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Description

The TMC2250A is a flexible high-performance nine-multiplier array VLSI circuit which can execute a cascadeable 9-tap FIR filter, a cascadeable 4 x 2 or 3 x 3-pixel image convolution, or a 3 x 3 color space conversion. All configurations offer throughput at up to the maximum guaranteed 50 MHz clock rate with 12-bit data and 10-bit coefficients. All inputs and outputs are registered on the rising edges of the clock.

Features

? Four user-selectable filtering and transformation functions:

– Triple dot product (3 x 3) matrix multiply

– Cascadeable 9-tap systolic FIR filter

– Cascadeable 3 x 3-pixel image convolver

– Cascadeable 4 x 2-pixel image convolver

? 50 MHz (20ns) pipelined throughput

? 12-bit input and output data, 10-bit coefficients

? 6-bit cascade input and output ports in all filter modes

? Onboard coefficient storage, with three-cycle updating of all nine coefficients

Applications

? Image filtering and manipulation

? Video effects generation

? Video standards conversion and encoding/decoding

? Three-dimensional image manipulation

? Medical image processing

? Edge detection for object recognition

? FIR filtering for communications systems