[芯片参数] SN9C2805A Datasheet规格书参数PC Camera Controller

发表于 2024-3-22 13:13:08 | 显示全部楼层 |阅读模式
The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP " [- H) U1 Q+ P5 W+ O: o
supports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual
( A, A: y1 W  yexperiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision $ m- G5 p# [; R8 `0 L/ g9 y% A5 e
easier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost # {7 _- r. B  {& z
effective choice.5 G1 J- O: j7 H1 v; ]" [! B- B4 Q
Besides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or # X9 C4 a: R8 u6 F5 m, L
digital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit ) p5 i7 y" p) |# R/ D
with mono or stereo.
4 r. M1 l/ ?0 ZThe major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to
  Q- Q, u! h" \6 Xvideo stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB / L, F1 d( G1 T" o9 u/ y  P
Video Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A! ], s) E! p& l$ m
easy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in 8 T* J0 b4 ?  m- Z7 p
camera, camcorder, surveillance, video conference and machine vision (AI).
7 ?) ?* J  g+ S+ kSN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is
" v+ C0 @! t1 kup to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate
( Q! D/ O0 {/ H( z. e4 e- p2 ]controller provides various compression ratios to meet bandwidth requirement. This system is controlled by the # \5 F0 A+ N0 ^
embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM, * ]% h! G  k6 P- z4 G3 \/ v% D
internal RAM and external serial-flash which can store the customized codes and parameters.% C- Z8 H  i5 ~% o  K2 X4 `
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM % k1 s8 @( k6 o
and PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.
$ X, N, s: ?% ]2 v5 d5 \, Z4 E SN9C2805A_0.02.pdf (1.02 MB, 下载次数: 265)
6 ?% e+ K7 B! h6 `: |5 Y6 b. R" y1 ~' Z0 g7 I
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