Blackfin 532 DSP UART clock disable and then enable ?

Can you see the attached ADSP-BF533 UART Loopback example code and check if that works for you?

Please let me know if you have any further queries.

I am able to make UART to work after initialization.

The question is during the loop, once I disable the UART clock, then after a short while, do re-initialization to all the UART registers, just do the same way as I did before the main loop, then the UART does not work.

if after initialization, I do not touch UART clock, then everything is working.

Did you try re-enabling the interrupt ? I'm not sure if you are using the ADI code but if you are you can do stuff like this...

adi_uart_SubmitRxBuffer(ghUART, &RxBuffer[0], 1);
/* enable the UART transfer */
eResult = adi_uart_EnableRx(ghUART, true);

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Thank you,
EZ Admin