Homework answers / question archive / M21389- Principles of Digital Systems Microcontrollers Coursework- Deferral Submission Deadline: Submission Instructions A report containing the information required in the assignment should be uploaded to Moodle Instructions for completing the assessment: Once completed, the report should be saved as a pdf file and uploaded to Moodle, together with the source code listing

M21389- Principles of Digital Systems Microcontrollers Coursework- Deferral Submission Deadline: Submission Instructions A report containing the information required in the assignment should be uploaded to Moodle Instructions for completing the assessment: Once completed, the report should be saved as a pdf file and uploaded to Moodle, together with the source code listing

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M21389- Principles of Digital Systems
Microcontrollers Coursework- Deferral
Submission Deadline:
Submission Instructions
A report containing the information required in the assignment should be uploaded to Moodle
Instructions for completing the assessment:
Once completed, the report should be saved as a pdf file and uploaded to Moodle, together with the source code listing.
Examiners:
Richard Walters
M21389: Principles of Digital Systems
Microcontroller Coursework
Seven Segment Decoder
1. Introduction
This project requires you to write an assembly language program for a 7-segment display decoder. This will then be implemented in Keil and simulated on MultiSim.
2. Requirements
The program should take a binary value on inputs A-D and then display the value as shown in table 1 at the end of this document, on the output of the 7-segment display.
Connections should be as given in the Multisim Simulation file and shown in table 2 below.
The input should be active high (a one on the input triggers a change)
The outputs are active LOW (a zero on the port pin lights the LED)
A suitable breakdown of the code should be developed. The code should then be written, with comments showing the function of each block and each line, and how this relates to the breakdown developed above.
Connection
Port Pin
Input A
P1.0
Input B
P1.1
Input C
P1.2
Input D
P1.3
a
P0.0
b
P0.1
c
P0.2
d
P0.3
e
P0.4
f
P0.5
g
P0.6
Table 2: 8051 wiring connections
It should then be tested and results produced to show that the final system meets the requirements.
3. The Process
You should apply a formal design process to the project.
1. A suitable breakdown of the code should be developed
2. The code should then be written, with comments showing the function of each block and each line, and how this relates to the breakdown developed above.
3. It should then be tested and results produced to show that the final system meets the requirements.
4. Reporting and Assessment
A typed report of the project should be submitted
• A brief introduction of no more than 10 lines should start the report. (5 marks)
• A ‘design’ section should include the code breakdown. (10 marks)
• An implementation section should how the code was developed from this, and the final code (10 marks)
• A results section should then be presented showing the operation of the system (10 marks)
• A final conclusions section should show the results of any tests undertaken and conclusions drawn based on these tests as to the level to which your solution meets the initial requirements. (5 marks)
Total: 40 Marks