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Optymalizacja mikroprogramowanego układu sterującego poprzez zastosowanie współdzielenia kodów

Titarenko L., Kołopieńczyk M.

Pomiary Automatyka Kontrola

2006

R. 52, nr 6 bis

53-55

Zaproponowana w artykule metoda współdzielenia kodów umożliwia minimalizację rozmiaru pamięci niezależnie od charakterystyki implementowanego algorytmu sterowania. Metoda oparta jest na przekształceniu adresu, reprezentowanego jako pary , w adres mikroinstrukcji. W artykule przedstawiono także przykład zastosowania proponowanej metody.

A presented code sharing method permits to save minimal size of control memory independently on characteristics of implemented control algorithm. Method is based on transformation of address of the pair

 into address of microinstruction. An example of proposed method application is given.


	

									
									
								
							
								
								
								
								  
								
								
									
										































	
	
	
		
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					Optimization of the size of control memory of compositional microprogram control units
				
			
		
		
	
	
	
	
	
	
		
			
		
		
		
				
					
					











	
		
			
				
			
			
		
		
			
																	
			
			
		
															

	
		
			
			
				
			
		
		
			
																	
			
			
		
															

	
		
			
			
				
			
		
		
			
																	
			
			
		
															


Barkalov A., Titarenko L., Kołopieńczyk M.					

				
				
					
						











	

	

	
		
		
	

	



	
		
			
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	R. 6, nr 10

						
							

















	

	

	

	




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   		The article presents an overview of design methods of compositional microprogram control units with codes sharing and some their modifications are proposed. Presented methods are based on application of a special address transformer, which generates microinstruction addresses using addresses represented by pairs . The design of microprogram control unit shall result in keeping the control memory size as small as possible. An example of proposed method application is given.

   	

    

    


		                
		           	
		           	
				  
	
	
	
		 

	
	

	

									
									
								
							
								
								
								
								  
								
								
									
										































	
	
	
		
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					Optimization of compositional microprogram control units implemented on system-on-chip
				
			
		
		
	
	
	
	
	
	
		
			
		
		
		
				
					
					











	
		
			
				
			
			
		
		
			
																	
			
			
		
															

	
		
			
			
				
			
		
		
			
																	
			
			
		
															


Barkalov A., Wiśniewski R.					

				
				
					
						











	

	

	
		
		
	

	



	
		
			
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	R. 5, nr 9

						
							

















	

	

	

	




							7-22
						
					
					
				
		
		
	
	
	
	
	
				
		          
					
					    
					      	






 

    
    
    EN
    
   		In the article two methods of designing of CMCU are proposed. Both methods are oriented on application in the system-on-a-chip where dedicated memories can be used for implementation of control memory of CMCU. First method is based on the CMCU with base structure that was previously used only to the programmable devices (PLD). In the article some required changes in the structure of CMCU in order to use System-On-Chip devices (SoC) with built-in memories were proposed. Second method is based on using of part of the address of microinstruction as a code of the output o operational linear chain (OLC). The results of research of effectiveness of both methods are shown. The researches conducted by authors base shown that the best under the characteristics of interpreted flow-chart method of CMCU permits to decrease an amount of logic-elements in comparison with CMCU with base structure up to 35+42%.