The EMSA5-FS is a RISC-V-based functional safety processor core designed with a focus on high reliability and integration ease for any ASIC or FPGA deployment. It boasts a 5-stage pipeline architecture, supporting a wide range of RISC-V ISA configurations, including optional floating-point and vector extensions. Offering a comprehensive functional safety package, this core is tailored for automotive and industrial systems needing compliance with stringent safety standards, such as ISO 26262. Its dual or triple modular redundancy, alongside error-correcting code support, ensures high fault tolerance. The EMSA5-FS features flexible clock frequency scaling and dynamic power management, enhancing both its energy efficiency and performance.