[Chip parameters] SN9C2805A Datasheet规格书参数PC Camera Controller

发表于 2024-3-22 13:13:08 | 显示全部楼层 |阅读模式
The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP
1 \& Q8 M: i( r& D& Tsupports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual
- T- [3 J/ h) M: t" e/ o9 iexperiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision % }- Q+ Y9 W1 ~( w- J4 |9 a. @
easier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost ! [5 ~) t1 |- ?5 t1 _" Y
effective choice.
7 y1 `3 i- z) u+ C9 B2 F9 eBesides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or
0 s4 w, ~9 A6 zdigital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit 6 }" n% l2 V" S8 }( Y% o7 w
with mono or stereo.
9 v6 g0 Z4 |: D( `: zThe major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to
: F" c9 Y  C) @; y1 h0 cvideo stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB
' `( K$ r% _( O$ jVideo Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A7 S5 E' y9 Q* i& k
easy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in 5 j) S4 g& I5 ?
camera, camcorder, surveillance, video conference and machine vision (AI).1 B6 q! \2 i( ?
SN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is
* ~, X% P' d1 i3 i( qup to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate 9 s9 X  E- M4 _" k! v$ N
controller provides various compression ratios to meet bandwidth requirement. This system is controlled by the : L6 Y+ S8 m' K" P3 a0 b2 t
embedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM, 3 m. ]- ?5 ?0 F
internal RAM and external serial-flash which can store the customized codes and parameters.( O" j3 R: i) `( K
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM ) Q: s  c- A& Z8 n0 H3 @' W
and PCB area. The SN9C2805A is the best choice for the compact modern electronic product design.
) N  ?4 H, Q/ T4 P) M) @3 U SN9C2805A_0.02.pdf (1.02 MB, 下载次数: 36) . f! W& f; N! D# `$ e- x

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