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Course contents

  • How to Use This Course
  • Reading Path
  • CDC/RDC Glossary
  • CDC/RDC Metrics Reference
  • CDC/RDC Interview Prep
  • CDC/RDC Signoff Cheatsheet
  • Clock Domains and Failure Modes8
  • Metastability and Synchronizers16
  • CDC Protocols and Handshakes16
  • Reconvergence and Gray Coding16
  • Reset Domain Crossing16
  • Architecture and Design Rules16
  • CDC Signoff Methodology24
  • RDC Signoff16
    • RDC Methodology
    • Reset-aware Simulation
    • Chip-level RDC Closure
      • Hierarchical RDC
      • IP Integration Resets
      • Power and Warm-reset Interaction
      • Chip-level RDC Reviews
    • RDC Signoff Dashboard
  • Debug and Case Studies11
  • CDC and RDC Interview Prep30
  • Capstone: Sign Off a Multi-clock Peripheral4
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‹RDC Signoff
  1. Topics
  2. CDC & RDC
  3. RDC Signoff
  4. Chip-level RDC Closure

Part 8 · RDC Signoff · All levels

Chip-level RDC Closure

Closing RDC above block level: hierarchy, third-party IP, power and warm resets, and the review.

  • 4topics
  • 4lessons

A chip is not a big block: it is blocks, third-party IP, power modes, and reset sequences that no single block owner sees. Block-level RDC closure is necessary but not sufficient, because the crossings that escape live at the boundaries: between blocks, inside reused IP with undocumented resets, and across power and warm-reset sequences. These four lessons cover that last mile.

Learning path through the chip-level RDC closure topic.
Suggested order. Hierarchy first, then IP, then power modes, then the review that closes them all.

Lesson

After it you can...

Hierarchical RDC

Say what each block must expose at its boundary for integration-level RDC.

IP integration resets

Check the reset requirements of third-party and reused IP.

Power and warm-reset interaction

Describe how power domains, isolation, and warm resets interact with reset domains.

Chip-level reviews

Run the review meeting: inputs, questions, and outputs.

Check yourself Every block reports clean RDC analysis. Is the chip closed?

Not yet. Inter-block crossings, IP boundary assumptions, power-mode sequences, and the top-level reset tree still need their own checks and a chip-level review.

Related topics

  • Up: RDC Signoff

  • RTL: Reset domain crossing

  • RTL: Reset strategies

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See also

  • RDC Methodology
  • Reset-aware Simulation
  • RDC Signoff Dashboard