Ch 3

Question 1

In C code, what is the term for the endless loop where a microcontrollers main operations reside?

Answer 1

Event loop, while(1)

Question 2

What register determines if a pin is configured as an input or an output?

Answer 2

DDRx(Date Direction Register)

Question 3

Which register sets the pins logic level(VCC or GND) when the pin is configured for output?

Answer 3

Portx(Port Data Register)

Question 4

In POV circuits, what electronic component acts as an automatic electrical switch to manage the LED ground during flashing?

Answer 4

MOSFET