Goldsbrough, Paul F., <br/><br/>
Microcomputer interfacing with the 8255 ppi chip / 
By Paul f. goldsbrough with portions of the experiments by Peter r. rony 
 - 217 páginas 
 - Blacksburg continuing education .
<br/><br/><label>ISBN: </label>0672216140 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microcomputadoras--Interfaces perifericas programables
<br/><br/><label>LC Class. No.: </label>TK7887.5  / G64