UNIVERZITET "Sv. Kiril i Metodij"

Prirodno-matemati~ki fakultet - Skopje

Institut za Informatika

 

Seminarska rabota po predmetot

Mikroprocesori i Mikrokompjuteri

 

Izrabotil: Stojan~o Tuxarski

Mentor: d-r Marjan Gu{ev

 

Sodr`ina

Vo ovaa seminarska rabota e daden kratok opis na nadvore{niot ured 8255A, so stavawe na poseben akcent na izrabotka na softver koj }e komunicira so uredot (}e se obra}a kon nego). Vo ramki na seminarskata rabota e izrabotena kompjuterska programa vo asembler koja simulira mera~ na vreme ({toperica), ~ij listing e daden v ponatamo{niot tekst.

 

Abstract

The problem analysed in this work is using the external interface 8255A, with giving the short description and putting the major accent of making software that will communicate with it. Simple computer program in assembler is made within this work. Program simulates the unit for time measurement, and it’s listing is given in the further text.

1 VOVED

2. KRATOK OPIS

2.1 Op{t opis na uredot

2.2 Podato~en magistralen bafer

2.3 Blok za ~itawe/zapis i kontrolna logika

2.4 Grupa A i grupa V kontroli

2.5 Porti A, V i S

3 OSVRT NA PRAKTI^EN SOFTVERSKI PRISTAP KON UREDOT

4. LISTING NA PROGRAMATA