-1, i-D-PHY ichaza i-synchronous, i-high-speed, i-low-power, i-PHY ephantsi.
Uqwalaselo lwe-PHY lubandakanya
Indlela yewotshi
Umzila wedatha enye okanye ngaphezulu
Uqwalaselo lwe-PHY lweeNdlela ezimbini luboniswe ngezantsi
Bhala inkcazo yomfanekiso apha
Iintlobo ezintathu zeendlela eziphambili
Indlela yewotshi yendlela enye
Indlela yedatha yendlela enye
Indlela ezimbini data Lane
D-PHY imo yothumelo
Amandla aphantsi (Amandla aphantsi) indlela yomqondiso (yolawulo): 10MHz (ubuninzi)
Imowudi yomqondiso wesantya esiphezulu (yokudluliselwa kwedatha yesantya esiphezulu): 80Mbps ukuya kwi-1Gbps/Lane
Iprotocol ye-D-PHY ephantsi ichaza ukuba ubuncinane beyunithi yedatha yi-byte
Xa uthumela idatha, kufuneka ibe phantsi ngaphambili kwaye ibe phezulu ngasemva.
I-D-PHY yezicelo zeselula
I-DSI: Bonisa i-serial interface
Indlela yewotshi enye, enye okanye ngaphezulu kwendlela yedatha
CSI: Ujongano lweKhamera yothotho
2, imodyuli yeNdlela
I-PHY iqulathe i-D-PHY (iModyuli yeNdlela)
I-D-PHY inokuqulatha:
Isidluliseli samandla aphantsi (LP-TX)
Umamkeli wamandla aphantsi (LP-RX)
Isidlulisi esinesantya esiphezulu (HS-TX)
Umamkeli okwisantya esiphezulu (HS-RX)
Isixhobo soKhuphiswano samandla aphantsi (LP-CD)
Iintlobo ezintathu zeendlela eziphambili
Indlela yewotshi yendlela enye
Umphathi: HS-TX, LP-TX
Ikhoboka: HS-RX, LP-RX
Indlela yedatha yendlela enye
Umphathi: HS-TX, LP-TX
Ikhoboka: HS-RX, LP-RX
Indlela ezimbini data Lane
Inkosi, ikhoboka: HS-TX, LP-TX, HS-RX, LP-RX, LP-CD
3, Indlela yendlela kunye nombane
Lane State
LP-00, LP-01, LP-10, LP-11 (ikuphela-nye)
HS-0, HS-1 (umahluko)
Umbane wendlela (eqhelekileyo)
LP: 0-1.2V
HS: 100-300mV (200mV)
4, indlela yokusebenza
Iindlela ezintathu zokusebenza zeNdlela yeDatha
Imo yokubaleka, imowudi yesantya esiphezulu, imo yokulawula
Izehlo ezinokubakho ukusuka kwimeko yokumisa yendlela yolawulo zezi:
Isicelo sendlela yokubaleka (LP-11-LP-10-LP-00-LP-01-LP-00)
Isicelo semowudi yesantya esiphezulu (LP-11-LP-01-LP-00)
Isicelo sokutshintsha (LP-11-LP-10-LP-00-LP-10-LP-00)
Imowudi yokubaleka ngumsebenzi okhethekileyo wedatha yeNdlela kwimeko ye-LP
Kule modi, ungangenisa eminye imisebenzi eyongezelelweyo: LPDT, ULPS, Trigger
I-Data Lane ingena kwindlela yokubaleka nge-LP-11- LP-10-LP-00-LP-01-LP-00
Kanye kwimo ye-Escape mode, umthumeli kufuneka athumele i-1 8-bit umyalelo kwimpendulo kwisenzo esiceliweyo
Indlela yokubaleka isebenzisa i-Spaced-One-Encoding Hot
Ultra-Low Power State
Kule meko, imigca ayinanto (LP-00)
Amandla asezantsi kakhulu eNdlela yeClock
Indlela yeClock ingena kwimo ye-ULPS nge-LP-11-LP-10-LP-00
- Phuma kweli lizwe nge-LP-10 , TWAKEUP , LP-11, ubuncinane bexesha le-TWAKEUP yi-1ms
Ukuhanjiswa kwedatha ngesantya esiphezulu
Isenzo sokuthumela idatha yeserial enesantya esiphezulu ibizwa ngokuba yi-high-speed data transfer or triggering (burst)
Zonke iingcango zeLanes ziqala ngokulandelelana kwaye ixesha lesiphelo linokwahluka.
