The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP ! C0 F+ W/ ^1 U$ U% Z( a
supports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual
( I" n* b1 w; l" X; i4 [experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision
6 h* i2 ^( U4 ? {. B& L( eeasier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost
% c- ^( i( V3 a3 neffective choice.: N% l2 f; y4 c) q
Besides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or
9 Q1 t" W8 P+ R4 X- }1 N0 M0 Cdigital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit
* H0 b5 U. d9 l1 `! w8 E! {with mono or stereo.0 B% [3 E" H8 F2 l2 o6 `3 F. j
The major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to
0 c, o8 I9 ?( }# x4 Cvideo stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB 9 O* Q7 J i6 i* T
Video Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A
5 x: ~, u7 B" A9 H- x0 I. weasy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in 1 N* w7 t7 M7 r3 U8 {
camera, camcorder, surveillance, video conference and machine vision (AI).
. X; }& ~ m$ o5 U4 fSN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is ' M C6 V1 E1 N8 `2 \, C4 f
up to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate / |; u& |, p! T, I* i8 q
controller provides various compression ratios to meet bandwidth requirement. This system is controlled by the
8 }' o1 Z4 V; \- eembedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM, - t# ?' f& @ c6 ^9 u' ~
internal RAM and external serial-flash which can store the customized codes and parameters.
! B7 H" R& D. u. T+ vThere are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM ' Q$ `' S# {+ I' r, z8 Y
and PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.
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SN9C2805A_0.02.pdf
(1.02 MB, 下载次数: 471)
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|Shenzhen Lianshi Electronics Co., Ltd
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发表于 2024-3-22 13:13:08