Multiclock Domain and Dynamic Frequency Scaling Applied to the Control Unit of a Battery Powered for 1 cm<SUP>3</SUP> Microrobot

Raimon Casanova, Angel Dieguez, Anna Arbat, Josep Samitier

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Resum

A low power controller unit for 1 cm(3) autonomous microbot is presented. It receives and decodes instructions from a host computer via IR and transforms them into periodic control signals. The controller must be capable to process IR instructions at 40 MHzat the same time that must generate slow control signals from 0 to 3 kHz. In order to improve the battery life, a multiclock architecture has been used to allow applying dynamic frequency scaling (DFS). Each module inside the controller operates at its optimum frequency achieving power reductions of at least 7% if no DFS is applied.
Idioma originalAnglès
Pàgines (de-a)291-299
Nombre de pàgines9
RevistaJournal of Low Power Electronics
Volum2
Número2
DOIs
Estat de la publicacióPublicada - d’ag. 2006

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