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MSP430FR2433: Bootloader

Part Number: MSP430FR2433
Other Parts Discussed in Thread: MSP-FET

About MSP430 FRAM Devices Bootloader (http://www.ti.com/lit/ug/slau550p/slau550p.pdf)

    • Document does not tell that BSL UART is 9600 bits with EVEN parity.
      Other TI documents suggested trying even parity. I had several hours of no luck using no parity…
    • Document does not tell how long user has to wait before first BSL data packet can be sent to MSP430 after bootloader mode has been invoked using hardware entry sequence.
      How long should the user wait? Now it seems that there has to be at least 50 ms delay after hardware entry sequence before first character can be sent? What is minimum time?

  • Asko Rintamaki said:

    Part Number: MSP430FR2433

    About MSP430 FRAM Devices Bootloader (http://www.ti.com/lit/ug/slau550p/slau550p.pdf)

      • Document does not tell that BSL UART is 9600 bits with EVEN parity.
        Other TI documents suggested trying even parity. I had several hours of no luck using no parity…
      • Document does not tell how long user has to wait before first BSL data packet can be sent to MSP430 after bootloader mode has been invoked using hardware entry sequence.
        How long should the user wait? Now it seems that there has to be at least 50 ms delay after hardware entry sequence before first character can be sent? What is minimum time?

    With regard to parity, SLAU655f.pdf on BSL Scripter explains under the description of the PARITY option on page 7.  Almost all device BSLs require even parity, but in most cases that is provided by the MSP-FET or Rocket hardware interface.  You would use the PARITY option in Scripter only if you aren't using such a device.

    I don't know about the minimum delay.  But I would be surprised if it was as long as 50 ms.  That's a long time.

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