Development of a computer/microcontroller interface

Τίτλος

Development of a computer/microcontroller interface

Θέμα

Microcontrollers--Design and construction

Computer software--Development

Computer interfaces--Design and construction

Δημιουργός

Nicolaou, Costakis A.

Πηγή

Higher Technical Institute

Το πλήρες κείμενο είναι διαθέσιμο από το Υπουργείο Ενέργειας, Εμπορίου Βιομηχανίας και Τουρισμού.

Εκδότης

Library of Cyprus University of Technology

Ημερομηνία

1994

Συνεισφέρων

Hadjioannou, S.

Δικαιώματα

Απαγορεύεται η δημοσίευση ή αναπαραγωγή, ηλεκτρονική ή άλλη χωρίς τη γραπτή συγκατάθεση του δημιουργού και κάτοχου των πνευματικών δικαιωμάτων.

Μορφή

pdf

Γλώσσα

en

Τύπος

text

Αναγνωριστικό

EED0699

Σύνοψη

The objectives of this project are to design, construct and test an 8031 microcontroller and a computer interface card. Also, to develop the appropriate computer and microcontroller software so that the computer and microcontroller interchange information.
The computer and microcontroller should have both serial and parallel connections and the language for the computer should be either Pascal or Assembly.
In order to fulfil the above requirements two printer circuit boards were constructed. These PCBs are:
• a multi purpose board based on the 8031 microcontroller ,
• a computer interface card based on the 8255 PPI.
The work was performed and completed successfully. All the software and hardware have been done and also some additional work completes the purpose of the project.
Some of the additional software features are:
• loading machine code programs in the PC
• examine/modify memory locations
• move memory
• fill memory
• change the communication baud rate between the PC and the μC
• downloading a program from the PC to the microcontroller
• executing the download program
• read the contents of the ROM or RAM of the μC
• run program. at specified location
• monitoring the 8031 programs
Also in addition to the above, a stepper motor position and speed controller application was designed and constructed. For this application software and hardware were designed. The new PCBs which were constructed are:
• a stepper motor driver,
• a small keyboard, and
• two small power supplies (+5V and + 12V).
All software and hardware are explained later in this project.
This project assumes that the reader has some background in digital. logic and microprocessor circuits.