MC68HC705C9ACP datasheet by Freescale Semiconductor

MC68HC705C9ACP Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that can be used with this microcontroller?
  The maximum clock frequency for the MC68HC705C9ACP 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 enabled and stabilized before using it.
• What is the maximum amount of 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 MC68HC705C9ACP is typically around 20-25 mA, depending on the specific pin and operating conditions. However, it's recommended to consult the datasheet and application notes for specific current limitations and guidelines.
• How do I implement a watchdog timer in my application?
  The MC68HC705C9ACP has a built-in watchdog timer (WDT) that can be enabled and configured using the WDT control register. Refer to the datasheet and application notes for specific instructions on how to implement a watchdog timer in your application.
• What are the power consumption characteristics of this microcontroller?
  The power consumption characteristics of the MC68HC705C9ACP vary depending on the operating frequency, voltage, and mode of operation. Refer to the datasheet and application notes for specific power consumption data and guidelines for minimizing power consumption in your application.