The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP ' `1 s- B9 |3 J8 s
supports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual
" N: `# W8 I/ w8 `1 {; @experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision
9 E- v: w( n7 C. I. x. Measier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost
( X0 O5 D" W+ o! A, }2 ^' _* `2 |effective choice." G0 }( o- \0 J
Besides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or ; J, R4 M; G7 B6 ?" W5 _7 ?
digital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit
; i0 ?/ n8 [! h. m8 k( swith mono or stereo.
! K2 e! b1 o5 k3 h$ z3 Z) wThe major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to / l# |. O! H* J4 y% X
video stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB
1 r( X& ^* J! j# E" L2 HVideo Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A
) [6 D3 D2 b( Q; ?. r& Q. seasy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in
. z6 l( x9 j3 i1 Gcamera, camcorder, surveillance, video conference and machine vision (AI).0 S7 n7 s* {1 A' N# p. X, B
SN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is . k; U) @" }* [& f7 C/ n: r+ P0 v+ A
up to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate
# B4 c7 Y+ e$ @( Z, ~+ f8 m% Kcontroller provides various compression ratios to meet bandwidth requirement. This system is controlled by the 5 l( ?* {4 ]4 ~/ P% e9 c
embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM,
7 N) x. V9 j* l: ?" }internal RAM and external serial-flash which can store the customized codes and parameters./ v. r, |4 ?& n' Y8 i: a9 C$ s2 f! G
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM
5 o0 D3 L: z) k, t# `5 E3 vand PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.8 r8 P! c7 V" g& h. E
SN9C2805A_0.02.pdf
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|Shenzhen Lianshi Electronics Co., Ltd
( 粤ICP备13003189号 )
发表于 2024-3-22 13:13:08