The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP 6 `& ~+ `3 K( m e: _$ W2 _/ F
supports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual * @ z6 [; k! @, l) Z9 ^, F
experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision
. d+ j1 `* A( [1 ^% x, B8 h! ieasier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost
7 i/ T! f, N6 _effective choice.6 @; ^% J* K& S1 q* E
Besides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or " [6 u* Z3 o- _
digital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit p5 G9 v# g& k1 _
with mono or stereo.
( W, ^( T* x/ q0 L% s- G# VThe major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to
( _* w$ C" u- A# f) i$ z4 Hvideo stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB ) y& N: f R6 u- A6 N
Video Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A
& z3 ]) X) K8 M/ leasy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in # _) { c% P+ y$ Q- f
camera, camcorder, surveillance, video conference and machine vision (AI).
% q3 D) }% R! a9 F3 [SN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is
# g1 k1 p, a: s$ v6 L( ?' h# wup to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate
5 I3 ~0 l$ i6 ?- I0 jcontroller provides various compression ratios to meet bandwidth requirement. This system is controlled by the 5 d; s! e! }# G/ J. Q7 F9 B
embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM, " {$ v# n4 g9 K5 ?
internal RAM and external serial-flash which can store the customized codes and parameters.1 b: q7 C0 H! S3 \' n5 J
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM
+ w2 s1 R( ^! O( r7 ~and PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.# ^1 a$ D& M/ ^: O! u! J1 l' E
SN9C2805A_0.02.pdf
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发表于 2024-3-22 13:13:08