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Because of the redundancy factors of FPGAs, there is a performance gap between FPGAs and ASICs. In this paper, we propose a small-memory logic cell, COGRE, to minimize the FPGA area. Our approach is to investigate the appearance ratio of the logic functions in a circuit implementation. Moreover, we group the logic functions on the basis of the(More)
Current commercial SRAM-based FPGAs, such as Virtex-6 and Stratix-V, can perform dynamic partial reconfiguration (DPR). Partial reconfiguration (PR) can change a part of the device without reconfiguring the whole chip. Thus, we can switch the part of system with continuing the operation. However, the authorized design flow by Xilinx creates different PR bit(More)
SRAM-based field programmable gate arrays (FPGAs) are vulnerable to a single event upset (SEU), which is induced by radiation effect. This paper presents a technique for ensuring reliable softcore processor implementation on SRAM-based FPGAs. Although an FPGA is susceptible to SEUs, these faults can be corrected as a result of its reconfigurability. We(More)
OBJECTIVE To overcome very few facilities available for polysomnography, a portable device of polygraphy was introduced into home monitoring for the assessment of obstructive sleep apnea syndrome (OSAS) in children. METHODS Forty-eight children (aged 2-11) presenting with snoring and sleep apnea were subjected to home monitoring. Sleeptester™ (Fukuda(More)
As the size of integrated circuits has reached the nanoscale, embedded memories are more sensitive to single-event upsets (SEUs) or double-event upsets (DEUs), due to their low threshold voltage. In particular, reconfigurable systems, containing a large number of configuration memories to implement customer circuits, are more likely to suffer from soft(More)