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TM4C1294NCPDT: IC adapter used for TM4C1294x

Hiroyuki Kanematu
Expert 2975 points

Part Number: TM4C1294NCPDT
Other Parts Discussed in Thread: TM4C1294NCZAD,

I want to write a program to TM4C1294NCPDTT3.
However, I can't find a suitable IC adapter for it.
(There is no one that supports 128 pins.)

Do you have a recommended IC adapter for this?

  • 0
    Expert 2975 points

    The image looks like the following.

  • 0 in reply to Hiroyuki Kanematu
    TI__Guru**** 191886 points

    Hi,

      Sorry, TM41294NCPDT comes in a 128pin TQFP package.  There is also a TM4C1294NCZAD part number that uses a NFBGA 212-pin package. If you are looking for a smaller footprint package, you might want to look at TM4C1294NCZAD. Why do you need a adapter for it?  Is it that you want to fit TM4C1294NCPDT into a existing design that only accepts 144-pin package? TI does not provide adapter or interposer. You will need to look for 3rd party vendors that supports this.  Please evaluate the cost and effort of an adapter vs design a new board for TM4C1294NCPDT. 

  • 0 in reply to Charles Tsai
    Expert 2975 points

    > Why do you need an adapter? Want to fit the TM4C1294NCPDT to an> existing design that accepts only 144-pin packages?

    I thought I needed an adapter to write the program.
    Of course, it may be good to make your own board, but I think it will take time to design the wiring for that.
    Therefore, I decided to buy an adapter that fits the size of 128 pins.

    Do you have a recommended IC adapter again?

  • 0 in reply to Hiroyuki Kanematu
    TI__Guru**** 191886 points

    Hi,

      I still don't understand your custom board design. Are you saying your custom board containing a 144pin package MCU? What MCU is that? You are trying to replace that 144p MCU with TM4C1294NCPDT which is 128p? Can you show your schematic?

  • 0 in reply to Hiroyuki Kanematu
    Guru 92251 points
    Hiroyuki Kanematu said:
    I thought I needed an adapter to write the program.

    Do you mean you are looking for a ZIF adapter to program the flash of the Tiva device before the programmed Tiva device is soldered to the board?

    The normal approach is to add a JTAG interface to the board, and then program the flash of the Tiva device via the JTAG interface once the board is assembled. See the 3.7.1 Debug and Programming Connector section in System Design Guidelines for the TM4C129x Family of Tiva C Series Microcontrollers

  • 0 in reply to Chester Gillon
    Expert 2975 points

    Thank you for your reply!

    You said:

    >Do you mean you are looking for a ZIF adapter to program the flash of the Tiva device before the >programmed Tiva device is soldered to the board?

    Yes, I want such as things like a below.

    You said:

    >The normal approach is to add a JTAG interface to the board, and then program the flash of >the Tiva device via the JTAG interface once the board is assembled. 

    Do you want to recommend this method?