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CCS/MSP430FR2633: Baudrate Setting for MSP-CAPT-FR2633

Murugavelu Thangavelu1
Intellectual 405 points

Part Number: MSP430FR2633

Tool/software: Code Composer Studio

Hi,

In regards with the development kit MSP-CAPT-FR2633, we would like to know what is the BaudRate of the Serial communication, we would find the settings for parity, stop bits, etc.. but not the baudrate. We tried various baudrate from 1200 to 115200 without any luck with custom data being printed.

We are using the Phone Demo code as it is without any changes for testing. We plan to use the serial communication for other purposes. We did find the baud rate calcualtor link as given below, but it is not working as we don't know the SMCLK frequency. Setting the clock to ACLK also did not give us the desired results.

software-dl.ti.com/.../index.html

Kindly let us know how we could set the baudrate as per our requirements.

The SMCLK & MCLK configurations are different from the regular MSP430 clock configurations. Since we just started with the FR2633 it is taking quite a bit of time.

Regards,

Muruga

  • 0
    TI__Guru**** 223927 points

    Hi Muruga,

    SMCLK source frequency is 2 MHz by default with a prescalar value of 8 and no oversampling or modulation (from CAPTIVATE-PHONE-Demo/captivate/COMM/CAPT_Interface.c), therefore the rate is 250 kBaud. You can verify this with a oscilloscope or logic analyzer. Please refer to the Software Library -> Communications Module and MSP-CAPT-FR2633 Development Kit -> Using the HID Bridge sections of the CapTIvate Technology Guide.

    Regards,
    Ryan

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