The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP ) x+ A6 t, G) y. N1 _) Y4 h2 Q
supports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual : X5 Z+ G2 b- i: x: _# V u' N$ d
experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision
7 D$ i( G" R7 n+ Y/ C! r: S: c6 A: E7 ueasier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost
/ L* @. O' W+ D% ?( q, geffective choice.7 o1 _ r& v/ o
Besides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or
N, L' i& j J( E$ S; N5 D' {digital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit
# O- Y% r; T# I, ^1 e* q$ U/ Hwith mono or stereo.
2 ^0 m% }1 f# \/ g( dThe major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to 0 p! S: r! u2 ]8 }2 y
video stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB 5 ~0 w' K* D0 U3 L4 e2 Q- W# _* F
Video Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A
$ }$ u8 x: u3 w$ Eeasy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in 5 ~( U" Z2 } o. U( U7 Q& e
camera, camcorder, surveillance, video conference and machine vision (AI).) N4 x9 A* L& b2 S! O
SN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is \. n: x6 {! q! Q% p3 {
up to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate ( _# k0 x) U: n* E% p* G
controller provides various compression ratios to meet bandwidth requirement. This system is controlled by the . w4 T% M; y. l/ r+ ~
embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM,
i& [$ e0 {" ]/ H4 {internal RAM and external serial-flash which can store the customized codes and parameters.5 e( J3 ]# [3 z7 Q# N/ m1 _6 y
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM : Y# C9 U0 Q9 H* i# E
and PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.7 s; T; K. d( M" H$ w; S8 O/ q
SN9C2805A_0.02.pdf
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发表于 2024-3-22 13:13:08