MC68HC908GP32CFB datasheet by Freescale Semiconductor

MC68HC908GP32CFB Frequently Asked Questions (FAQs)

• What is the maximum clock frequency of the MC68HC908GP32CFB?
  The maximum clock frequency of the MC68HC908GP32CFB is 10 MHz.
• How do I configure the oscillator circuit for the MC68HC908GP32CFB?
  The oscillator circuit can be configured by selecting the appropriate values for the external crystal or ceramic resonator, and by setting the OSCPD and OSCPE bits in the Option Register (OPT_REG) to enable or disable the internal oscillator.
• What is the purpose of the watchdog timer in the MC68HC908GP32CFB?
  The watchdog timer is a safety feature that resets the microcontroller if it fails to respond within a certain time period, indicating a system failure or malfunction. It can be enabled or disabled by setting the WDE bit in the Watchdog Timer Control Register (WTCTL).
• How do I use the analog-to-digital converter (ADC) in the MC68HC908GP32CFB?
  The ADC can be used by configuring the ADC Control Register (ADCTL) to select the input channel, conversion mode, and clock source. The ADC result is stored in the ADC Result Register (ADCR).
• What is the maximum current that can be sourced or sunk by the I/O pins of the MC68HC908GP32CFB?
  The maximum current that can be sourced or sunk by the I/O pins of the MC68HC908GP32CFB is 25 mA.