>  
>
>    
>  I am using the ADSP21065L chip and right now just implementing a  
>simple sport transfer between a PC serial port and the DSP chip on a  
>custom board(with a RS-232 Transceiver). I am sending a 32 bit  
>value to the DSP chip and echoing it back to the PC. What seems to  
>happen after a while is that the DSP SPORT receive interrupt no  
>longer gets yanked. I have tried to RESET the sport by setting the  
>control regisiter to 0x00 and then setting it to it's working value,  
>but the DSP chip still does not respond to a transmission of a  
>serial word. If I halt the process and check the IMASK regsiter the  
>correct sport receive interrupt is enabled.  
>  
>Any ideas why my SPORT might be hanging??  
>  
>thanks much  
>  
>ryan  
>  
>  
>  
>  i am also having the same problem as yours while transfering data in a similar
way......but when i check in the memory content,most of the time intended task is done but i
could not see the interrupt happening while i check the processor state......if you have solve
your problem please help me...    	    
>  
>