brief summary chrontel 209-0000-006 rev 1.1 , 5/6/2000 1 ch5002a 1/3? cmos color image sensor with dsp features ? 352 x 288 active pixel array with color filters ? ? 1/3 inch lens format ? variable 2-dimensional edge enhancement! ? automatic white balance control! ? automatic bad pixel correction! ? ? improved 3-line color interpolation! ? programmable cif 352x288, ccir601 ntsc and pal ? digital output ccir601 4:2:2 (8-bit or 16-bit) ? ycrcb or yuv output ? improved automatic shutter, gain and black level control ? <4 lux sensitivity with f1.5 lens ? programmable serial bus control : - frame rate: 30fps to <1fps in six steps - gamma correction - shutter speed : 1.2sec - 16usec - analog gain - 16 backlight compensation zones - black clamp level - white balance adjustment - power down modes ? stand-alone operation with automatic features description the ch5002 is a next generation active pixel cmos color video camera with digital video output. using analog and digital noise correction techniques, the ch5002 provides a superb quality picture in a low cost device. the ch5002 builds on the product base of the chrontel ch5001, with enhancements such as improved autoshutter control and fully automatic white balance. the ch5002 also incorporates proprietary new programmable digital signal processing on chip to provide capabilities not available elsewhere in an integrated solution. these include programmable digital edge detection and enhancement in the horizontal and vertical directions, and real-time bad pixel correction! this means a crisp picture under all conditions of light and contrast. the ch5002 also provides 16 programmable zones for digital backlight compensation, as well as programmable frame rate, shutter duration, gamma, analog gain and black clamp level. as in the ch5001, at power-up many of the programmable features are selectable without iic control by using the shared output / pud pins. the ch5002 provides a new highly integrated solution for the next generation video conferencing, videophone, biometrics and surveillance products. ? patents pending figure 1: functional block diagram timing gen rgb interpolate interpolate & decimate m e m o r y gain, shutter, black clamp control photocell array g r g b 352 columns 288 rows r o w d r i v e r column timing i c bus 2 output format y c a/d timing & mode control white balance edge detect offset & gamma edge enh chroma noise red r o w t i m i n g rgb to yuv
chrontel 2210 o?toole avenue san jose, ca 95131-1326 tel: (408) 383-9328 fax: (408) 383-9338 www.chrontel.com e-mail: sales@chrontel.com 1997 chrontel, inc. all rights reserved. chrontel products are not authorized for and should not be used within life support systems or nuclear facility applications wit hout the specific written consent of chrontel. life support systems are those intended to support or sustain life and whose failure to p erform when used as directed can reasonably expect to result in personal injury or death. chrontel reserves the right to make changes at any time without notice to improve and supply the best possible product and is not responsible and does not assume any liability for misapplication or use outside the limits specified in this document. we provi de no warranty for the use of our products and assume no liability for errors contained in this document. printed in the u.s.a. chrontel 2 209-0000-006 rev 1.1, 5/6/2000 packaging specifications ordering information part number package type number of pins voltage supply CH5002A-L lcc 52 5v ch5002a-q qfp 52 5v
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