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MSP430F5510 RGZ/PT code compatibility

Matthew Raines
Prodigy 30 points
Other Parts Discussed in Thread: MSP430F5510

I am looking to modify an existing design to move from the VQFN (48) to the LQFP (48) footprint. Everything else stays the same (MSP430F5510, 48 pin package). Same pinouts, same memory ranges/SFR addresses (as far as I can tell). Can I expect the same machine code (*.out) to run on both devices?

Thanks in advance

  • 0
    Guru 318700 points
    Yes, it's the same die.

    Have a look at the MCU selection of your compiler (whatever it is). I guess it just has "F5510", without allowing you to choose between RGZ and PT – so how would it be even possible to generate different .out files?
  • 0 in reply to Clemens Ladisch
    Prodigy 30 points

    I didn't have any software tools (this is a legacy project) but I went ahead and installed the free version of code composer to check. You are right, there is no distinction between the different flavors of 'F5510. I am a little surprised because there are 64 pin and BGA versions that have more GPIO and analog pins available. So it appears the 48 pin versions don't bond all the I/O from the die to the package pins.

    Thanks for the help

  • 0 in reply to Matthew Raines
    Guru 74080 points

    Matthew Raines said:
    So it appears the 48 pin versions don't bond all the I/O from the die to the package pins.

    Exactly! In your software you can still access them, but of course there is no physical output.

    Dennis

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