SPRZ569 November 2024 F29H850TU , F29H859TU-Q1
UART: UART FIFO Gets Cleared on Continuous Debugger Reads
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The UART IP treats debugger and CPU reads in the same way. As a result, on reading the UART_DR register continuously from CCS, the FIFO gets cleared before the code actually reads it.
Do not keep the memory browser open during UART data transfers.