Ayala, Kenneth. <br/><br/>
The 8051 microcontroller / 
Kenneth Ayala. 
 - 3rd ed. 
 - New Delhi :  Cengage Learning,  2005. 
 - xix,412 p.;  23 cm. 
<br/><br/><label>ISBN: </label>9788131502006 
<br/><br/><label>Subjects--Index Terms: </label>Microcontroller. Microprocessor. 
<br/><br/><label>Dewey Class. No.: </label>004.165  / AYA