The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP & d, t* ~* R; x' W# Z6 j5 f
supports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual
: \1 h7 @2 {4 J2 @- P4 _experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision
0 B5 O8 d( `. U6 n- }easier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost 0 }$ y1 g3 F# ^8 s* [( @! s6 y5 @6 i
effective choice.
* f' k5 s2 c) e. ^! UBesides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or
: M$ w6 v+ l7 l2 y3 cdigital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit
- Z# ?/ j: Z! { T1 fwith mono or stereo.+ e& \# y/ |- U! d7 N
The major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to ; r: A& _; b- L H2 K
video stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB 4 h9 T0 a' {8 L
Video Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A! Q4 u# W8 |2 n/ `* ~: @% |# F7 `
easy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in
0 T/ r6 }1 w( }& l+ j; ~camera, camcorder, surveillance, video conference and machine vision (AI)./ b# A' e9 D' V6 r! g
SN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is 8 Z- W" o# d$ [) U$ W. c
up to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate , T3 U f- t9 [( B9 L& f* G
controller provides various compression ratios to meet bandwidth requirement. This system is controlled by the 5 H! ?0 \; }! {) B' A) Z
embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM,
: M j9 p' N s- Linternal RAM and external serial-flash which can store the customized codes and parameters.
# W7 a+ d$ y$ j0 m% O# J" RThere are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM
' x: Y$ O9 A3 iand PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.' P' }. a( y3 B9 f9 O! J, d& k+ y, T
SN9C2805A_0.02.pdf
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发表于 2024-3-22 13:13:08