The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP 7 u# M/ l( T! \- S. \3 }
supports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual 8 ?, {/ V* N# u( C- k
experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision
' _$ F, g1 a7 heasier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost
+ j& g) r# _" ~8 C- y' q+ peffective choice.3 k: Q( t1 T$ ~7 ^+ [0 A3 ?
Besides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or
/ y; Y$ Z9 x2 L7 I; M! L9 Q! Sdigital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit
3 J9 u/ X# ^2 d0 V- \$ M. {* owith mono or stereo.
" Q0 b1 ~' y) F7 u) Q6 g& XThe major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to * J$ K0 B3 h p: ?9 ^0 t
video stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB
2 p, r" n6 F% Z1 P; o% OVideo Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A" Y; a+ o& O$ d) y
easy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in
. k% N" ?) Y9 s/ d7 Ycamera, camcorder, surveillance, video conference and machine vision (AI).0 O! s. k2 D- O8 Q3 O' B
SN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is
! d6 c% g; y: W! O: M& h% }up to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate
+ x0 T' y( P3 U% P2 I6 U. ocontroller provides various compression ratios to meet bandwidth requirement. This system is controlled by the & [* E3 E6 G/ ~3 b
embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM, " ~4 d4 E2 @; W# k) u: ^! B
internal RAM and external serial-flash which can store the customized codes and parameters.3 c8 s- Q; A- O' r, \
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM
6 ^( ]. `/ G! ] E7 Nand PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.
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SN9C2805A_0.02.pdf
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发表于 2024-3-22 13:13:08