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Compact High-Speed 32-bit CPU Core with Level-2 Cache
The 32-bit A27L2 is a 5-stage processor that supports the latest RISC-V specification, including “G” (“IMAFD”) standard instructions, “C” 16-bit compression instructions, “P” Packed-SIMD/DSP instructions, “N” for user-level interrupts, and Memory Management Unit (MMU) for Linux support.
A27L2 features branch prediction, level-1 instruction and data caches, level-2 unified cache, local memories, ECC error protection, and Andes Custom Extension™ to add custom instructions to accelerate performance and reduce power consumption. In addition, it incorporates MemBoost to greatly enhance memory bandwidth and reduce memory latencies for applications with intensive memory accesses. A27L2 also includes vectored and preemptive interrupt controller to serve diversified system events, AXI 128-bit bus, rich power management, and JTAG debug interface and trace interface for software development support.
A27L2 features branch prediction, level-1 instruction and data caches, level-2 unified cache, local memories, ECC error protection, and Andes Custom Extension™ to add custom instructions to accelerate performance and reduce power consumption. In addition, it incorporates MemBoost to greatly enhance memory bandwidth and reduce memory latencies for applications with intensive memory accesses. A27L2 also includes vectored and preemptive interrupt controller to serve diversified system events, AXI 128-bit bus, rich power management, and JTAG debug interface and trace interface for software development support.
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Block Diagram of the Compact High-Speed 32-bit CPU Core with Level-2 Cache
