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A new DSC system that based on the STM32F4 MCU and CPLD is designed in this paper, the STM32F4 mainly takes on the data operation, and the CPLD generate the PWM signals based on the data calculated by the MCU part. the duty cycle of the PWM signal is computed baed on the input Shaft-angle, after calculation and the PWM signal's production, the Full-bridge will be controlled to creat the modulation...
The bit permutation unit consists of bit permutation network and configuration information. In the article, a configuration information parallel extraction algorithm with time complexity O (log2N) based on Waksman network is presented to achieve not only bit permutation system on reconfigurable cipher microprocessors but also an arbitrary N × N bit permutation. This algorithm can support bit permutation...
Protocol transducer which realizes translations between multiple protocols is one of the key components in IP-based design methodology. Although there have been researches on automatic synthesis of such protocol transducers, they cannot efficiently deal with out-of-order type communications frequently found in the state-of-the-art protocols. In this paper we present an automatic synthesis method which...
Hardware/software partitioning is a key problem in hardware/software co-design and global optimums detection of the objective function is of vital importance in hardware/software partitioning. Though stochastic optimization strategies simulating evolution process are proved to be valuable tools, the balance between exploitation and exploration of which is difficult to be maintained. In this paper,...
Hardware/software partitioning is a key problem in hardware/software co-design. This paper presents a new hardware/software partitioning methodology based on improved particle swarm optimization algorithm. The model of the embedded system was constructed by directed acyclic graph to obtain the objective function. Then improvement strategies are introduced in order to overcome the problems of low precision...
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