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This paper presents a scalable asynchronous distributed control network. The control circuit allows for true asynchronous operation of all digital resources and as a result of its scalable distributed topology allows unlimited resource sharing. We start with the description of a data flow graph, and using traditional scheduling algorithms, generate an asynchronous distributed control network and the asynchronous data path. The distributed controllers are implemented such that they can be created by connecting a small number of pre-designed sub-controllers which are presented in this paper. Prototype IP-blocks of these sub-controller circuits have been designed in a 90nm ASIC design process. To prove the effectiveness of our method, we present some key performance parameters: area and power under timing constraints. |
