Imojuli yekhamera ye-DVP VS MIPI

Isingeniso

Ikhamera evamile kuma-smartphones yi-MIPI, kanti amanye amakhamera (njengezingxenyekazi zekhompuyutha ezithile ezisekela isixhumi esibonakalayo se-DVP) ayi-DVP.

I-MIPI imfushane yokuthi I-Mobile Industry Processor Interface ( Ngamafuphi, i-USB imele i-Universal Serial Bus, i-MIPI imele i-Mobile Industry Processor Interface, i-DVP imele imbobo yevidiyo yedijithali, kanti i-CSI imele i-CMOS Sensor Interface.

1.DVP interface

I-DVP ibhasi ye-PCLK umkhawulo cishe we-96M, futhi ubude bomugqa angeke bube bude kakhulu, izinga eliphezulu lazo zonke i-DVP lilawulwa kangcono ngaphansi kwe-72M, ukuhlelwa kwe-PCB kulula ukudweba.

I-DVP iyimbobo ehambisanayo futhi idinga i-PCLK, i-VSYNC, i-HSYNC, i-D[0:11] - ingaba idatha ye-8/10/12bit, kuye nge-ISP noma usekelo lwe-baseband

Ingxenye yokuphuma kwe-DVP: I-VSYNC(isignali yokuvumelanisa uhlaka), i-HSYNC (isignali yokuvumelanisa umugqa), i-PCLK (iwashi lephikiseli), ulayini wedatha (8-bit noma 10-bit) - idatha yoqobo ye-RGB edlulisiwe

2.MIPI interface

I-MIPI iyi-different serial port transmission, isivinini esisheshayo, anti-interference.Amamojula ajwayelekile omakhalekhukhwini manje asebenzisa ukudluliswa kwe-MIPI.

Ikhamera ye-MIPI inezinto ezintathu zamandla: i-VDDIO (amandla e-IO), i-AVDD (amandla e-analog), i-DVDD (amandla edijithali ye-kernel), i-sensor module ikhamera yamandla ehlukile ihlukile, i-AVDD ine-2.8V noma i-3.3V;I-DVDD ngokuvamile isebenzisa i-1.5V noma ngaphezulu, idizayini yabakhiqizi abahlukene ihlukile.

Inothi elingeziwe: I-interface yekhamera ye-MIPI ibizwa nge-CSI, futhi isibonisi se-MIPI sibizwa nge-DSI.

Ukucaciswa kwesixhumi esibonakalayo se-CSI-2 kukhishwa yinhlangano ye-MIPI (Mobile Industry Processor Interface) ku-serial interface yekhamera.

Isixhumi esibonakalayo se-MIPI CSI-2 sisebenzisa izinsiza ezimbalwa ezivela ku-CPU - sibonga amaphrosesa ayo abalulekile.Kuyisixhumi esibonakalayo sekhamera esizenzakalelayo se-Raspberry Pi ne-Jetson Nano.Imojula yekhamera ye-Raspberry Pi i-V1 ne-V2 nayo isekelwe kuyo.

I-MIPI iyindinganiso evulekile yabacubungula bezinhlelo zeselula eqalwe yi-MIPI Alliance, kanti i-MIPI-CSI-2 protocol iyiphrothokholi engaphansi ye-MIPI Alliance protocol, eklanyelwe ngokukhethekile ukuxhumana kwe-chip yekhamera.

I-Ronghua, ingumkhiqizi onguchwepheshe ku-R&D, ukwenza ngokwezifiso, ukukhiqizwa, ukuthengisa kanye nensizakalo yamamojula wekhamera, i-USB DVP

kanye namamojula ekhamera ye-MIPI, amalensi neminye imikhiqizo.Uma unentshisekelo yokuxhumana nathi, sicela:

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