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Frequent questions

  • [FAQ] TMS570LC4357: JTAG connection issues to Hercules devices

    Part Number: TMS570LC4357 Is JTAG RTCK required for target connection? What are the dfifference between JTAG and ETM? Why should the nTRST signal be pulled LOW? The JTAG connection is lost after the program is loaded to flash.

  • [FAQ] TMS570LC4357: Troubleshooting the Abort Exceptions on Hercules Devices

    Part Number: TMS570LC4357 The guides to debug the aborts happened on Hercules (TMS570 and RM4x/RM5x) devices

  • [FAQ] EK-TM4C1294XL: How to program a new MAC Address into a TM4C129 device?

    Part Number: EK-TM4C1294XL Other Parts Discussed in Thread: LMFLASHPROGRAMMER , UNIFLASH What are the steps required to program a new MAC address into a TM4C129x? How can a committed MAC address be reprogrammed?

  • [FAQ] SW-TM4C: How to apply to use TI's TM4C USB VID and PID

    Part Number: SW-TM4C After evaluation of the TivaWare UsbLib and using TI's offered USB example projects, I want to reuse TI's USB Vendor Identification Number (VID) and USB Product Identification Numbers (PID) for my final product. Is this possible…

  • [FAQ] What to do if the TM4C129 ROM boot loader is not functional on custom hardware

    Other Parts Discussed in Thread: EK-TM4C1294XL , TM4C1294KCPDT , TM4C1294NCPDT , TM4C1294NCZAD , TM4C1299KCZAD , TM4C1299NCZAD , TM4C129EKCPDT , TM4C129ENCPDT , TM4C129ENCZAD , TM4C129LNCZAD , TM4C129XKCZAD , TM4C129XNCZAD Issue: Trying to invoke the…

  • [FAQ] SW-TM4C: How to debug a program going into FaultISR

    Part Number: SW-TM4C Observed Issue: The program is entering into the FaultISR during normal program execution. The FaultISR entry has been confirmed to be unrelated to the topic discussed in How to prevent the program from going into FaultISR when…

  • [FAQ] SW-TM4C: How to prevent the program from going into FaultISR when using a new peripheral

    Part Number: SW-TM4C Case 1: Adding a function call for a new peripheral or a new GPIO port caused the program to go into FaultISR Case 2: After properly enabling a peripheral, the program still goes into FaultISR

  • [FAQ] EK-TM4C123GXL: How to resolve unexpected behavior on pins PD0, PD1, PB6, and/or PB7

    Part Number: EK-TM4C123GXL Observed Issue: One or more of PD0, PD1, PB6, and/or PB7 are exhibiting unexpected behavior when trying to use them for any functionality.

  • [FAQ] How to get locked GPIO pins on TM4C129 devices to work

    Affected GPIO Ports for TM4C129x Devices: Port C0, C1, C2, C3 Port D7 Port E7 Behavior: The I/O port will not operate as a GPIO when trying to change output levels or read input signals.

  • [FAQ] How to get locked GPIO pins on TM4C123 devices to work

    Affected GPIO Ports for TM4C123x Devices: Port C0, C1, C2, C3 Port D7 Port F0 Behavior: The I/O port will not operate as a GPIO when trying to change output levels or read input signals.

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