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PolarFire Family Memory Controller User Guide
PolarFire Family Memory Controller User Guide
  1. Home
  2. 7 PolarFire SoC Board Design Recommendations
  3. 7.4 LPDDR4
  4. 7.4.2 LPDDR4 Routing Topology
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  • Introduction
  • Acronyms
  • 1 MSS DDR Memory Controller
  • 2 Fabric DDR Subsystem
  • 3 Initialization Sequence
  • 4 Training Logic
  • 5 QDR Memory Controller
  • 6 PolarFire Board Design Recommendations
  • 7 PolarFire SoC Board Design Recommendations
    • 7.1 DDR3
    • 7.2 LPDDR3
    • 7.3 DDR4
    • 7.4 LPDDR4
      • 7.4.1 LPDDR4 Layout Guidelines
      • 7.4.2 LPDDR4 Routing Topology
        • 7.4.2.1 Single-channel LPDDR4 Interface Routing
        • 7.4.2.2 Dual-Channel LPDDR4 Interface Routing
        • 7.4.2.3 Routing Recommendation
        • 7.4.2.4 Skew Machine Constraints
      • 7.4.3 Designing LPDDR4 Interface with PolarFire SoC FPGA
  • 8 Debugging Techniques
  • A Appendix: Supported Memory Configurations
  • B Appendix: Timing Parameters
  • C Appendix: Fabric DDR Placement Locations
  • Revision History
  • Microchip FPGA Support
  • Microchip Information

7.4.2 LPDDR4 Routing Topology

(Ask a Question)

LPDDR4 routing can be performed in following channels depending upon the memory size used in the design.

  • Single-channel LPDDR4 Interface Routing
  • Dual-Channel LPDDR4 Interface Routing

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.

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