The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP
: H4 ^4 r/ d1 Tsupports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual
1 C0 }3 Z% y. Gexperiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision % h& g1 q/ B7 w) A i, z \
easier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost 4 `- X6 i: c: w. _( w; |& g E# `/ w
effective choice.
7 R4 {; f! G: WBesides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or
' m X: q2 n1 F$ {2 f- N+ jdigital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit . M/ n# x& h6 r6 c3 n2 m1 i
with mono or stereo.
' R) B4 M' M/ ]( t: o' QThe major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to
w# Q# }. {2 y& M5 K. K3 L- Fvideo stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB
6 I1 H1 q/ t5 \& L4 ]7 A) }% NVideo Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A: a7 C* ~" z# z8 ?
easy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in
( R: ?* c. k2 G p4 Kcamera, camcorder, surveillance, video conference and machine vision (AI).
9 V; O! n! T8 t& ~. I+ i! pSN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is
/ F/ p" L, Y w8 x$ mup to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate
. y& d; R9 M! u- ?' |% j6 ^2 `controller provides various compression ratios to meet bandwidth requirement. This system is controlled by the
+ j: i9 R8 V8 Rembedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM,
% s; e$ h6 `& e" X! ?2 Minternal RAM and external serial-flash which can store the customized codes and parameters.
8 }! \6 U4 ]/ K( qThere are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM
5 d, B$ E4 j7 e" I hand 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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发表于 2024-3-22 13:13:08