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KEIL C error message

Hello,

My MCU is 89S51/89C51,

System shown below message, when I press debug
Error: *** Device is not supported by Toolchain ! ***
Debugger aborted !

System shown below message, when I press rebulid
Error: *** Project 'TEST_2', Target 'Target 1', Device 'Atmel::AT89C51' is not supported by Toolchain ! ***.

please kindly teach me, how does solve this problem?

Sincerely,

Robert

Parents
  • Again, C51 and ARM are entirely different - why did you download MDK-ARM if you're using an 8051??

    And, again, do the chips you're using actually have any debug capabilities at all?

    Obviously, you won't be able to use the debugger if the chips themselves don't support it!

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  • Again, C51 and ARM are entirely different - why did you download MDK-ARM if you're using an 8051??

    And, again, do the chips you're using actually have any debug capabilities at all?

    Obviously, you won't be able to use the debugger if the chips themselves don't support it!

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