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An adaptive inverter-based dead-time controller for synchronous DC-DC converter is proposed. With this controller, the switching time is precisely controlled and thus simultaneously eliminates the power losses caused by body-diode conduction, power-stage shoot-through current and inductor reverse current. A pair of inverters are used to replace the high speed comparators in this controller for even...
One design goal of future processors is to maximize the performance per watt. However, the performance of general purpose processors can be hardly improved by barely increasing clock frequency. This paper presents an application specific reconfigurable processor architecture which is fine tuned for high performance computing. It benefits from the application specific hardware customized to significantly...
In most real time multi-task systems, scheduling is handled by the operating systems. The overhead of task management is significant in such systems. And also, strict isolation of the real time tasks can hardly be provided. A hardware scheduler is proposed to address the above problems. Different from previous work, the proposed scheduler was embedded into the processor. A monitor-and-tuner unit was...
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