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Journal Article
Design of a Clockless MSP430 Core using Mixed Asynchronous Design Flow
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- Authors
- Ziho Shin, Myeong-Hoon Oh, Jeong-Gun Lee, Hag Young Kim, Young Woo Kim
- Issue Date
- 2017-03
- Citation
- IEICE Electronics Express, v.14, no.8, pp.1-12
- ISSN
- 1349-2543
- Publisher
- 일본, 전자정보통신학회 (IEICE)
- Language
- English
- Type
- Journal Article
- Abstract
- There are various limitations on the supporting tools and design methodologies for the implementation of an asynchronous delay-insensitive model. In this paper, we propose a new design flow by exploiting a mixed model, which combines a bounded delay model and a delay-insensitive model. To develop the design flow, we use an asynchronous finite-state machine for the bounded delay model and the null convention logic for the delay-insensitive model. Further, we designed an MSP430 core to verify the proposed design flow and the results of simulation show that it exhibits a performance improvement of 30.34% over its synchronous counterpart.
- KSP Keywords
- Bounded delay, Delay model, Delay-insensitive, Design flow, Mixed model, Supporting tools, asynchronous design, design methodology, finite state machine, null convention logic, performance improvement