The SN9C2805A is a high resolution webcam controller. Besides improved image quality, this generation of ISP
% j0 R5 u. S* H% D. ~supports wide dynamic range (WDR) and vertical lens distortion correction (VLDC) to bring better visual 1 V8 P, ?+ Q# B
experiences. It not only brings less noise image for human eye but also makes the analysis work in machine-vision
0 E `) b ~2 ~: P; F& k% |( O: }5 w F: Beasier. For modern high resolution and AI applications, SN9C2805A would be a higher performance and cost # _* ]# \+ a: m5 y
effective choice.8 V+ a6 n8 e, }
Besides video ISP, SN9C2805A also supports UAC 1.0 specification which records audio form I2S interface or
) U. Y+ Q' G' a% F9 Rdigital microphone input. Programmable audio sampling frequency from 8KHz to 48KHz and resolution of 8/16 bit
) z. z, N1 D6 }9 O& X( Iwith mono or stereo.
1 i8 q; [$ q0 c9 t, z; G( r+ HThe major functions of SN9C2805A include controlling the CMOS sensor, receiving the image data, converting it to
# x( b. C; @9 ^, W# zvideo stream, and then sending data to the host via USB. It’s compliant with USB 2.0 High-Speed (HS) and USB
" X9 I9 C& M8 n7 U/ [0 J! w! [' ]Video Class (UVC) 1.1/1.5 over ISO or Bulk in transfer. Compliance with the public standards makes SN9C2805A: A5 a. }2 m$ x
easy to be integrated into various fields of applications that need high quality video like high resolution tablet built-in : c, X1 O& t( r! K% U
camera, camcorder, surveillance, video conference and machine vision (AI).
0 R) h6 j& d% ?3 _# ]SN9C2805A supports both parallel and MIPI-CSI2 1/2-lane CMOS sensor interfaces and the performance of ISP is ( a' |; s+ O: r0 L: ^- \! b
up to 2592x1944@30fps or up to 1920x1080@60fps. The high performance Motion-JPEG engine and bit rate
5 ^- E9 _0 ?, ?! ?' r9 S4 fcontroller provides various compression ratios to meet bandwidth requirement. This system is controlled by the
! K- p8 K( Y* M. yembedded micro-controller with the built-in statistics of AE / AWB. The flexible architecture includes the mask ROM,
2 ?5 r! C y4 y, L3 s$ z: cinternal RAM and external serial-flash which can store the customized codes and parameters.# H ?1 Y0 k3 W8 l
There are 3 built-in regulators and no needs of external oscillator, these features make it able to further save BOM
3 g$ [$ x& ?7 g7 Nand 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