A De-synchronous Circuit Design Flow using Hybrid Cell Library

Gong, Rui; Wang, Lei; Yong, Li; Dai, Kui; Wang, Zhiying

doi:10.1109/icsict.2006.306489

Cited by 2 publications

(1 citation statement)

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“…This pipeline circuit is similar to Sutherland's Micropipeline [11], except that it uses latches and relies on Based on our asynchronous design flow in [5], it is very simple to design an asynchronous function unit quickly. We employe ripple-carry adder, which performance is limited but this implementation can satisfy the requirement and save layout area.…”

Section: Asynchronous Addermentioning

confidence: 99%

A Low-Power Application Specific Instruction Set Processor Using Asynchronous Function Units

Wang

Dai

2007

7th IEEE International Conference on Computer and Information Technology (CIT 2007)

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Low-power design became crucial with widespread use of the embedded systems. The embedded processors need to be efficient in order to achieve real-time requirements with low power consumption for specific algorithms. As the superset of traditional very long instruction word (VLIW) architecture, the main advantages of Transport Triggered Architecture (TTA) are its simplicity and flexibility. In TTA processors, the special function units can be utilized to increase performance or reduce power dissipation. Asynchronous circuits have characteristic of low power consumption and it is possible to exploit this characteristic to design embedded processors. In this article, we designed a low-power embedded processor using asynchronous function units. The processor core is globally synchronous and locally asynchronous implementation using not only synchronous function units but also asynchronous function units. We also presented an efficient design flow that use asynchronous circuits in TTA framework, which is only a synchronous design environment. The test result shows that this processor has lower power dissipation than its pure synchronous version that only uses synchronous function units.

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Section: Asynchronous Addermentioning

confidence: 99%