The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP
" L8 ]% v/ v* y: Wsupports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual * C) N! ]" ~, [: q" r. z" g( P
experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision
; R2 _. b6 C' w8 a |7 [; Z* Eeasier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost
& _% t& {+ ]" }5 reffective choice.
, h' |9 Z. E. y2 b! ^0 NBesides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or
8 ?5 l1 k) \3 b$ b- {9 H& N, |digital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit
% D* t6 y* a+ b2 W c O$ Mwith mono or stereo.) j3 e1 ~9 M2 B: D
The major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to 1 S' L5 U$ b1 e( l% M& p8 c
video stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB
- Q0 g6 }2 l" z; b6 W) ^% X: GVideo Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A' U- |0 F: }! A, i, X9 T; U6 C* i
easy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in
2 n5 r% X3 S6 {: ?camera, camcorder, surveillance, video conference and machine vision (AI).
3 R1 z t' g! E& ?! b9 g' P+ rSN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is
: Z6 I; S3 f9 Mup to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate 5 ?5 {) h& e4 U9 ]( l
controller provides various compression ratios to meet bandwidth requirement. This system is controlled by the
; \1 i- V; a' q' P+ a0 e+ ?" z, T2 {, Hembedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM, 3 k+ m* i7 b% w6 E
internal RAM and external serial-flash which can store the customized codes and parameters. e- I% j) N/ O9 A
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM : l5 E: K- F) N8 `) i0 O7 s
and PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.2 X" w# v! `: P2 V
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发表于 2024-3-22 13:13:08