Question: Need help 2 9) What is the difference between a logical and an arithmetic shift? 10) Please do math for a 200 ms time delay

Need help 2

9) What is the difference between a logical and an arithmetic shift? 10) Please do math for a 200 ms time delay using a Micro-controller with 20-MHZ bus clock if we use 125 E-cycles in total, how many loops do we need? Show detailed process/formula of your calculation. 11) How to show memory content after you run your program on Dragon Board? 12) How to display contents of a register after you run your program on Dragon Board? 13) What is the register DDRA used for? 14) What does the following assembly mean? Movb #Sff, ddrb 15) What does the following assembly mean? Movb #SS4, ddra; Tell the details. 16)0n a dragon Board, there are 8 LEDs. The following code is to drive LEDs and they have been enabled, which LEDs are on? Movb #$32, ptb 17) Why do we need two ports to drive LEDS? 214

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