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AN677 Datasheet(PDF) 6 Page - STMicroelectronics |
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AN677 Datasheet(HTML) 6 Page - STMicroelectronics |
6 / 14 page 2.3 Simulation and validation When the analysis and code generation are successfully concluded, the simulation can be launched (Simulate menu). This allows the application to be simulated and for the signals to be monitored directly on the graphical description, without having to build hardware for debugging. The use of the numeric adjuster on the inputs, and numeric probes makes the validation of the application very convivial. By activating the input adjuster from 0 to 255 (the 8-bit A/D conversion result) any subtraction situation can be checked with its impact on the output. Figure 3 represents such a case where an input value of 110 is compared to the reference value of 127, resulting in a difference of -17 which produces the oscillation at the relevant output pin. Figure 3: Simulation Results In The St6-Realizer Environment It is possible to get information through the Run menu about the maximum time taken by the MCU to perform all the operations described in the application. This fixes the minimum time required between an input change and its impact on outputs, and thus the frequency response of the application. In the present case the maximum time is 630µs for a 8Mhz oscillator. 6/14 |
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