Part 1-A: Stopwatch Design In this part of your final project, you build a stopwatch in Multisim. The stopwatch counts t
Posted: Sun May 15, 2022 7:31 pm
Part 1-A: Stopwatch Design In this part of your final project, you build a stopwatch in Multisim. The stopwatch counts to 59:59:99 (59 minutes, 59 seconds, 99 hundredths of a second). The requirements for the stopwatch design are as follows. The design shall have 6-decade counters and 6-digit HEX displays. The design shall have a single START/STOPn control signal to simultaneously enable/disable counting on all six HEX displays. When the START/STOPn control signal is set to a logic-1, the stopwatch picks up where it left off, just like an actual stopwatch. Likewise, the stopwatch stops when the START/STOPn control signal is a logico However, when the START/STOPn control signal is a logic-o, the circuit should not reset the count value to 0. The design shall have a single active-hight reset signal. When the reset is asserted, all six HEX displays are cleared to O simultaneously. The reset signal has priority over the START/STOPn control signal, such that if the watch is running when reset is asserted, the count is reset to 0. The design shall be as neat as possible, with HEX displays laid out side-by-side (horizontally) in a readable fashion [minutes, seconds, hundredths of a second). The design shall use interactive constants labeled with appropriate text such as "Start/StopN" and "Reset." Experiment with the digital clock to get a Hz value that closely resembles hundredths of a second. Of course, the stopwatch is not perfect because the computer system's performance affects the simulation of the counting appearance. Your project MUST use the components specified above. If you solve this using a component that we did not cover in class, you will not be awarded any points (even if your solution is better). This requirement encourages you to design the project yourself and not from the plethora of solutions most likely available online. Part 1-B: Stopwatch Explanation In a separate document (project2_part1), explain your circuit in 300-450 words. Your explanation must explain how each of the following works: What a counter is and the underlying concepts for how it works. How your counters are connected to create a 59:59:99 stopwatch. How the start/stop button works. How the reset button works. The theoretical clock frequency that you should use for the design. NOTE: When writing your report, do not simply answer the questions in your report. The report is scrutiny to gauge your understanding of what you created. Therefore, walk the user through your circuit design and the thought process required to design the circuit. When referring to the circuit, be specific by referencing the REF DES, part number, or pin names within your circuit. If it helps, think of the report as a story about how to design the circuit. In this story, you answer the questions above and more. Use screen captures of the circuit in the story to help illustrate it. While this is not a writing course, it is a 200-level course, and as such, your explanation should be in complete sentences with all norms of English writing present. It is assumed that all grammar rules are expected, including capitalized sentences, punctuation, and spelling.