MN195902

For Communications Equipment MN195902 Digital Signal Processor for Image CODEC Overview The MN195902 is a high-speed, programmable digital signal processor based on a vector pipeline architecture for image processing applications. It incorporates many features that make it ideal for highly efficient coding and decoding of still and moving pictures in applications involving the transmission, storage, and retrieval of images. Features Flexible support for complex processing by simply rewriting the contents of its internal program memory Built-in dedicated hardware effective for image CODEC, including Discrete cosine transform (DCT) converter Two-dimensional address generator Architecture that links internal memory, a generalpurpose arithmetic unit, dedicated arithmetic unit, and other components with a pipeline to better support vector calculations, multiply-and-accumulate, and other key image processing operations ITU-T H.261 coding for the QCIF size (176 × 144) with a decoding rate of 15 frames per second or higher Applications Image-based communications: Moving picture videophones, video conferencing systems, cable television systems, image LANs, remote monitoring systems, etc. Image storage and retrieval: Electronic still cameras, optical disc files, image databases, etc. Multimedia computers m o .c U 4 t e e h S a t a .D w m o w .c U w 4 et e h S a at .D w w w MN195902 Pin Assignment For Communications Equipment D2[9] D2[8] VDD3 VSS3 D2[7] D2[6] D2[5] D2[4] D2...