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Original question:

TM4C1294NCPDT: Replacement for TM4C1294NCPDTI3

TM4C1294NCPDT: Available Replacements

Marcus Torres
Prodigy 120 points
Part Number: TM4C1294NCPDT

Due to long lead times for this part, what are the available replacements for this part so already developed firmware can be ported over? Other package sizes/types can be utilized.

  • 0
    TI__Guru**** 191486 points

    Hi Marcus,

      It depends what peripherals you are currently using in your firmware for your application. Please reference this TM4C Product Selection Guide. https://www.ti.com/lit/spmt285. I tend to think other part numbers will have similar lead time due to tight constraint.  As far as availability and lead time for different parts, that is not something we can provide insight about on the E2E forums. These forums are for technical support and supply related questions would need to be discussed with local field reps or through TI's customer support center.

  • 0 in reply to Charles Tsai
    Prodigy 120 points

    Can the firmware from the TM4C1294NCPDT be ported to any TM4C or does the pinout along with their available functions have to match?

  • 0 in reply to Marcus Torres
    TI__Guru**** 191486 points
    Marcus Torres said:
    Can the firmware from the TM4C1294NCPDT be ported to any TM4C or does the pinout along with their available functions have to match?

    Depending on what you mean by porting. If you are looking for a binary compatible porting, meaning porting from one part to another part without any modification then there are few choices of parts that will match. If you are willing to make some modification or do away with some features then there will be more choices for replacement. 

    TM4C1294NCPDT is a 128-pin QFP device. You cannot port it to any other packages as the pinmuxing will be different unless you are willing to make some minor modification for the pinmuxing. Even for part numbers that have the same pinout, you need to be careful not to use the part number that has lesser contents than TM4C1294NCPDT. For example, if you are using the Ethernet feature on TM4C1294NCPDT, you cannot use any 128-pin part numbers that do not have this module on it. TM4C1294NCPDT has 1MB of flash. You cannot use any part numbers that have less than 1MB on it. These are just two examples to consider.