MIPI dubawa

I. MIPI MIPI (Mobile Industry Processor Interface) shi ne gajarta ga Wayar hannu Processor Interface.
MIPI (Mobile Industry Processor Interface) buɗaɗɗen ma'auni ne na masu sarrafa aikace-aikacen wayar hannu wanda ƙungiyar MIPI Alliance ta ƙaddamar.

Abubuwan da aka kammala kuma suna cikin shirin sune kamar haka: Rubuta bayanin hoto a nan
NA BIYU, MIPI ALLIANCE'S MIPI DSI BAYANI
1, tafsirin suna
TheCS na DCS (DisplayCommandSet) ƙayyadadden tsari ne na umarni don nunin kayayyaki a yanayin umarni.
DSI, CSI (DisplaySerialDisplay, KamaraSerialInterface)
DSI tana bayyana ma'anar siriyal mai sauri tsakanin mai sarrafawa da tsarin nuni.
CSI tana bayyana ma'anar siriyal mai sauri tsakanin mai sarrafawa da tsarin kyamara.
D-PHY: Yana ba da ma'anar Layer na zahiri don DSI da CSI
2, DSI Layer tsarin
DSI an kasu kashi hudu, daidai da D-PHY, DSI, DCS ƙayyadaddun bayanai, tsarin tsari kamar haka:
PHY tana bayyana matsakaicin watsawa, da'irar shigarwa/fitarwa, da tsarin agogo da sigina.
Layer Management Layer: Aika da tattara kwararar bayanai zuwa kowane layi.
Lower Princol Layer: Yana bayyana yadda aka zana filayen da aka raba da ƙididdiga, gano kuskure, da sauransu.
Layer na aikace-aikacen: Yana bayyana babban matakin rufaffen rikodi da rarraba bayanai.

Rubuta bayanin hoto a nan
3, Umurni da Yanayin Bidiyo
Abubuwan da ke dacewa da DSI suna goyan bayan Umurni ko hanyoyin aiki na Bidiyo, wanda yanayin ke ƙayyade ta yanayin Umurnin gine-gine na gefe yana nufin aika umarni da bayanai zuwa mai sarrafawa tare da cache na nuni.Mai watsa shiri a kaikaice yana sarrafa kewaye ta hanyar umarni.
Yanayin umarni yana amfani da mu'amala ta hanyoyi biyu Yanayin Bidiyo yana nufin amfani da rafukan hoto na gaske daga mai watsa shiri zuwa na gefe.Wannan yanayin ba za a iya watsa shi cikin sauri mai girma ba.

Don rage rikitarwa da adana farashi, tsarin bidiyo-kawai na iya samun hanyar bayanai ta hanya ɗaya kawai
Gabatarwa zuwa D-PHY
1, D-PHY yana bayanin aiki tare, babban sauri, ƙaramin ƙarfi, PHY mai ƙarancin farashi.
Tsarin PHY ya haɗa da
Hanyar agogo
Hanya ɗaya ko fiye data
Tsarin PHY na Layi biyu ana nunawa a ƙasa
Rubuta bayanin hoto a nan
Nau'ukan manyan hanyoyi guda uku
Layin agogon hanya ɗaya
Layin bayanan hanya ɗaya
Layin data hanya biyu
Yanayin watsa D-PHY
Yanayin sigina mara ƙarfi (Ƙaramar-Power) (don sarrafawa): 10MHz (max)
Yanayin sigina mai sauri (don watsa bayanai mai sauri): 80Mbps zuwa 1Gbps/Lane
Yarjejeniyar ƙaramar matakin D-PHY tana ƙayyadaddun cewa mafi ƙarancin naúrar bayanai shine byte
Lokacin aika bayanai, dole ne ya zama ƙasa kaɗan a gaba da babba a baya.
D-PHY don aikace-aikacen hannu
DSI: Nuni serial interface
Hanyar agogo ɗaya, layin bayanai ɗaya ko fiye
CSI: Serial Interface
2, Lane module
PHY ya ƙunshi D-PHY (Lane Module)
D-PHY na iya ƙunsar:
Mai watsawa mara ƙarfi (LP-TX)
Mai karɓar ƙaramar ƙarfi (LP-RX)
Mai watsawa mai sauri (HS-TX)
Mai karɓa mai ƙarfi (HS-RX)
Gasar Gasar Ƙarfin ƙarfi (LP-CD)
Nau'ukan manyan hanyoyi guda uku
Layin agogon hanya ɗaya
Jagora: HS-TX, LP-TX
Bawa: HS-RX, LP-RX
Layin bayanan hanya ɗaya
Jagora: HS-TX, LP-TX
Bawa: HS-RX, LP-RX
Layin data hanya biyu
Jagora, Bawa: HS-TX, LP-TX, HS-RX, LP-RX, LP-CD
3, Lane jihar da ƙarfin lantarki
Jihar Lane
LP-00, LP-01, LP-10, LP-11 (mai ƙarewa ɗaya)
HS-0, HS-1 (bambanci)
Wutar lantarki ta layi (na al'ada)
Saukewa: 0-1.2V
HS: 100-300mV (200mV)
4, yanayin aiki
Hanyoyin aiki guda uku don Layin Data
Yanayin tserewa, Yanayi mai girma, Yanayin sarrafawa
Matsaloli masu yiwuwa daga yanayin tsayawa na yanayin sarrafawa sune:
Neman yanayin gujewa (LP-11-LP-10-LP-00-LP-01-LP-00)
Buƙatar yanayin saurin-sauri (LP-11-LP-01-LP-00)
Neman juyawa (LP-11-LP-10-LP-00-LP-10-LP-00)
Yanayin tserewa aiki ne na musamman na Layin bayanai a cikin jihar LP
A cikin wannan yanayin, zaku iya shigar da wasu ƙarin ayyuka: LPDT, ULPS, Trigger
Layin Data yana shiga yanayin tserewa ta hanyar LP-11- LP-10-LP-00-LP-01-LP-00
Da zarar a cikin yanayin tserewa, dole ne mai aikawa ya aika umarni 1 8-bit don amsa aikin da aka nema
Yanayin Tserewa yana amfani da Wuta Mai Rufe-Ɗaya-Daya
Ƙarƙashin Ƙarfin Ƙarfi
A cikin wannan jihar, layukan babu komai (LP-00)
Yanayin wutar lantarki mai ƙarancin ƙarfi na Clock Lane
Clock Lane yana shiga jihar ULPS ta hanyar LP-11-LP-10-LP-00
Fita wannan jihar ta LP-10, TWAKEUP, LP-11, mafi ƙarancin lokacin TWAKEUP shine 1ms
watsa bayanai mai sauri
Aikin aika bayanan serial mai sauri ana kiransa canja wurin bayanai mai sauri ko jawowa (fashe)
Duk kofofin Layi suna farawa tare da aiki tare kuma ƙarshen lokacin na iya bambanta.
Ya kamata agogon ya kasance cikin yanayin saurin sauri
Tsarin canja wuri ƙarƙashin kowane yanayin aiki
Tsarin shigar da Yanayin Gudu: LP-11- LP-10- LP-00-LP-01-LP-01-LP-00-Lambar Shiga-LPD (10MHz)
Hanyar fita da yanayin tserewa: LP-10-LP-11
Tsarin shigar da yanayin saurin sauri: LP-11- LP-01-LP-00-SoT (00011101) - HSD (80Mbps zuwa 1Gbps)
Tsarin fita yanayin saurin sauri: EoT-LP-11
Yanayin sarrafawa - Tsarin watsa BTA: LP-11, LP-10, LP-00, LP-10, LP-00
Yanayin sarrafawa - Tsarin karɓar BTA: LP-00, LP-10, LP-11

