Microsemi's New Libero SoC v11.6 Software Enhances Ease of Use for its Award-Winning SmartFusion2 SoC FPGAs and IGLOO2 FPGAs 29 04:46:22 Microsemi's New Libero SoC v11.6 Software Enhances Ease of Use for... -- ALISO VIEJO, Calif., Sept. 29, 2015 /PRNewswire/ -- Microsemi Corporation. Microsemi Corporation.