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C51, C251, C166 Development Tools

Error E057

Summary
*** Error E057


Illegal Address (%s)
Description

Generated when the attempt to store values to a certain address fails (memory unmapped or memory write failed).

Cause

Most often, this error occurs when the target debugger is started and loading the object code fails.

Resolution

Correct the project settings. “Download to Flash” option should be disabled and a proper flash algorithms needs to be selected. This prevents writing to flash while the debugger starts. Flash needs to be programmed through “Flash download” before the debugger session is started.

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