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Rx Timeout Interrupt

sagar dhavali
Intellectual 555 points

Hi,

We are using UART : TL16C752B in one of our design. But sometimes I am getting Rx buffer timeout, which is causing the indefinite halt in serial communication between Uart and corresponding device. Unless it is cleared, the interface is not working properly.

Is there any way out in disabling that particular Rx timeout interrupt and make that interface work ?

Here is how are we initializing the uart registers.

      UchFCR1 = 0xC7;
      UchLCR1 = 0xBF;
      UchEFR1 = 0x00;
      UchLCR1 = 0x00;
      UchMCR1 = 0x08;
      UchLCR1 =  0x80;
      UchDLL1 =  0x02; 
      UchDLH1 =  0x00; 
      UchLCR1 = 0x03;
      UchIER1 = 0x01;

Hope to get an advice. Thanks in advance.

Best Regards,

Sagar