The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP
5 t" R7 _* ]& O/ r+ S( ?! isupports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual ! \9 @- e, N; M' U% n2 w- Z
experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision
, t: a1 U6 S! g' }easier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost
2 S k, l9 K7 Leffective choice.; p" d* {6 }2 Q) @, I- C
Besides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or 0 W" R# J2 t* t
digital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit : a. X% A9 W2 d v
with mono or stereo.4 A/ o# ]) k* ?/ ], q! [" Q9 d" M
The major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to
5 m, m: T% ]7 F3 ivideo stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB ! [" }! Y4 x0 @" b2 x' _- x
Video Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A
" v( k7 h6 h# D4 b- ]* ieasy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in / i+ ?, H0 y7 M" T$ n% [ t
camera, camcorder, surveillance, video conference and machine vision (AI).
- ~% Y2 ] @5 t0 \7 I2 a: {! pSN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is
* D1 Z( B; a2 y4 A0 r' X" N. @up to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate
5 X, t8 R" u& Ocontroller provides various compression ratios to meet bandwidth requirement. This system is controlled by the 8 Y; X% \2 @" Y. p
embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM,
O: ~# S9 \; {# J" b7 Binternal RAM and external serial-flash which can store the customized codes and parameters.
0 {/ z' n) b, G) D" [There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM 4 J2 g7 a' A; X" {0 c
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: 21)
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发表于 2024-3-22 13:13:08