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RTX RTOS operation on lower MCU frequencies

Linas

Hello,

My application runs on RTX RTOS and MCU STM32F2 is used.

I have implemented one task which handles UART read/write (baudrate 115200). Other task reads data from GPS (UART 9200). Application runs on 48 MHz core clock without any problems. Systick is set to 10 ms.
But when I set MCU core 8MHz, the application stops working. What is the limitations for MCU clock working with RTX RTOS?

Thanks in advance.

Linas

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