MC68HC705C8AFNE datasheet by Freescale Semiconductor

MC68HC705C8AFNE Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that can be used with this microcontroller?
  The maximum clock frequency for the MC68HC705C8AFNE is 2 MHz, as specified in the datasheet. However, it's recommended to consult the application notes and errata documents for any specific clocking requirements or limitations.
• How do I configure the internal oscillator for optimal performance?
  To configure the internal oscillator for optimal performance, refer to the oscillator configuration register (OCR) in the datasheet. Set the OCR to the recommended values for the desired clock frequency, and ensure that the oscillator is properly bypassed with a capacitor.
• What is the maximum current that can be sourced or sunk by the I/O pins?
  The maximum current that can be sourced or sunk by the I/O pins of the MC68HC705C8AFNE is 25 mA per pin, as specified in the datasheet. However, it's recommended to consult the electrical characteristics section for specific current limits and thermal considerations.
• How do I implement a watchdog timer in my application?
  The MC68HC705C8AFNE has a built-in watchdog timer that can be enabled and configured using the watchdog timer control register (WTCSR). Refer to the datasheet for the specific register settings and timing requirements to implement a watchdog timer in your application.
• What are the power-saving modes available on this microcontroller?
  The MC68HC705C8AFNE has several power-saving modes, including Stop, Wait, and Halt modes. These modes can be enabled using the power management control register (PMC). Refer to the datasheet for the specific register settings and power consumption characteristics for each mode.