Arnold: An eFPGA-Augmented RISC-V SoC for Flexible and Low-Power IoT End Nodes - Schiavone, Pasquale Davide; Rossi, Davide; Di Mauro, Alfio; Gurkaynak, Frank; Saxe, Timothy; Wang, Mao; Yap, Ket Chong; Benini, Luca (2021)