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MAEC TOOL NEWS: MAECT-M3T-PD308-011101D

M3T-PD308, M3T-PD30, M3T-PD79, M3T-PD77, and M3T-PD38
Precautions

An incorrect description has been found in User's Manual and Online Help of emulator debuggers M3T-PD308, M3T-PD30, M3T-PD79, M3T-PD77, and M3T-PD38:
  • On measuring execution time of functions
Here is provided the correction to the documents.

  1. Products and Versions Concerned
    For the M16C/80 series: M3T-PD308 V.2.00 Release 1 -- V.3.00 Release 1
    For the M16C/60 and M16C/20 series: M3T-PD30 V.5.00 Release 1 -- V.6.00 Release 1
    For the 7900 and 7970 series: M3T-PD79 V.3.00 Release 1 -- V.4.00 Release 1
    For the 77xx series: M3T-PD77 V.3.00 Release 1 -- V.4.00 Release 1
    For the 740 family: M3T-PD38 V.4.00 Release 1 -- V.5.00 Release 1


  2. Description
    An error has been found in the explanation of mode 2 of measuring execution time of functions. The correction is as follows.
    2.1 Whereabouts
    • User's Manuals:
      "Time Measurement Condition" (Func2)
    • Online Helps:
      "Measure the execution time of the specified function (2)" on the "Set the Measurement Condition" page and "Time Measurement Condition" (Func2) on the "Time Measurement Window" page.

    2.2 Correction
    The explanation should be A instead of B, which are shown below.
    Explanation A (Correct)
    Measures the execution time of a function. The address range from the beginning to the end of the function to be measured is automatically entered in the start event. In this mode, the measurement is discontinued when other functions are called from within the specified function and restarted upon return to it. Therefore, you cannot obtain the whole of execution time of the specified function in this method as long as function calls are made from within it.

    Explanation B (Incorrect)
    Measures the execution time of functions. The start address and the end address of the function are automatically registered for the start event and the end event, respectively. The measurement result does not include the execution time of other functions that have been called from within the specified function.




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