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AI agent for hardware engineers

Chip Errata Impact Review Agent

Know which errata affect this product and have a checked workaround for each

Risk managementIT and developmentProduct development
See how it worksGet access
Chip Errata Impact Review Agent: what goes in, what the agent does and what you get

What it does

Chip vendors publish errata that can break a design, but the sheet is long and nobody checks it against the design. When a new errata is published, this agent reads each entry and notes the affected feature, silicon revision and conditions. It searches the firmware and schematic for use of that feature, such as a specific timer mode or a pin function. It rates the impact for this product as none, possible or serious, and shows the code lines or nets involved. For each serious item it proposes the vendor workaround and checks that the code would still work with it. The engineer approves the actions. Edge case: the errata applies only to revision A and the board uses revision C, so the agent marks it as not affected.

How it works

Follow the arrows from top to bottom. The orange dashed arrow is the loop: when a check fails, the agent goes back and tries again.

Start and resultWhat it doesA check on its own workWaits for your OKGoes back and retries
Yes, continueApprovedNo 1 STARTS WHEN New errata sheet published 2 USES A TOOL Read the sheet and list entries with feature,revision and conditions 3 DOES Filter out entries for other silicon revisions 4 USES A TOOL Search firmware and schematic for use of eachfeature 5 DOES Rate impact as none, possible or serious withevidence 6 DOES Draft the vendor workaround for serious items 7 USES A TOOL Check the workaround against the code and test itwhere possible 8 CHECKS THE RESULT Does the workaround fit the code without breakingother features? If not: propose an alternative workaround or a designchange. Back to step 6. 9 YOU APPROVE Engineer approves actions and workaround changes 10 RESULT Impact table and action list
Read the steps as a list
  1. New errata sheet published
  2. Read the sheet and list entries with feature, revision and conditions
  3. Filter out entries for other silicon revisions
  4. Search firmware and schematic for use of each feature
  5. Rate impact as none, possible or serious with evidence
  6. Draft the vendor workaround for serious items
  7. Check the workaround against the code and test it where possible
  8. Does the workaround fit the code without breaking other features?If not: propose an alternative workaround or a design change. Back to step 6.
  9. Engineer approves actions and workaround changesThe agent waits here for your OK.
  10. Impact table and action list

How it decides

It marks an entry as affecting the product when the revision matches and the design uses the feature under the stated conditions.

  • Treat an entry as out of scope if the revision does not match
  • Rate serious when the feature is used under the failing condition
  • Rate possible when the feature is used but the condition is unclear
  • Always list items needing hardware change separately

Make it yours

Every agent is a starting point. You choose these settings for your own situation.

  • Silicon revision used
  • Parts and sheets to watch
  • Impact rating wording
  • Who receives the table
  • How often to check vendor sites

What keeps you in control

It always asks you first

  • Engineer approves workaround code changes
  • Lead approves any hardware change

Hard limits

  • Never mark an entry as not affected without evidence
  • Never change production code without approval

It stops when

  • Done: every serious item has an approved workaround
  • Stop: an item needs a hardware change and is escalated

Set it up

We guide you through the set-up, step by step

Members get the full set-up guide for this agent. No technical skills needed: you copy, paste and upload.

10 minto set it up in your AI
5 AIsChatGPT, Claude, Copilot, Gemini, Grok
  • One set of instructions to paste into your AI, with the clicks for ChatGPT, Claude, Microsoft 365 Copilot, Gemini and Grok
  • The agent then walks you through connecting your own data, one source at a time
  • A downloadable copy with the flow chart, the rules and the full guide
Get access to this agent

An example run

What happensA new errata for an ARM microcontroller listed 14 items. Eleven were for revision A or unused features. Item 7, an ADC reading error when DMA runs with a timer trigger, matched the firmware's battery monitor. The vendor workaround added a 2 microsecond delay, but the test showed it clashed with a 1 microsecond real-time deadline, so the check failed. The agent proposed software triggering instead, and the engineer approved it.

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