2026-05-08 6:38 AM
Hello,
I realized, that there are different informations about the features of LPUART1 in the datasheet and refmanual.
The datasheets (at least DS15125 and DS15136) probably falsely specify in Table 8, that the LPUART1 features receiver timeout interrupt, modbus com and auto baudrate detection.
In the refmanual (RM0522, Table 439) these features are specified as not supported. This seams to be the right information, when looking into CubeMX2, where the RTO for LPUART1 can not be activated.
2026-05-08 6:44 AM - edited 2026-05-08 7:00 AM
Hello @PhilRic and welcome to the ST community,
I'll escalate this for analysis and get back to you as soon I have any feedback. In ternal ticket for follow-up: CDM0062504.
Thank you for your contribution.