The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP 3 D/ \* L. Z2 c I0 q: J! z
supports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual
* E( @' S* a' g2 Y3 mexperiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision 5 [& G/ |4 {7 K$ |- k! |, t
easier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost
) E6 c* ~: _3 Q4 x: Z: weffective choice.
5 |3 Z) P9 `* [Besides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or
2 p1 m7 J5 y; j J" l3 |2 pdigital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit 3 t4 x" v1 J3 N: N4 u4 x/ p) B5 L
with mono or stereo.# r |# z8 p6 ^ ?* ]! b3 O9 y9 s0 F
The major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to , O# d+ l& G. r; f; L7 x6 d4 K
video stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB
- h2 k& g; T9 Q6 f1 {. R8 k0 ~Video Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A8 a8 d" O N8 F+ X* Y6 k
easy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in 6 `( f/ M, a6 I( b
camera, camcorder, surveillance, video conference and machine vision (AI).
0 B3 F4 v/ K, }$ f( r, B+ U: nSN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is ; Z( w; `0 }% @: W
up to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate , K& R# h: |' D6 g
controller provides various compression ratios to meet bandwidth requirement. This system is controlled by the
4 P. o+ u$ H2 |5 n; j& G2 @embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM,
. Z/ T0 |! u' n" Y) einternal RAM and external serial-flash which can store the customized codes and parameters.
. T6 G5 D: v' x3 d* xThere are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM `$ ?" S6 c+ b. [! b
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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( 粤ICP备13003189号 )
发表于 2024-3-22 13:13:08