The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP : l: {( p4 Z# s% L# q: n( g
supports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual ) l/ q' y0 |+ V5 i! `
experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision # Y3 a( ~4 |# E/ i$ X6 w* D, \( ]
easier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost
, ~% \& g" l7 e* E# T$ U5 Jeffective choice.
, c1 x& j; y. l+ ? ^# W2 ~1 `Besides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or
. `% x4 P5 d4 c% k. udigital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit , @. l# g( N. p, T
with mono or stereo.+ h% M1 P& k5 a2 O8 y& P" K
The major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to
( C, G% K2 t$ Z0 ]+ V( o9 w1 ~+ Kvideo stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB % ]! ?) e5 G* B) G
Video Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A
+ }7 g' H" M2 S5 Deasy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in
5 Y$ d" c; b' pcamera, camcorder, surveillance, video conference and machine vision (AI).
5 ^7 C5 U! Z2 _3 E$ y1 cSN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is 3 Z( Q1 _) { L4 R# ~8 h; C) A
up to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate
( l- I8 f. i! I' h- y7 Tcontroller provides various compression ratios to meet bandwidth requirement. This system is controlled by the ' |) ?% i1 Y1 t8 h
embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM,
5 D2 }5 ~% d% M# \! }0 Linternal RAM and external serial-flash which can store the customized codes and parameters.
# E1 g1 X/ `$ j7 hThere are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM
6 E/ R1 I9 s. o' I7 {and PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.
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SN9C2805A_0.02.pdf
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发表于 2024-3-22 13:13:08