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SYSTICK TASKS

  1. We used Software delay in our blinky, read_sw1, and read_sw2 programs. Replace Software Delay with SysTick Timer Delay.
  2. If we are sure the execution speed of our function is less than (224 bus cycles), we can use this timer to collect timing information with only a modest amount of intrusiveness. Use the SysTick timer to measure the Software Delay functions we used in the earlier programs.
  3. If we activate the PLL and change the bus clock to 50 MHz (20ns), what is the longest elapsed time we could measure?