Iwotshi kufuneka ibekwimowudi yesantya esiphezulu
Inkqubo yodluliselo phantsi komsebenzi wemowudi nganye
Inkqubo yokungena kwimodi yokubaleka: LP-11- LP-10- LP-00-LP-01-LP-01-LP-00-Entry Code-LPD (10MHz)
Inkqubo yokuphuma kwindlela yokubaleka: LP-10-LP-11
Inkqubo yokungena kwimodi yesantya esiphezulu: LP-11- LP-01-LP-00-SoT (00011101) - HSD (80Mbps ukuya kwi-1Gbps)
Inkqubo yokuphuma kwimodi yesantya esiphezulu: EoT-LP-11
Imo yokulawula – inkqubo yothumelo lweBTA: LP-11, LP-10, LP-00, LP-10, LP-00
Imodi yokulawula - inkqubo yokufumana i-BTA: LP-00, LP-10, LP-11

Idayagram yenguqu yelizwe

Bhala inkcazo yomfanekiso apha
Intshayelelo ye-DSI
1, iDSI yiNdlela yojongano eyandisiweyo, ikloko yeNdlela e-1/1-4 idatha yeNdlela yeNdlela
Iiperipherals ezihambelana ne-DSI zixhasa i-1 okanye i-2 iindlela ezisisiseko zokusebenza:
Imo yomyalelo (ifana nojongano lweMPU)
Imodi yevidiyo (efana ne-interface ye-RGB) - Idatha kufuneka idluliselwe kwimodi yesantya esiphezulu ukuxhasa ukuhanjiswa kwedatha kwiifomathi ze-3
Non-Burst Synchronous Pulse Mode
Imowudi yoMnyhadala ongaqhawukiyo
Imo yokugqabhuka
Imo yogqithiso:
Imowudi yomqondiso wesantya esiphezulu (imowudi yomqondiso wesantya esiphezulu)
Imowudi yesignali yamandla aphantsi (imowudi yokubonisa i-Low-Power) - kuphela umzila wedatha 0 (iwashi ihluke okanye ivela kwi-DP, DN).
Uhlobo lwesakhelo
Izakhelo ezimfutshane: 4 bytes (zilungisiwe)
Iifreyimu ezinde: 6 ukuya kwi-65541 bytes (eziguquguqukayo)
Imizekelo emibini yothumelo lwedatha yeNdlela enesantya esiphezulu
Bhala inkcazo yomfanekiso apha
2, isakhelo esifutshane isakhiwo
Intloko yesakhelo (4 bytes)
Ukuchongwa kwedatha (DI) 1 byte
Idatha yesakhelo - iibyte ezi-2 (ubude bumiselwe kwii-bytes ezi-2)
Ukufunyanwa kwempazamo (ECC) 1 byte
Ubungakanani besakhelo
Ubude bumiselwe kwi-4 bytes
I-3, ulwakhiwo olude lwesakhelo
Intloko yesakhelo (4 bytes)
Ukuchongwa kwedatha (DI) 1 byte
Ubalo lwedatha - iibytes ezi-2 (inani ledatha ezaliswe)
Ukufunyanwa kwempazamo (ECC) 1 byte
Ukuzaliswa kwedatha (0 ukuya kwi-65535 bytes)
Ubude be-s.WC?bytes
Isiphelo sesakhelo: checksum (2 bytes)
Ubungakanani besakhelo:
4 s (0 ukuya 65535) kunye 2 s 6 ukuya 65541 bytes
I-4, uhlobo lwedatha yesakhelo Nazi iinkcazo zemifanekiso yesihlanu, umzekelo we-MIPI DSI wokulinganisa umqondiso we-1, imephu yokulinganisa umqondiso we-MIPI DSI 2 kwimodi yamandla aphantsi, i-MIPI D-PHY kunye ne-DSI imo yokuhambisa kunye nemodi yokusebenza...I-D-PHY kunye ne-DSI imo yothumelo, amandla aphantsi (amandla aphantsi) Imowudi yomqondiso (yokulawula): 10MHz (max) - Imowudi yesignali ye-Speed ​​​​Speed ​​(ukudluliselwa kwedatha ephezulu): 80Mbps ukuya kwi-1Gbps / Lane - D-PHY mode yokusebenza – Imowudi yokubaleka, i-High-Speed ​​(Burst) m ode, Imo yokulawula , imowudi yeDSI yokusebenza , Imowudi yomyalelo (efana ne-MPU interface) – Indlela yeVidiyo (ifana ne-rGB interface) – Idatha kufuneka idluliselwe kwimowudi yesantya esiphezulu I-3, izigqibo ezincinci - Imo yokudlulisa kunye nemodi yokusebenza yimiba eyahlukeneyo...Imowudi yoThutho lwe-Speed-Speed ​​kufuneka isetyenziswe kwiMowudi yeVidiyo yokusebenza.Nangona kunjalo, imowudi yeModi yomyalelo idla ngokusetyenziselwa ukufunda nokubhala iirejista xa iimodyuli zeLCD ziqaliswa, kuba idatha ayiqhelekanga kwiimpazamo kwaye kulula ukuyilinganisa ngesantya esiphantsi.IMowudi yevidiyo inokuthumela imiyalelo usebenzisa i-High-Speed, kwaye iMowudi yoMyalelo inokusebenzisa imowudi ye-High-Speed ​​yokusebenza, kodwa akuyomfuneko ukwenza oko.