The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP 7 a2 v% n8 X6 t5 x0 z+ N$ f
supports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual
+ ?+ [- r0 W z- w! @experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision r4 ?6 O# R( }) G8 [5 i
easier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost
/ H7 G- b0 @$ |) u+ T4 \& oeffective choice.
) x: y( r+ m* O- q3 b) eBesides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or 2 `+ W/ V' F( U" k* B2 g4 r+ J
digital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit
4 V+ x- h; K4 Nwith mono or stereo.
4 B7 W9 o! q0 j- [' [/ EThe major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to
$ z. a2 n) ]' p, @- Mvideo stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB ) z; S9 Q/ r- W* M$ w
Video Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A
6 S# v) e% n @! keasy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in $ y( h' X2 [) d0 g8 U( y( o$ R
camera, camcorder, surveillance, video conference and machine vision (AI). m1 `. N/ L+ f0 t3 F
SN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is
! {% ?( A }" m1 y8 E# L/ ~up to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate 4 J0 I4 w% G4 Y# w4 g9 b
controller provides various compression ratios to meet bandwidth requirement. This system is controlled by the L7 n% d4 A/ X* r' V- {
embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM, + z6 j$ p I" S2 R& R8 u1 L1 k
internal RAM and external serial-flash which can store the customized codes and parameters.3 t' K4 O6 i5 D# }4 d p2 z
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM 3 N7 ^! n/ _- v8 d) W; [) P
and PCB area. The SN9C2805A is the best choice for the compact modern electronic product design., [8 ^" s, H/ T: `. @; I) g* O
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|Shenzhen Lianshi Electronics Co., Ltd
( 粤ICP备13003189号 )
发表于 2024-3-22 13:13:08