Question

2. Suppose that a sender and a receiver exchange data via UART with following configuration: Baud rate = 115200 bits/s 1 start bit, 2 stop bits, 8 data bits, 1 parity bit 16 clock periods used for sampling 1 bit Answer the following questions:

(a) What is the required clock frequency?

(b) Suppose a 48 MHz clock. What is a suitable division factor to generate the needed clock in sub-question (a)?

(c) How long does it take to transfer 10 MBytes of data?

Answer 1