Overview: Today's portable electronics
are incorporating more functionality, which translates into increased power
demands. However, battery technology can not keep up with increases in energy
density requirements needed to maintain the same cost/form factor of the
battery. New approaches that increase system effeciency must be exploited
to maintain battery life while supporting increased functionality.
National Semiconductor's PowerWise technology takes a system approach
to energy efficiency. Partnering with ARM, PowerWise incorporates synthesizable
code that enables seamless communication between the processor and power
supply. With this new level of interaction, the processor and the power
supply work together to minimize the energy used by the processor to complete
tasks.
Length: 60 minutes
Published Date: September 2003
Topics covered in this online seminar include:
- Energy saving concepts in processor cores
- Open and closed loop Adaptive Voltage Scaling
- PowerWise Interface between processor and power supply
Presenter: Mark Hartman is a
system applications engineer with National Semiconductor's Advanced Technology
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