The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP 0 h- G9 }1 _( }. U
supports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual 7 i& U; \2 T. l5 T6 {4 L0 E
experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision + n. w( j" f! [1 m W; i8 b* I: Q( R2 m$ L
easier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost & h0 ?! Q, T* e4 a$ J
effective choice.7 J8 i3 o/ W' h' {% Y
Besides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or ! F1 x9 ^2 V6 c' b( h L* P) X
digital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit 0 e' T. R: X' e
with mono or stereo.$ t6 t0 j5 A9 z* T
The major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to 9 r: I2 k/ G4 t5 C: V! [6 U; W
video stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB
) q7 W9 {: J4 a; [Video Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A4 d- R. K/ m3 R, C* N0 h0 I6 H
easy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in
h, W3 w* K' A( ~+ a p5 @; Ocamera, camcorder, surveillance, video conference and machine vision (AI).
5 w1 Q& `$ Y( K1 {/ PSN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is : T4 q# @" v Z) N! U, u7 K
up to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate
4 g" `' L: f: S0 X3 Vcontroller provides various compression ratios to meet bandwidth requirement. This system is controlled by the % E- l% l' b% A
embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM, - F+ X0 k" _) O
internal RAM and external serial-flash which can store the customized codes and parameters.
7 z. h' G* h: N3 w( xThere are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM ! m7 B$ _' w% ?( _% v
and PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.- c7 Q }4 M, B i/ K
SN9C2805A_0.02.pdf
(1.02 MB, 下载次数: 289)
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发表于 2024-3-22 13:13:08