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Help!!!!!!-----Serial driver overrun error?????


Hi, everyone :
 
                  Here I met a problem , when my serial driver receive 
data in interrupt ,it will
indicate there are overrun errors when received datas more than 16, and 
my trigger level
is 8 in FCR register .That is it always indicate LSR value =0x63, By the 
way , I used 24.576MHz clock  not standard 1.8432MHz  and baud rate is 
9600Hz in my serial.
               maybe I have made a mistake when used 24.576MHZ clock, 
but I don't know what  led to the error ? and can anyone help me how to 
resolve this problem ? 

             Thanks in advance !!!!!!


                Mach 17/09
                  
 


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