Description

There is bug in the USCI driver that is triggered when the USCI is clocked by the auxiliary clock, e.g. by reducing the symbol rate of the UART to 9600 Bd.

Steps to reproduce the issue

Reduce the symbol rate of the UART to 9600 Bd.

Expected results

UART still works

Actual results

Broken stdio output (did not check with a logic analyzer yet)

Versions

master