The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP - E1 x% a" f" C6 j3 `1 Q
supports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual
# T: q) a0 S& z6 @- Z) `6 ~4 rexperiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision + X$ `6 ] U2 E/ m0 s* W
easier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost
- Q7 ?# u# v9 Z" Y: a! n1 e( xeffective choice.
; d. t; G5 M% J8 s3 GBesides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or ( T' p* h1 ^6 y* s% i
digital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit - i- o3 c% o- L% m( ^
with mono or stereo.7 a5 i5 l$ k$ u8 [6 a! d$ M
The major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to 4 S# Z0 l. P* A% j! S9 `% X
video stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB
- W) B* }) U9 q( `Video Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A; b! i2 f9 ]% [9 Y2 y3 d5 T$ R+ }
easy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in 1 G/ t0 t- Q* {% M! R
camera, camcorder, surveillance, video conference and machine vision (AI).! {% z+ \# e) z
SN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is
/ i8 ?; o6 W; A# Pup to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate
0 v" T2 P! X9 i2 a4 {! }controller provides various compression ratios to meet bandwidth requirement. This system is controlled by the
- k# ?8 I7 b7 X3 f4 rembedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM,
4 b- n$ u7 `" r3 Y* w+ i, pinternal RAM and external serial-flash which can store the customized codes and parameters.+ `- [9 Y% |$ S
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM
; m! n! B- p$ `+ k- k! S- tand PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.
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SN9C2805A_0.02.pdf
(1.02 MB, 下载次数: 300)
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发表于 2024-3-22 13:13:08