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MSP430FR6047: MCU Reset

Ray Vincent Aranzaso
Genius 13535 points
Part Number: MSP430FR6047

Hi,

Good Day. I have a customer who is working with MSP430FR6047. Please see below his query for your reference. Thank you very much.

I am working with MSP430FRBoot – Main Memory Bootloader and Over-the-Air Updates for MSP430™ FRAM Large Memory Model Devices and I modified it for MSP430FR6047 water meter example. Code is successfully transferred to the target and start to execute the code. But when it enter to the USSLibGUIApp_Init() function MCU got reset. I turned off the watch dog also. I found e2e forum regarding this question but in there they mentioned to turn off the watch dog. I did it too but still reset and go to the bootloader mode.

Best Regards,

Ray Vincent

  • 0
    TI__Mastermind 27675 points

    Hi,

    Based on this description, when the MCU reset, it goes into BSL mode.

    However, the default BSL application can be called by the device boot code by applying a hardware entry sequence on the RST and TEST pins. I do not think the customer is applying this hardware sequence when their MCU reset. I would assume that they are using their own bootloader code. 

    You can let the customer search for the document number SLAA968. It has code examples for a software BSL for MSP430FRxx devices. 

    Best regards,

    Cash Hao

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