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1/13 inch QVGA CMOS Image Sensor BF3901UCS Datasheet * D0 u( n) z+ s4 _
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The BF3901UCS is a highly integrated QVGA camera chip which includes CMOS image sensor (CIS): X& `) y! @, o# N, V. b; o
and image signal processing function (ISP). It is fabricated with the world’s most advanced CMOS" R0 v7 I2 f) S! `. o5 A. E
image sensor process to realize ultra-low dark noise, high sensitivity and very low power consumption
7 D/ w9 v9 W& R( w C% }! \imaging system. The sensor consists of a 248 x 328 effective pixel array which has an optical format of/ S" x4 {% F' u
1/13 inch. It has integrated noise canceling CDS (Correlated Double Sampling) circuits, analog global
! E! D! V. |9 b; B+ \# |gain and separated R/G/B gain controller, automatic black level compensation and on-chip 10-bit ADC.
* w, L' @1 j$ \' bThe on-chip ISP provides a very smooth AE (Auto Exposure) and accurate AWB (Auto White Balance)3 h" l, P0 r% ^ p
control. It provides various data formats, such as Bayer RGB, RGB444, RGB555, RGB565, YCbCr 4:2:2.
6 N3 b9 Y& Z7 J: o, Z0 n Z \. SIt has a commonly used two-wire serial interface for the host to control the operation of the whole' X9 ?" Y; a Z. Q$ H
sensor. 2 N. j6 J, C0 E; _+ g% g# E) @
The product is capable of operating at up to 30 frames per second at 24MHZ clock in QVGA mode, with& l; X* P' n5 f
complete user control over image quality and data format. All required image processing functions,' x- _& J) M" O3 J5 h
including exposure control, and so on, are also programmable through the two-wire serial bus.
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