National <br/><br/>
48-series microprocessors handbook 
National Semiconductor 
 - Santa Clara, Calif. :   National Semiconductor Corporation  c1980. 
 - 1 volume (various pagings) :   illustrations ;   23 cm 
<br/><br/> http://www.amazon.com/48--Microprocessors-Handbook-National-Semiconductor/dp/B000GYMZVW/ref=sr_1_1?s=books&ie=UTF8&qid=1414750888&sr=1-1&keywords=48-SERIES+MICROPROCESSORS+HANDBOOK+BY+NATIONAL 
<br/><br/><label>Subjects--Topical Terms: </label>--EL
<br/><br/><label>Dewey Class. No.: </label>621.38195 NAT