The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP
: y4 A4 [& f8 y0 r; C4 esupports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual 9 @% i7 Q( B. V" _- q* B7 H2 w. ?- K
experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision 2 C# W( W/ q& h$ Y/ F9 C
easier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost
: h7 A3 x) S. q' Ceffective choice.
! z# t/ k; x i$ DBesides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or
& g1 Q$ D! T% _* Jdigital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit $ V- ^0 _: v4 M7 [
with mono or stereo.) ^, Z( d+ s5 {" B1 y
The major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to
$ ^3 @: `) [7 `: _video stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB
$ r+ }: u/ @4 n' z8 x; G! G5 c; kVideo Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A
! Q7 O, h3 I+ d; j$ leasy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in + ]: L- D( @# I3 q$ P& K+ S
camera, camcorder, surveillance, video conference and machine vision (AI).
$ A* M9 C9 u4 M, KSN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is
( Q; H5 s# q/ h3 Hup to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate $ U _2 y$ Q9 P2 N: |' a
controller provides various compression ratios to meet bandwidth requirement. This system is controlled by the
4 z0 ^. I! [8 [6 A' }embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM,
0 J& c& B% s h! Q& Winternal RAM and external serial-flash which can store the customized codes and parameters.6 l, m. C( m! q
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM e6 i: b. B. L8 C' o% p8 E- b; v4 B
and PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.$ A! B$ i" k( M3 u5 T n
SN9C2805A_0.02.pdf
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发表于 2024-3-22 13:13:08