Lih-Yih Chiou Swarup Bhunia Kaushik Roy Synthesis of application-specific highly efficient multi-mode cores for embedded systems. 168-188 2005 4 ACM Trans. Embedded Comput. Syst. 1 http://doi.acm.org/10.1145/1053271.1053278 db/journals/tecs/tecs4.html#ChiouBR05