Hey, I encountered the same problem and I found this.
@ARTICLE{6138843,
author={Branover, A. and Foley, D. and Steinman, M.},
journal={Micro, IEEE},
title={AMD Fusion APU: Llano},
year={2012},
volume={32},
number={2},
pages={28-37},
keywords={low-power electronics;microprocessor chips;performance evaluation;power aware computing;AMD fusion APU;AMD fusion accelerated processor unit;AMD turbo CORE technology;Llano variant;low-power design;performance-watt ratio optimization;power gating;processor performance;system thermal design limits;Acceleration;Decoding;Graphics;Graphics processing unit;Monitoring;Process control;Streaming media;AMD Fusion;APU;energy-aware systems;integrated graphics;low-power design},
doi={10.1109/MM.2012.2},
ISSN={0272-1732},}