Cache Style Flash Attack
Useful References
D Osvik et al. - Cache Attacks and Countermeasures: the Case of AES
D. Bernsein - Cache-timing attacks on AES
Onur Acıicmez et al. - Cache Based Remote Timing Attack on the AES
The following paper contains a description of this effect, although the presence is described as occurring due to a 'Flash Accelerator' block. J.F. Gallais et al. - Improved Trace-Driven Cache-Collision Attacks against Embedded AES Implementations