The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP R7 S2 O4 t# l# g
supports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual 7 d8 U8 B$ ]' H" Q( t4 R* c
experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision 8 Q: S3 C5 H4 x# T9 q
easier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost ! k6 E2 f6 d' m, N; t
effective choice.) }) h; |% E; D" C. P) y' a v# l1 q4 A
Besides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or ; c: u! a. D+ F* D: a* S
digital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit ( a ~' @- N) t0 D: n
with mono or stereo., w/ i0 F( N A8 ^
The major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to
/ q9 i1 o7 v/ @: W# l; r3 t5 xvideo stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB
5 p+ @5 u% d5 F3 J0 BVideo Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A
* d% Y+ y& _9 ]: H- Leasy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in 0 K: r1 k( H, U/ U D* r
camera, camcorder, surveillance, video conference and machine vision (AI).
6 P; p3 h8 G+ y9 H# G% z& O. PSN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is
& p6 m7 ~0 p7 lup to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate 2 F s! E6 A7 j" o& ~+ s: _3 L
controller provides various compression ratios to meet bandwidth requirement. This system is controlled by the
9 u6 y2 G! }" L @/ ^embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM,
8 Y) x2 h; w# C' G& J3 r! r! e) Binternal RAM and external serial-flash which can store the customized codes and parameters.
; i# h$ Z5 \, q/ u0 r0 L( ~There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM
1 v+ |7 y! } v* h: c1 fand PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.
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SN9C2805A_0.02.pdf
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发表于 2024-3-22 13:13:08