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MSP430F4132 BSL

Nicholas Payne
Prodigy 70 points

For F41x,(Ff4152 in my case) inthe  Bootstrap Loader Manual in section 4.1.3, it says the BSL  RXD pin is P1.1, like it does in the data sheet while in Table 5.2 it says P2.1. Which is correct?

  • 0
    Guru 34453 points

    Welcome to the TI BSL (datasheet) twilight zone.

  • 0
    Guru 227245 points

    The BSL RX/TX funciton isn't bound to a digital I/O port pin, but rather to a specific timer function.
    Since not all MSPs have the same timrer funcitons on the same port pins, the BSL guide can only give a typical configuration and not a generally valid one.
    The BSL usually uses TA0.0 and TA0.1 but could as well TA0.2 instead of TA0.1, or even TA1.0/TA1.x (if available). That's why the BSL pinfunction information is available in the datasheet and not in the users guide.
    So if in doubt, believe the individual device datasheet.

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