AnsweredAssumed Answered

UART Misses Characters

Question asked by daniel on Dec 30, 2013
Latest reply on Jan 4, 2014 by daniel

I have a STM32L151CB and I need to use the UART interface. At first it worked perfectly, but after I changed the system clock from HSI (16 MHz) to MSI (2 MHz) I only receive some characters.

E.g. when I send "Hello" I receive "Hlo".

The UART us configured as follows:
Baud rate: 115200
Word length: 8 bit
Stop bits: 1
Parity: no
Flow control: no

It works with a baud rate of 9600, but I would prefer 115200 baud.

Did I miss something or is it not possible to use a fast UART with the MSI clock?