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CCS/MSP-EXP430FR6989: Serial communication with MAC OS

Part Number: MSP-EXP430FR6989

Tool/software: Code Composer Studio


under Windows, two COM ports show up in device manager (MSP debug interface and MSP application uart), and using the application uart (P3.4/P3.5),  serial communication between host and LaunchPad works properly. Under MAC OS, there are also two additional serial ports, but nothing seems to be transmitted through the application uart.

Any suggestions or hints? 




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