The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP
# O: F- {' _7 H' Qsupports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual / N7 t! r. G# @
experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision
" |7 |9 n' x3 B2 T" f/ V" s6 @) h$ Keasier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost 2 O, x& j1 [( O3 B6 x/ S9 V
effective choice.
0 A1 T9 A$ w4 J5 y2 hBesides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or
4 F8 ~0 |$ Q1 C+ @digital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit 9 ]3 [' `& v. Z0 g' a/ B6 C
with mono or stereo.
3 e+ G" Z3 S" g+ `) n3 iThe major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to
9 `8 b0 {3 F; q7 lvideo stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB
% U) u# w/ D* O. qVideo Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A9 `6 _; h3 n' C
easy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in
' }% y$ r( l$ C0 I9 j4 L; E6 ocamera, camcorder, surveillance, video conference and machine vision (AI).1 v$ M: U2 t1 t0 z3 |
SN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is
3 l2 d( |1 p- G! Yup to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate # c1 Z& W6 J8 a3 @1 `
controller provides various compression ratios to meet bandwidth requirement. This system is controlled by the 5 @0 |2 k& ~ \/ ]6 T
embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM, 7 _: B# F* X J! ~. ~
internal RAM and external serial-flash which can store the customized codes and parameters.: J2 V* r# \" k) r9 p
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM
`/ |2 s% u$ S% T" M0 {# m$ Oand PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.9 J8 n# @' [- m2 C% \
SN9C2805A_0.02.pdf
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|Shenzhen Lianshi Electronics Co., Ltd
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发表于 2024-3-22 13:13:08