Lpc2000

How many wait states did you have on your real physical memory and how
many wait states did you tell your simulator to simulate?

-- Dave

--- In lpc2000@yahoogroups.com, ayman ghaly <ghalyayman@...> wrote:
>
>   Hi all
> 
>     I measured the execution time of the code shown below using
break points in the keil simulator and it was approximately 500 micro
seconds. 
>   But when I measured the execution time of the same code from the
Philips ARM board LPC2129 it was about 3000 micro seconds.
>   Do you have any idea about the cause of this difference?
>    
>   Note that I used the following adjustments before running the code:
>   Target: Philips LPC2129
>   Oscillator frequency: 12 MHz
>   CCLK= 48MHz
>   PCLK= CCLK/2
>   Cc: No optimization for the code
>    
>   Code:
>    
>    
>               unsigned int i,j;
>               for (i=0;i<5;i++)
>                           {
>                           for (j=0;j<286;j++);  
>                           }
>    
>   Thanks for your help.
>   Ayman
> 
> 
> 		
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