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How to Use This Course
Protocol Metrics Reference
Protocols Glossary
Reading Path
Protocol Fundamentals25
AMBA Family (APB / AHB / AXI)17
Coherence Fabrics (ACE / CHI)17
Memory Interfaces (DDR / LPDDR / HBM)17
PCIe & CXL17
Embedded Peripherals (I2C / SPI / UART)17
High-Speed I/O (USB / Ethernet / MIPI)17
Protocol Verification & Compliance21
Protocols Interview Prep5
Interface Protocols Cheatsheet

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←Bus Protocols

Topics
Bus Protocols
Protocols Interview Prep

Interface ProtocolsAll levels

Protocols Interview Prep

Whiteboard frameworks and protocol debug scenarios.

5topics
5lessons

Topics in this section

Protocols Whiteboard Framework1 lesson
Scenario: AXI Ordering Trap1 lesson
Scenario: DDR Bandwidth Collapse1 lesson
Scenario: PCIe Link Degrade1 lesson
Protocols Interview Q&A Bank1 lesson

Whiteboard answer shape

Name the protocol layer.
Name the transaction identity.
State the ordering or flow-control rule.
Ask for waveform + transaction log + spec clause.
Propose the smallest experiment.
State the regression suite.

Scenarios

Scenario: AXI Ordering Trap
Scenario: DDR Bandwidth Collapse
Scenario: PCIe Link Degrade

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See also

How to Use This Course
Protocol Metrics Reference
Protocols Glossary