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C51, C251, C166 Development Tools

Error E172

Summary
*** Error E172


AGDI: Memory read failed (0x%08x).
Description

A target memory read which is part of a CMSIS Pack Debug Description failed.

Cause

There is a problem in the debug description or a target connectivity issue.

Resolution

The debug description and the target connection of the particular error case needs a review. Please contact Keil support or the debug driver DLL vendor.

In case you have enabled the debug description, try to:

  • Submit the screen shot of Options for Target - Debug - Settings - Pack to support.
  • Disable the use of CMSIS Pack Debug Description in Options for Target - Debug - Settings - Pack.
  • Configure the target manually for debugging.

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