The hardware used cannot properly generate ouput at such baud rates.
The logic analyzer used for capturing is a ChronoVu LA8 at a sample rate
of 5MHz (for baud rates 921600 - 230400), 1MHz (for 115200 - 19200),
The logic analyzer used for capturing is a ChronoVu LA8 at a sample rate
of 5MHz (for baud rates 921600 - 230400), 1MHz (for 115200 - 19200),
-and 625kHz (for baud rates 9600 - 110).
+and 625kHz (for baud rates 9600 - 1200).
The ChronoVu LA8 probes were connected to the UART like this:
The ChronoVu LA8 probes were connected to the UART like this: