Power Management Verification Experiences in Wireless SoCs

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Provided by: edaa
Topic: Hardware
Format: PDF
The authors look into the validation a power managed ARM Cortex A-8 core used in SoCs targeted for mobile segment. Low power design techniques used on the chip include clock gating, voltage scaling, and power gating. They focus on the verification challenges faced in designing the processor core including RTL modeling of power switches, isolation, and level-shifting cells, simulation of voltage ramps, generation of appropriate control signals to put the device into various power states, and ensuring correct operation of chip in these states as well as during the transitions between these states.
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