CPC G06F 1/3206 (2013.01) [H02M 3/155 (2013.01)] | 21 Claims |
1. An embedded system comprising:
at least one power domain comprising at least one of, analogue and digital circuitry;
at least one domain storage unit for decoupling the power domain from a main storage unit and for providing energy to the power domain;
the main storage unit storing energy for provision to the at least one domain storage unit;
power switches for controlling the flow of energy between storage units of the circuit;
a power management unit operable to control the power switches to transfer energy from the at least one domain storage unit back to the main storage unit or to an additional domain storage unit of the system; and
an energy sensor for indicating whether the energy stored in the domain storage unit is at least one of, (1) above a threshold level and (2) providing a measure of the level of energy stored in the domain storage unit.
|