The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP - }: @1 G& k9 _& v
supports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual
3 u9 n; s, [6 H, M9 n! Jexperiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision R3 D$ |, A3 J# E7 `. B- M l. U Z
easier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost
; B/ _' Y4 H1 F* Z! Ceffective choice.
6 w1 ~9 t. `5 y9 gBesides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or 3 L3 S% l- ^6 k2 W, _* i
digital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit
; w4 ~" G1 X% O6 j& E8 u5 lwith mono or stereo.: m7 F* v/ ]6 T' R5 z( ]2 b1 d; V
The major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to
/ v0 _5 l; a. g6 t! D0 Wvideo stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB
6 b/ Y+ f( e* K% @) o. n5 aVideo Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A
# B* d4 T" E J8 l- Beasy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in
; C; n( [& A. ?' E$ }camera, camcorder, surveillance, video conference and machine vision (AI).
5 c; D) o' L( CSN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is
6 I0 I- a8 x* I& r4 r% F+ ~up to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate * r; y1 p. n+ H9 O4 H
controller provides various compression ratios to meet bandwidth requirement. This system is controlled by the
p7 k9 Q4 U* o9 R& `embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM,
) J2 K8 x% I' r$ }! f, W. cinternal RAM and external serial-flash which can store the customized codes and parameters.- r: \- W" b6 q/ q) }) D Y
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM 2 F5 D P: z, X' e& ~
and PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.# u. z9 q, g2 z# C5 |- ]
SN9C2805A_0.02.pdf
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