The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP
" _3 M0 K$ E+ p$ w3 m& wsupports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual
- D# g0 e0 D. @! O- ?experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision * F8 \4 i! q( ^4 {$ F. M
easier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost
! k- l' U. E O6 _, P" L3 peffective choice.
6 p) e+ `" P5 x% D, fBesides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or
# ^8 X. O' N, W4 h, ], T' S% m* s/ ?digital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit
7 ?; z- n2 ^0 o2 t. `5 ewith mono or stereo.
) P# X" W6 z8 Q" t. t+ `The major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to 2 g( P( e1 A/ S/ J3 V
video stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB
' |6 W* u* [; o% _* BVideo Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A9 U/ \! X9 P( n5 h
easy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in
8 d; w! v: G d3 Bcamera, camcorder, surveillance, video conference and machine vision (AI).) r5 C) c' K" b: f* _( m
SN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is % t: ^, D, A3 _% ^" ?
up to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate 9 W% k. e% ~/ h" m$ `
controller provides various compression ratios to meet bandwidth requirement. This system is controlled by the / `% @# d, o0 V. [ d. q
embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM,
! @# m& M0 n$ n* v3 j+ O( ^7 Xinternal RAM and external serial-flash which can store the customized codes and parameters.- F2 {" s( |" O8 s
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM ' a/ Z' N3 ?' e1 b
and PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.
" B! W+ }) g X$ U2 i( K
SN9C2805A_0.02.pdf
(1.02 MB, 下载次数: 257)
& [7 Z! z1 n. N
/ w3 S% b" F! k* b7 z
|