Jadawalin canjin jiha

Rubuta bayanin hoto a nan
Gabatarwa zuwa DSI
1, DSI shine keɓaɓɓen dubawar Lane, Layin agogo 1/1-4 bayanai Lane Lane
Abubuwan da ke dacewa da DSI suna tallafawa 1 ko 2 ainihin hanyoyin aiki:
Yanayin Umurni (mai kama da dubawar MPU)
Yanayin Bidiyo (mai kama da dubawar RGB) - Dole ne a canja wurin bayanai a cikin yanayin sauri don tallafawa canja wurin bayanai a cikin tsari 3
Yanayin bugun jini mara fashewa
Yanayin Taron Haɗin Kai mara Fashewa
Yanayin fashewa
Yanayin watsawa:
Yanayin sigina mai sauri (Yanayin sigina mai sauri)
Yanayin sigina mara ƙarfi (Yanayin sigina mara ƙarfi) - layin bayanai kawai 0 (agogo ya bambanta ko ya fito daga DP, DN).
Nau'in firam
Short Frames: 4 bytes (kafaffen)
Dogayen firam: 6 zuwa 65541 bytes (mai canzawa)
Misalai biyu na watsa bayanai mai saurin gaske
Rubuta bayanin hoto a nan
2, gajeriyar tsarin firam
Firam shugaban (4 bytes)
Bayanan Bayanai (DI) 1 byte
Bayanan firam - 2 bytes (tsawon da aka kayyade zuwa bytes 2)
Gano Kuskuren (ECC) 1 byte
Girman firam
An kayyade tsawon zuwa 4 bytes
3, Tsari mai tsayi
Firam shugaban (4 bytes)
Bayanan Bayanai (DI) 1 byte
Ƙididdigar bayanai - 2 bytes (yawan bayanai da aka cika)
Gano Kuskuren (ECC) 1 byte
Cika bayanai (0 zuwa 65535 bytes)
Tsawon s.WC?bytes
Ƙarshen firam: checksum (2 bytes)
Girman firam:
4 s (0 zuwa 65535) da 2 s 6 zuwa 65541 bytes
4, Nau'in bayanan firam Anan ga bayanin hoto na biyar, MIPI DSI ma'aunin siginar misali 1, MIPI DSI taswirar auna siginar 2 a Yanayin Ƙarfin Ƙarfi, MIPI D-PHY da yanayin watsa DSI da yanayin aiki...Yanayin watsa D-PHY da DSI, Yanayin sigina mara ƙarfi (Ƙasashen Ƙarfin Ƙarfi) (don sarrafawa): 10MHz (max) - Yanayin sigina na sauri (don watsa bayanai mai sauri): 80Mbps zuwa 1Gbps / Lane - Yanayin D-PHY na aiki - Yanayin tserewa, High-Speed ​​(Burst) m ode, Yanayin sarrafawa, Yanayin aiki na DSI, Yanayin Umurnin (mai kama da na'urar MPU) - Yanayin Bidiyo (mai kama da rGB interface) - Dole ne a watsa bayanai a cikin yanayin sauri. 3, ƙananan ƙarshe - Yanayin watsawa da yanayin aiki daban-daban ra'ayoyi ne...Dole ne a yi amfani da yanayin watsawa na High-Speed ​​a yanayin aiki na Bidiyo.Koyaya, yanayin yanayin umarni yawanci ana amfani da shi don karantawa da rubuta rajista lokacin da aka fara samar da kayayyaki na LCD, saboda bayanan ba su da kusanci ga kurakurai kuma suna da sauƙin aunawa a ƙananan gudu.Yanayin Bidiyo kuma yana iya aika umarni ta amfani da High-Speed, kuma Command Mode kuma yana iya amfani da yanayin aiki mai sauri, amma ba lallai bane yin hakan.