MCF51AC256ACLKE datasheet by Freescale Semiconductor

MCF51AC256ACLKE Frequently Asked Questions (FAQs)

• What is the maximum clock frequency of the MCF51AC256ACLKE?
  The maximum clock frequency of the MCF51AC256ACLKE is 50 MHz.
• How do I configure the clock source for the MCF51AC256ACLKE?
  The clock source for the MCF51AC256ACLKE can be configured using the CLKSEL register. You can choose between the internal clock source, external clock source, or the PLL clock source.
• What is the purpose of the PLL in the MCF51AC256ACLKE?
  The Phase-Locked Loop (PLL) in the MCF51AC256ACLKE is used to multiply the clock frequency of the internal or external clock source to generate a higher frequency clock signal for the CPU and peripherals.
• How do I use the ADC in the MCF51AC256ACLKE?
  The ADC in the MCF51AC256ACLKE can be used by configuring the ADC registers, selecting the ADC channel, and starting the ADC conversion. The ADC result can be read from the ADC result register.
• What is the maximum current consumption of the MCF51AC256ACLKE?
  The maximum current consumption of the MCF51AC256ACLKE is approximately 35 mA at 50 MHz clock frequency and 3.3V supply voltage.