Question

What is pin connect block?

(a) All pins are having a function without reserved

(b) Some pins are Reserved

(c) Pins have more than one function

(d) Multiplexing of some pins

This question was addressed to me during an online exam.

This interesting question is from Microcontroller (ARM 7- Pipelining) in division Prototyping Embedded Devices of IOT

Answer 1

Right option is (c) Pins have more than one function

To elaborate: The pin connect block allows selected pins of the microcontroller to have more than one function. Configuration registers control the multiplexers to allow connection between the pin and the on chip peripherals.