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COREAXI4INTERCONNECT


CoreAXI4Interconnect is a scalable and configurable interconnect IP that enables efficient communication between multiple AXI-based initiators and targets in FPGA systems. Based on the AMBA AXI4 protocol, it supports high-performance, high-frequency designs requiring flexible and low-latency data movement across complex system architectures. The core provides a centralized AXI4 crossbar that routes transactions between initiators and targets while supporting up to 16 initiators and 32 targets. It integrates advanced infrastructure components such as protocol converters, data width converters, register slices, and clock domain crossing logic to ensure seamless interoperability between different bus standards and configurations. CoreAXI4Interconnect supports AXI3, AXI4, AXI4-Lite, and AHB-Lite interfaces, automatically handling protocol conversion and burst transaction adaptation. It also enables advanced features such as multiple outstanding transactions, read interleaving, and configurable arbitration mechanisms to maximize throughput and efficiency. With flexible crossbar configurations (SASD or SAMD modes), configurable data widths, and optimized buffering options, the IP allows designers to balance performance and resource utilization. It is widely used as a foundational building block in FPGA-based SoCs, enabling scalable interconnect architectures for both control and data paths. 


Features and Benefits


  • .Multi-Protocol Support 
    • Supports AXI4, AXI3, AXI4-Lite, and AHB-Lite
    • Automatic protocol conversion across interfaces
  • Scalable Interconnect Architecture
    • Supports up to 16 initiators and 32 targets
    • Flexible N-to-1, 1-to-M, and N-to-M configurations
  • AXI4 Crossbar Core
    • Centralized routing of transactions
    • Supports SASD (area optimized) and SAMD (performance optimized) modes
  • High Performance Data Handling
    • Multiple outstanding transactions
    • Read interleaving and out-of-order completion
    • Burst transaction support 
  • Flexible Interface Configuration
    • Data widths: 32–512 bits
    • Address widths up to 64 bits
    • User and ID field support 
  • Integrated Infrastructure Blocks
    • Data Width Converter (DWC)
    • Protocol Converter (AXI/AHB bridging)
    • Register Slice for timing optimization
    • Clock Domain Crossing (CDC) support 

Licensing Options


Free with any Libero License

Documentation


Title
CoreAXI4Interconnect User Guide Download



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