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  • TM4C1232H6PM: Can TM4C1232H6PM be used as a drop in replacement for TM4C1237E6PM?

    Resolved
    Part Number: TM4C1232H6PM Can i use the TM4C1232H6PM as drop in replacement to our design without any changes? Are there any gotchas? I am aware that TM4C1232H6PM is USB device only. I don't need host/OTG support. What are the other differences? …
    • Resolved

  • TM4C1237E6PM: USB OUT followed by IN of *very specific* packet sizes fail

    Part Number: TM4C1237E6PM I've written a boot loader for a Tiva TM4C1237. I use a Python program to test it. I have found that very specifically-sized combinations of USB OUT followed by IN transactions fail consistently. I'm using a small Python program…

  • RE: TM4C1237E6PM: SysTick_Handler stops being called

    Hi Chuck, Chuck Wilde said: Can't find a source file at "C:/Jenkins/workspace/TivaWare-Git-Release/DriverLib/build/DriverLib.test/driverlib/systick.c" Locate the file or edit the source lookup path to include its location. Please see below.…
    • Answered

  • TM4C1237E6PM: How do I debug Tiva processors with Segger J-Link using SWD instead of JTAG

    Resolved
    Part Number: TM4C1237E6PM Other Parts Discussed in Thread: SEGGER Greetings. I have a board with a Tiva processor that I am trying to debug using a Segger J-Link Plus device in SWD mode. Unfortunately, CCS gives me a ' Cortex_M4_0: Error: Stat [ JLINKARM_IsHalted…
    • Resolved

  • TM4C1237E6PM: Device hangs when compiled with -O2, runs fine when compiled with -O0.

    Part Number: TM4C1237E6PM I'm working with CCS 6.2. We had a problem with the TIVA device on out custom board failing to call Systick and thus hanging in its FSM, so I tried running through the debugger. The code was compiled with -O2, which caused the…

  • RE: TM4C1237E6PM: How fast can I read an input pin with GPIO_PinRead?

    Hi Chuck, First of all the 5Hz input means 200ms on a period. Suppose the input is 50% duty cycle on the high phase and low phase then each phase is 100ms. If it is not 50% then it will be even worst. For example, the high phase is 10ms and the low…
    • Answered

  • TM4C1237E6PM: usb_dev_serial.c no longer works properly when USB connected to Win10 machine

    Resolved
    Part Number: TM4C1237E6PM Other Parts Discussed in Thread: EK-TM4C123GXL We use a TIVA device, and imbedded in the code is the usb_dev_serial.c file provided for TI for USB interfaces. This has been working fine for 3+ years when a Win7 or Win10 laptop…
    • Resolved
    • Answered

  • TM4C1237E6PM: Is the internal Flash memory NOR or NAND based?

    Resolved
    Part Number: TM4C1237E6PM If the internal Flash memory is NOR based, then it should be defect-free. If it is NAND-based, then error detection and correction is more of an issue. I think it is NOR-based because that is typical for internal flash in a micro…
    • Resolved

  • TM4C1237E6PM: Voltage level mismatch

    TI Thinks Resolved
    Part Number: TM4C1237E6PM Hi community, Please help me to find out the answer for the below queries 1)IO sink current I have connected 2# LED Cathode through current limiting resistor (150E) to PE1 and PE5 of TM4C1237E6PM . The LED Forward Current…

  • TM4C1237E6PM: REFERENCE DESIGN

    TI Thinks Resolved
    Part Number: TM4C1237E6PM Other Parts Discussed in Thread: TM4C123GH6PM Dear Team, Please share the TI TM4C1237E6PM micro controller reference design , schematic, board file and Bill of material . Thanks & regards, Divya

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