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Xetal-II is a single-instruction multiple-data (SIMD) processor with 320 processing elements. It delivers a peak performance of 107 GOPS on 16-bit data while dissipating 600 mW. A 10 Mbit on-chip memory is provided which can store up to four VGA frames, allowing efficient implementation of frame-iterative algorithms. A massively parallel interconnect provides an internal bandwidth of more than 1.3...
Embedded first-in first-out (FIFO) memories are increasingly used in many IC designs. We have created a new full-custom embedded ripple-through FIFO module with asynchronous read and write clocks. The implementation is based on a micropipeline architecture and is at least a factor two smaller than SRAM-based and standard-cell-based counterparts. This paper gives an overview of the most important design...
Embedded first-in first-out (FIFO) memories are increasingly used in many IC designs. We have created a new full-custom embedded FIFO module with asynchronous read and write clocks, which is at least a factor two smaller and also faster than SRAM-based and standard-cell-based counterparts. The detection qualities of the FIFO test for both hard and weak resistive shorts and opens have been analyzed...
Xetal-II is a SIMD processor with 320 processing elements delivering a peak performance of 107 GOPS on 16b data while dissipating 600mW. A 10Mb on-chip memory can store up to 4 VGA frames allowing efficient implementation of frame-iterative algorithms. A massively parallel interconnect provides an internal bandwidth of more than 1.3Tb/s to sustain the peak-performance. The 74mm2 IC is fabricated in...
Single-instruction multiple-data (SIMD) processing provides an efficient way to cope with the growing computational complexity of multi-media applications. One of the design challenges in massively-parallel SIMD architectures is the interface between the sequential input-output streams and the internal parallel compute engine. In this paper, three interface topologies are discussed and compared in...
We present a digital signal processor to be combined with a 30 frames per second VGA-format CMOS or CCD image sensor or any other source of digital video data. The processor is fully programmable and therefore able to run a variety of algorithms ranging from image communication to machine vision. The IC comprises a parallel processor array and a special purpose controller to achieve high computational...
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