MC68HC705C9ACFB datasheet by Freescale Semiconductor

MC68HC705C9ACFB Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that can be used with this microcontroller?
  The maximum clock frequency for the MC68HC705C9ACFB 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 amount of current that can be sourced or sunk by the I/O pins?
  The maximum amount of current that can be sourced or sunk by the I/O pins of the MC68HC705C9ACFB 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 MC68HC705C9ACFB has a built-in watchdog timer (WDT) that can be enabled and configured using the watchdog timer control register (WDTCR). Refer to the datasheet and application notes for specific implementation details and recommended usage.
• What are the power consumption characteristics of this microcontroller?
  The power consumption characteristics of the MC68HC705C9ACFB vary depending on the operating mode, clock frequency, and other factors. Refer to the datasheet and application notes for specific power consumption values and guidelines for minimizing power consumption in your application.