The SiFive U54-MC Standard Core is the world’s first RISC-V application processor, capable of supporting full-featured operating systems such as Linux. The U54-MC has 4x 64-bit U5 cores and 1x 64-bit S5 core—providing high performance with maximum efficiency. This core is an ideal choice for low-cost Linux applications such as IoT nodes and gateways, storage, and networking. This target features: - 4x RV64GC U54 Application Cores - 32KB L1 I-cache with ECC - 32KB L1 D-cache with ECC - 8 Region Physical Memory Protection - 48 Local Interrupts per core - Sv39 Virtual Memory support with 38 Physical Address bits - 1x RV64IMAC S51 Monitor Core - 16KB L1 I-Cache with ECC - 8KB DTIM with ECC - 8 Region Physical Memory Protection - 48 Local Interrupts - Fully Coherent TileLink Bus - Integrated 2MB L2 Cache with ECC - Real-time capabilities - CLINT for multi-core timer and software interrupts - PLIC with support for up to 511 interrupts with 7 priority levels - Debug with instruction trace