9.2.6 Usage

  1. Build the program and download it into the evaluation board.

  2. On the computer, open and configure a terminal application (e.g., HyperTerminal on Microsoft® Windows®) with these settings:
    • 115200 baud

    • 8 bits of data

    • No parity

    • 1 stop bit

    • No flow control

  3. Start the application.

  4. In the terminal window, the following text should appear:
    *     -- RSTC Reset Controller Example --
    *     -- xxxxxx-xx
    *     -- Compiled: xxx xx xxxx xx:xx:xx --
    *
    *     Reset info : General Reset, NRST=1, User Reset=0
    *
    *     Menu:
    *       0 - Reset Status information.
    *       1 - User Reset enable.
    *       2 - User Reset disable.
    *       3 - User Reset interrupt enable.
    *       4 - User Reset interrupt disable.
    *       5 - Software Reset.
    *       6 - Watchdog Reset.
    *       7 - NRST assert. 
    
  5. Press one of the keys listed in the menu to perform the corresponding action.
    • Press '1': The following message is displayed:
      User Reset enabled - Press evaluation kit RESET button to test. 
      If the evaluation kit's reset button is pressed the last reset source will be displayed and the menu shown again.
    • Press '2': The following message is displayed:
      User Reset enabled - Press evaluation kit RESET button to test. 
      If the evaluation kit's reset button is pressed it will have no effect on the system.
    • Press '3': The following message is displayed:
      User Reset interrupt enabled.. 
      If the evaluation kit's reset button is pressed the following message will be displayed.
      User Reset IRQ triggered. Press any console key for the menu 
    • Press '4': The following message is displayed:
      User Reset interrupt disabled. 
      If the evaluation kit's reset button is pressed it will have no effect on the system.
    • Press '5': The following message is displayed:
      Software Reset activated. 
      The evaluation kit will perform a software reset, the last reset source will be displayed and the menu shown again.
    • Press '6': The following message is displayed:
      Watchdog Reset will trigger in 3 seconds. 
      The evaluation kit will perform a watchdog reset, the last reset source will be displayed and the menu shown again.
    • Press '7': The following message is displayed:
      NRST asserted. 
      The evaluation kit will assert the NRST signal for 60µs.
      Note: The "NRST assert" menu option requires an oscilloscope connected to the evaluation kit's NRST signal. To avoid a hardware conflict during the test do not use the evaluation kit's manual RESET button.