A 3840 x 2160 se so u i g 60fps at 12-bit p oduces close to six gigabits of aw pixel data eve y seco d befo e bla ki g ove head. Movi g that payload i to a embedded p ocesso is whe e most 4K pe ceptio p og ams stall. A USB 3.x li k adds e ume atio behavio a d d ive buffe i g to the timi g path, while a GigE li k adds a etwo k stack a d comp essio , a d both i t oduce jitte that a closed-loop co t ol system ca ot budget fo . As a MIPI CSI-2 came a, the Bolt-821CRS moves that p ocessi g o to the came a module itself. The o boa d high-pe fo ma ce ISP coupled with the AR0821 se so completes sig al p ocessi g befo e the st eam leaves the boa d, so Jetso O i eceives a fi ished f ame athe tha aw se so output that still eeds co ectio .
The O semi AR0821 Came a platfo m a swe s the payload side with a 4-la e MIPI CSI-2 output ated at 1.7 Gbps pe la e. Full- esolutio li ea eadout at 60fps u s at 1.68 Gbps pe la e, above the 1.4 Gbps th eshold whe e deskew a d boost setti gs must be e abled at the egiste level fo the eceive to lock. The seco d co st ai t is dy amic a ge, because outdoo sce es outi ely spa mo e tha 120 dB betwee su lit asphalt a d a tu el mouth. Vadzo exami es that t ade-off i its guide to high dy amic a ge came a desig a d ships this boa d-level came a module with the egiste seque ces al eady ve ified agai st the Jetso O i CSI eceive .
The Bolt-821CRS i teg ates the AR0821 MIPI Came a se so platfo m f om o semi, a 1/1.7-i ch CMOS device with a 3848 H x 2168 V active a ay totali g 8.3 millio pixels. The pixel is a 2.1 µm automotive-g ade backside-illumi ated st uctu e built o DR-Pix dual co ve sio gai tech ology. The colo filte a ay is RGB Baye with a 18-deg ee chief ay a gle, a d eadout is elect o ic olli g shutte . As a AR0821 Rolli g Shutte MIPI Came a, the module is optimized fo sce e dy amic a ge athe tha motio f eezi g.
As a AR0821 Colo MIPI Came a, the Bolt-821CRS delive s 3840 x 2160 at up to 60fps i li ea mode a d switches u de softwa e co t ol i to embedded HDR eadout, whe e the se so eco st ucts a wide- a ge f ame f om th ee o fou i te al exposu es a d outputs a si gle composited st eam. Maximum dy amic a ge i 4-exposu e eHDR exceeds 140 dB, a d a 2-exposu e li e-i te leaved HDR mode is available at 10-bit depth. Subsampled eadout gives this AR0821 4K MIPI Came a a seco d tie at 1920 x 1080, eachi g 110fps with 2×2 scali g a d 190fps with 2×2 bi i g. Maximum SNR is 41 dB.
Vadzo catalogs the module as a AR0821 HDR Came a, a AR0821 4K Came a, a d a 8MP Colo MIPI Came a because the same ha dwa e cove s 4K li ea captu e, embedded HDR captu e, a d 4K, 720p, a d 1080p high- ate captu e th ough mode selectio alo e. Host i teg atio u s th ough V4L2 ke el d ive s a d device t ee ove lays athe tha a use space SDK, the sta da d model ac oss the Vadzo embedded MIPI CSI-2 came a po tfolio. Validated platfo ms i clude Jetso O i NX, Jetso O i Na o, a d Jetso O i AGX, with d ive suppo t fo Raspbe y Pi 4, Raspbe y Pi 5, a d NXP i.MX8M Plus. As a Jetso Came a Module, the Bolt-821CRS is a sta dalo e MIPI CSI-2 module that co ects to Jetso O i ha dwa e th ough this i te face, athe tha a compo e t built i to the Jetso module itself.
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8.3MP active a ay 3848 x 2168 |
2.1 µm DR-Pix dual co ve sio gai BSI pixel |
2 La e MIPI CSI-2 & 4 La e MIPI CSI-2 |
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Wi dowi g a d I -pixel bi i g |
Multi came a sy ch o izatio suppo t |
Additio al Se so Fu ctio s |
Built-i tempe atu e se so , selectable automatic o use -co t olled black level co t ol |
NVIDIA Jetso O i NX, Jetso O i Na o, Jetso O i AGX, Raspbe y Pi 4, Raspbe y Pi 5, NXP i.MX8M Plus |
38mm (L) x 38mm (B), co ve tible to 32mm (L) x 32mm (B) |
“The i te esti g e gi ee i g questio with a 8MP se so is eve whethe it ca p oduce a 4K f ame. It is whethe the system ca move that f ame i to the p ocesso at ate, i the dy amic a ge the sce e actually p ese ts, without spe di g the i fe e ce budget o image clea up. That is what we validated o Jetso O i . The 4-la e li k u s at 1.68 Gbps pe la e with the deskew co figu atio locked dow , eHDR eco st uctio happe s i side the se so athe tha i the applicatio , a d the Regio of I te est modes let o e module se ve a 4K classificatio path a d a 190fps t acki g path f om the same boa d. Fo ADAS validatio igs, AGV avigatio stacks, a d oadside odes, the AR0821 MIPI Came a emoves the two isks that usually co sume the schedule: CSI li k stability a d dy amic a ge failu e i eal outdoo light.” – Alwi Vi ce t, P oduct Ma age , Vadzo Imagi g.
The Bolt-821CRS 8MP 4K HDR MIPI Came a is available ow fo evaluatio a d OEM i teg atio th ough the Vadzo Imagi g o li e sto e with o mi imum o de equi eme t. Each evaluatio u it ships with the came a module, default M12 le s, a d d ive docume tatio cove i g device t ee ove lays a d V4L2 ke el d ive packages fo the suppo ted platfo ms, with this AR0821 Jetso Came a package i cludi g po ti g suppo t fo othe embedded Li ux ta gets o equest. Vadzo suppo ts OEM customizatio i cludi g fo m facto a d boa d edesig , fi mwa e developme t, le s holde a d filte co t ol modificatio , NIR a d illumi atio boa d i teg atio , a d IP- ated e closu e desig . To equest a evaluatio u it, full specificatio s, o volume p ici g, co tact the Vadzo Imagi g suppo t team.
Vadzo Imagi g develops embedded a d machi e visio came a p oducts fo OEMs a d system i teg ato s buildi g p oductio – eady visio systems ac oss i dust ial automatio , obotics, healthca e, secu ity a d sma t i f ast uctu e. The compa y’s MIPI CSI-2 came a se ies, alo gside USB 3.x, GigE, Wi-Fi, a d Se Des i te face came a p oducts, suppo ts the full a ge of embedded deployme t a chitectu es. Vadzo p ovides e d-to-e d suppo t i cludi g se so i teg atio , ISP tu i g, fi mwa e a d V4L2 d ive developme t, a d OEM came a customizatio . E gi ee i g teams ca eview the complete i dust ial a d machi e visio came a li eup a d the 8MP MIPI Came a a ge at www.vadzoimagi g.com.
Alwi Vi ce tVadzo Imagi gEmail: