What is the real max uart baud rate in stm32f103c8t6 blue pill?

Question

Microcontrollers

Interested in information tested on a real project about the maximum data transfer rate over uart in stm32f103c8t6 blue pill

Answer 1

Look at the datasheet everything is written in black and white.

Answer 2

1-2 mb is real without any special difficulties, passport 4.5 will probably require a detailed understanding of the issue and a careful approach to the design of the device.