Question

The secondary implementation uses a fixed second clock divided which is divided by ______________

(a) 4

(b) 8

(c) 32

(d) 16

I have been asked this question in an international level competition.

Question is from USART Protocol in portion Internet Principles of IOT

Answer 1

Right option is (d) 16

The explanation is: The standard implementation uses a prescalar from any clock source and a fixed second clock divider which is usually a divided by 16.