SSI Pinout Considerations - 2023.2 English

UltraFast Design Methodology Guide for FPGAs and SoCs (UG949)

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2023.2 English

When planning pinouts for components that are located in a particular SLR, place the pins into the same SLR. For example, when using the device DNA information as a part of an external interface, place the pins for that interface in the master SLR in which the DNA_PORT exists. Additional considerations include the following:

  • Group all pins of a particular interface into the same SLR.
  • For signals driving components in multiple SLRs, place those signals in the middle SLR.
  • Balance clock-capable I/O (CCIO) or clock management tile (CMT) components across SLRs.
  • Reduce SLR crossings.