The MicroBlaze is a soft microprocessor core designed for Xilinx field-programmable gate arrays (FPGA). As a soft-core processor, MicroBlaze is implemented entirely in the general-purpose memory and logic fabric of Xilinx FPGAs.
MicroBlaze was introduced in 2002.
Overview
In terms of its instruction set architecture, MicroBlaze is similar to the RISC-based DLX architecture described in a popular computer architecture book by Patterson and Hennessy. With few exceptions, the MicroBlaze can issue a new instruction every cycle, maintaining single-cycle throughput under most circumstances.
The MicroBlaze has a versatile interconnect system to support a variety of embedded applications. MicroBlaze's primary I/O bus, the AXI interconnect, is a system-memory mapped transaction bus with master–slave capability. Older versions of the MicroBlaze used the CoreConnect PLB bus. The majority of vendor-supplied and third-party IP interface to AXI directly (or through an AXI interconnect). For access to local-memory (FPGA RAM), MicroBlaze uses a dedicated LMB bus, which provides fast on-chip storage. User-defined coprocessors are...
Per Vognsen
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