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USB CDC sample code does not work at baud rate 115200

KY Lee

Hi,

I have a device which are sending a string "RECEIVED OK. CONTINUE..." repeatedly. It is connected to the MCB2300. The communication interface between my device and MCB2300 is via UART interface. I'm using the USB CDC sample code from keil folder. In MCB 2300, it will route the message from UART 1 to the USB virtual comm port.

If I set the UART baud rate to 9600, I can see a complete string from the hyperterminal.
When I set the UART baud rate to 115200, most of the characters are missing, which means the string that is shown in the hyperterminal is not complete.

can anyone explain why this is happen and how to solve it.

BR,
KY Lee