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Asynchronous controllers based on Asynchronous Finite State Machines (AFSM) are widely used in the control unit design of asynchronous systems. These systems can be implemented in Field Programmable Gate Arrays (FPGAs), which are a low cost design alternative. Different styles have been proposed to implement AFSMs, but all of them have limitations when implemented in FPGAs. Therefore, this paper proposes...
Taking advantage of synchronous and asynchronous paradigms, a new style of design, called Globally Synchronous Locally Asynchronous (GSLA), has achieved very interesting results. In this paper, we propose a synchronous wrapper that allows the communication of “synchronous to asynchronous to synchronous” modules. Internally, the proposed interface comprises an asynchronous module. The GSLA design style...
Design of contemporary digital circuits has great need of power reduction. The reasons are owing to portable applications and CMOS Deep-Sub-Micron technology. Finite state machines (FSM) play an important role in these circuits. The partitioning of an FSM into several sub-FSMs is a technique widely used in the reduction of energy consumption. An interesting style for activating and deactivating sub-FSMs...
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