Hi Gus, Thank you for your suggestions, I think i understand what you are recommending. But ideally it would've been better for me to deal with the N characters inside the RX ISR. I had a logic that required me to check the RXFIL level and use that to get the data within the FIFO. But for some reason i was not able to get the register value even though i am using HWREGH . That was one of my primary questions. As Genatco mentioned polling for buffer level or polling the remaining characters might waste system resources, which was my main motive in going for FIFO interrupts in the RX side. I will try implementing your suggestions and evaluate my system to see what works. Thank you again for your suggestions Gus and Genatco. Warm Regards Ashwin Bhaskar A
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