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1. What are the main things(or steps) to do when writing an interrupt-driven program(in any programming language)? Describe what, not how.2. 2. What
1. What are the main things(or steps) to do when writing an interrupt-driven program(in any programming language)? Describe what, not how.2.
2. What does the acronym DDR stand for? Explain its role. Explain why it is inappropriate to write more than one value to the DDR within a single program.
3. What is a local maskable interrupt? What is the difference with a global mask? How do you enable/disable local maskable interrupt?