Application-specicoptimizationofembeddedsystemsbecomesinevitabletosatisfythemarketdemandfordesignerstomeettighterconstraintsoncost,performanceandpower.Ontheotherhand,theexibilityofasystemisalsoimportanttoaccommodatetheshorttime-to-marketrequirementsforem-beddedsystems.Tocompromisethes