The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP
% N; _1 d8 y0 }: }1 Ssupports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual
2 Y; T* p+ a1 i2 W* Vexperiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision
+ o# a" ~: j8 ]7 ^easier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost . ~. j( H- e7 y4 _9 C/ \
effective choice.
, h7 {$ D" P- o+ v9 a# gBesides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or . L6 W$ _6 q' A( b
digital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit - }) m, X5 _# F& B. I/ b7 k1 Q
with mono or stereo., [# d: ^ r" S
The major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to 0 s4 N2 T% O) x6 B2 o2 @
video stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB # P! u% R' X4 h$ v' J+ j
Video Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A
! k- m: y1 ]) P) q7 V3 Ieasy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in 7 _; ?4 }9 T, W/ S
camera, camcorder, surveillance, video conference and machine vision (AI).
& @! A0 T. l' ~* JSN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is 9 \, a6 y% e+ ~5 l6 o4 ^
up to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate
; m9 F4 I4 s. D) X1 acontroller provides various compression ratios to meet bandwidth requirement. This system is controlled by the
" e2 j3 O8 ~: l6 U$ {7 Membedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM, 1 s0 O( l+ f" R/ A
internal RAM and external serial-flash which can store the customized codes and parameters.2 @, F- r& C! Y8 _8 _
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM 8 O0 E0 \7 L" G1 }* p
and PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.% z8 g f# c, ^
SN9C2805A_0.02.pdf
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发表于 2024-3-22 13:13:08