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  • TM4C1299NCZAD: Internal PHY is not present

    Part Number: TM4C1299NCZAD Hi Team, Good day. I am posting this inquiry on behalf of our customer. I am developing a new application. That is communicate to PC with ethernet. I use LWIP stack and I take a fault from lwIPInit function. The fault is internal…
    • Answered

  • TM4C1299NCZAD: Ethernet LED inversion

    Resolved
    Part Number: TM4C1299NCZAD Hello, I need to invert the Ethernet LED's for my board. The board has the LED's connected as shown in figure 31. in the system design guidelines for TM4C129x , where the GPIO should sink current to turn them on. The design…
    • Resolved

  • TM4C1299NCZAD: LCD VGA 640x480 problems (raster, FIFO underflow) in my V2401 PCB project using SDRAM on EPI - Is LCD NIBBLE mode possible and on internal SRAM ???

    Part Number: TM4C1299NCZAD Other Parts Discussed in Thread: TM4C129XNCZAD Following up on CS1142770 created some week ago or so. Our project is to use the TM4C129Xnczad in our V2401 project (TM4C1299ncad is installed in our board) that is to replace a V2400…
    • Answered

  • TM4C1299NCZAD: Tiva TM4C1299NCZAD connect to SDRAM, External SRAM by common EPI

    Resolved
    Part Number: TM4C1299NCZAD Hi, In our project, the microprocessor needs to interface to SDRAM, external SRAM, FRAM and FPGA through EPI. I want to confirm that whether Tiva TM4C1299NCZAD can connect to them by the common EPI ? Below is quote from the datasheet…
    • Resolved
    • Answered

  • TM4C1299NCZAD: LCD timing parameter: ui8ACBiasLineCount

    Resolved
    Part Number: TM4C1299NCZAD Dear Champs, Our customer use raster LCD control on our TM4C129x and use raster_displays.c code to refer it. But met one problem, we do not know why this value is 0 on tRasterDisplayInfo -->sTiming in uint8_t ui8ACBiasLineCount;…
    • Resolved
    • Answered

  • TM4C1299NCZAD: Influence on VDDC when the rise rate of VDD power input is slow.

    Resolved
    Part Number: TM4C1299NCZAD Other Parts Discussed in Thread: MAX3232 When VDD and VDDA are connected to the same power supply, VDDC begins to be generated when VDD reaches about 2.5V when the power is turned on. If the rise rate of VDD is very slow, even…
    • Resolved

  • TM4C1299NCZAD: USB loopback data lose

    TI Thinks Resolved
    Part Number: TM4C1299NCZAD Dear Champs, Customer used our example code (tirtos_tivac_2_16_00_08_examples\TI\DK_TM4C129X\usbserialdevice) on DK-TM4C129X to test USB1.1 loopback function, the PC tool is BurnInTest. But, it is shown the data lose issue. …
    • Answered

  • TM4C1299NCZAD: CTS control in usb_dev_serial

    Resolved
    Part Number: TM4C1299NCZAD Dear Champs, Under usb_dev_serial example on TivaWare for dk-tm4c129x, we could see below description. Where code line we can it report CTS as high? in main code or usblib? Or it just wait to listen host report CTS status…
    • Resolved
    • Answered

  • TM4C1299NCZAD: How to power cycle cc2564

    Resolved
    Part Number: TM4C1299NCZAD Other Parts Discussed in Thread: CC2564 Hi, We are using Tiva C TM4C129X board and CC2564 chip. We want to power cycle CC2564, for that we have written following code. GPIOPinWrite(GPIO_PORTS_BASE, GPIO_PIN_1, 0); delay_ms(20…
    • Resolved

  • TM4C1299NCZAD: Can't test USB device eye pattern

    TI Thinks Resolved
    Part Number: TM4C1299NCZAD Other Parts Discussed in Thread: EK-TM4C1294XL We use TM4C1299 with Microchip USB3320 ULPI PHY to achieve USB2.0 device. But when we test USB 2.0 device eye pattern, the test program shows " Operation Failed". It seems the test…

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