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MSP430FR2433: I2C upgrade

Jimmy Huang
Genius 3525 points
Part Number: MSP430FR2433

hello，The MCU msp430fr2433 supports I2C upgrade;

So, I have a question，does bare chip support downloading program directly through I2C? Or it still need downloader to burn first，then you can upgrade through I2C？Thank you

  • 0
    TI__Guru 70996 points

    Hi Jimmy,

    The MSP430FR2433's bootloader is already programmed into the device's ROM memory and supports both I2C and UART, so you don't need to do anything.  A blank device will automatically enter the BSL mode at power on.

    Here are the I2C pins used for BSL.

    SLAU550 has all the information about the BSL.

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