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Questions and Answers
What are the main components of a microcontroller?
Processor core, memory, digital I/O, analog I/O, interrupts, timer, and other features like watchdog timer, power consumption & sleep, and reset.
What is the main characteristic of microcontrollers related to hardware control?
Digital I/O, which allows directly monitoring and controlling hardware.
How are I/O pins generally grouped in microcontrollers?
I/O pins are generally grouped into ports of 8 pins, which can be accessed with a single byte access.
What are the alternate functions of most pins in microcontrollers used for?
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How can the application programmer select the function for a pin in a microcontroller?
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