The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP
: B! Q. S6 A5 l. c. nsupports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual
5 Q7 Q. ?- n- d- T0 f5 q! A8 d8 {$ _experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision
+ k7 B* n" d5 e( c2 oeasier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost
# C9 r+ Q4 L9 I% u3 T: i q8 Veffective choice.
9 ?1 H6 N: u9 [9 ?Besides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or 0 h) x w3 A6 ?
digital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit . x$ k. ^' q( `! t7 U% O3 d: M" i
with mono or stereo.
+ p I9 S! x6 n- k# e6 }6 V0 nThe major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to
7 }6 a# M+ T. B9 i2 Lvideo stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB Q! H$ w N" A+ Y9 X# [
Video Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A
' T+ Y `! K. W) keasy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in
8 j: ~2 i+ j9 q9 I4 r. ?( E- a3 Q$ Ucamera, camcorder, surveillance, video conference and machine vision (AI).
; V" q' d- m- G* T$ W" lSN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is
. O$ W7 ]3 J/ \6 A4 ?: Uup to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate
8 H) s# P7 x E& o% Pcontroller provides various compression ratios to meet bandwidth requirement. This system is controlled by the
: v. w3 \8 r2 i- c3 r% Cembedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM, 4 M& Y' Y/ T; S, V+ F7 b& D
internal RAM and external serial-flash which can store the customized codes and parameters.0 H# B8 U# e" Q c
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM
; }7 k1 r/ L: f! K$ G _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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发表于 2024-3-22 13:13:08