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  • TM4C123GE6PM: CUSTOM BOARD NOT RECOGNIZING AS A STELLARIS DRIVER

    TI Thinks Resolved
    Part Number: TM4C123GE6PM Tool/software: Hello, I have two questions. 1. The USB connection in theTM4C123G launchjpad workshop pdf file is as follows. But R25 and R30 is not mounted on the TM4C123G launchpad. Then i guess for usb bootloader app GND…

  • TM4C123GE6PM: USB host example

    TI Thinks Resolved
    Part Number: TM4C123GE6PM Other Parts Discussed in Thread: EK-TM4C123GXL Tool/software: Hello, I'm trying to develop an USB host application using the above micro and in all the documentation refers to the USB host examples, but there aren't any in the…
    • Answered

  • TM4C123GE6PM: No JTAG access possible

    Resolved
    Part Number: TM4C123GE6PM Other Parts Discussed in Thread: TM4C1231D5PZ Hi We created a custom board with a TM4C123GE6PM, but are unable to program the controller using JTAG. The JTAG used is the ICDI interface from a TM4C123 Launchpad. Previously we used…
    • Resolved

  • TM4C123GE6PM: intvecs on other than 0 causes USB to lock up the application

    TI Thinks Resolved
    Part Number: TM4C123GE6PM Hi I am noticing some strange behaviour with the USB stack and the .intvecs initialization. When I set the FLASH_BASE to 0x00000000 (and the .intvecs to the same address/start of the application) my USB is working. As soon as…
    • Answered

  • TM4C123GE6PM: Unable to flash micro after the first time

    Resolved
    Part Number: TM4C123GE6PM Other Parts Discussed in Thread: TM4C123GH6PM , , EK-TM4C123GXL Hi, I have a problem where after flashing the micro in a custom board for the first time, I can't either debug nor program it again. I'm using TI-RTOS (2_16_00_08…
    • Resolved

  • TM4C123GE6PM: USB PID number request

    TI Thinks Resolved
    Part Number: TM4C123GE6PM Hello, I have a new product I'm working on and will be releasing this year. It is based on the TM4C Tiva C MCU and utilizes the USB device interface. I was wondering if I could get a PID for this product issued from TI. …

  • TM4C123GE6PM: Can you tell segger jlink only erase necessary flash

    TI Thinks Resolved
    Part Number: TM4C123GE6PM Other Parts Discussed in Thread: SEGGER , UNIFLASH Hello, I'm programming a TM4C123 part with a segger Jlink and I have a bootloader programmed first, then my application. I noticed with CCS and the ICDI on the launchpad I…
    • Answered

  • RE: TM4C123GE6PM: Conflicting USB comp. dev. documentation

    Resolved
    Robert Valentine said: Do the individual callbacks (say for HID and bulk) get called respectively? So for HID traffic does the HID callback handler/ISR handler get called and the same for bulk? Almost like the callbacks/ISR handlers for traffic still…

  • TM4C123GE6PM: CPU vs uDMA bus sharing question

    TI Thinks Resolved
    Part Number: TM4C123GE6PM Other Parts Discussed in Thread: EK-TM4C123GXL Hello, I have a general question about how the uDMA and CPU share the bus. I've been reading the datasheet to try to wrap my head around this. In section 9.2 "Functional Description…
    • Answered

  • TM4C123GE6PM: Tiva USB DFU bootload with encrypted bitstream

    Resolved
    Part Number: TM4C123GE6PM Other Parts Discussed in Thread: EK-TM4C123GXL , EK-TM4C1294XL Hello, I've been reading the TivaWare Boot Loader User's guide - SPMU301E April 2014 - Revised April 2020 document (link below). I noticed that it looks like…
    • Resolved

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