MC9S08FL16CLC datasheet by Freescale Semiconductor

MC9S08FL16CLC Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that can be used with the internal oscillator?
  The maximum clock frequency that can be used with the internal oscillator is 16 MHz. However, it's recommended to use a clock frequency of 8 MHz or less to ensure reliable operation.
• How do I configure the watchdog timer to reset the microcontroller?
  To configure the watchdog timer to reset the microcontroller, set the WDT_C1[WDT] bit to 1, and then write a value to the WDT_C2[WDTH] bits to set the timeout period. Finally, enable the watchdog timer by setting the WDT_C1[WDTEN] bit to 1.
• Can I use the analog-to-digital converter (ADC) to convert analog signals from external sources?
  Yes, the ADC can be used to convert analog signals from external sources. However, the ADC input pins must be configured as analog inputs, and the ADC must be enabled by setting the ADCSC2[ADACT] bit to 1.
• How do I implement a delay function using the timer module?
  To implement a delay function using the timer module, configure the timer to operate in overflow mode, and then load the timer counter with a value that corresponds to the desired delay time. Use the timer overflow flag to trigger an interrupt or perform a specific action when the delay time has expired.
• What is the purpose of the COP (Computer Operating Properly) module?
  The COP module is a watchdog timer that monitors the microcontroller's operation and resets it if it fails to execute a specific sequence of instructions within a predetermined time period. This helps to prevent the microcontroller from entering an infinite loop or becoming stuck in an unexpected state.