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Published in:
2011 | OriginalPaper | Chapter
8 Synthesis of Compositional Microprogram Control Unit with Dedicated Area of Inputs
Authors : Alexander Barkalov, Larysa Titarenko, Jacek Bieganowski, Alexander Miroshkin
Published in: Design of Digital Systems and Devices
Publisher: Springer Berlin Heidelberg
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The chapter is devoted to CMCU optimization, based on the modification of the microinstruction format. Proposed modifications are intended to eliminate code transformers from the CMCU and reduce the hardware amount of circuits used in the FSM for the microinstruction addressing, as compared with the CMCU basic structure. The reduction of the hardware amount is achieved at the cost of increasing the number of cycles needed for the execution of the control algorithms, and in some cases also at the cost of increasing control memory size.