Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [j-link]

For questions related to the Segger J-Link series of JTAG programmer / debuggers.

The Segger J-Link is a popular JTAG programmer / debugger supported by GDB (The GNU Project Debugger) and many proprietary development environments. It has support for the ARM 7/9/11, Cortex, Microchip PIC32 and Renesas RX CPUs. See the Debug Probes - J-Link and J-Trace page for more information.

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Freescale Kinetis KE - writing to flash

I've been using various microcontrollers and microprocessors for many, many years now but I seem to be stymied by the Kinetis KE series (specifically the S9KEAZN64AMLC). Jan 17, 2015 TL;DR: Freescale confirms that v2.0.0 of their Kinetis Design…
akohlsmith
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USB-C Debug Accessory Mode and USB 2.0

I want to build an embedded device which is using a USB-C for debugging purposes and USB 2 functionality. Now I am not sure whether or not I understood the USB-C Standard correctly. Is it correct, that if I connect the CC1 and CC2 to pin with a…
NIN
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Possible to use Segger J-Link with Intel Quartus to flash FPGA?

Does anybody know if it's possible to use a Segger J-Link with Intel Quartus to flash an FPGA?
SofaKng
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SAMD21 - How do I write to NVM fuses?

I'm trying to program the ATSAMD21G18 on Adafruit Feather M0 and over SWD Using a Segger J-Link EDU Nano. When I try to download the program to the chip through Atmel Studio it fails verification at address 0x000000. This result is explained by the…
chamod
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Why doesn't my program execute (work)?

I have bought this board for working on Cortex-M0 series microcontrollers. its MCU is STM32F030F4P6. this is the board: and its schematic: I used STM32CubeMX for configure the MCU and then used MDK-5 (keil uvision) for writing a Blink program.…
Roh
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Added value of debugging probes (ST-LINK, JLink, ...)

I've been working in embedded programming for a few years now, and there is something I still don't quite understand about debugging protocols and probes. So as I understand it, to program and debug an MCU, we use protocols such as SWD, JTAG,…
sydpy
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Run a RAM app via JLink

I need to run a RAM app on an imx rt 1024, through JLink. What works I have a simple SDK example (blink) which is compiled to SRAM (0x20000000 on the imx rt). When I launch that project from the IDE, it runs. I can verify in the debugger that it's…
bas
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Segger J-tag vs J-link

Are Segger J-tag and J-link the same thing or are these two different things? I could not find helpful answers yet.
naveed
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Can I leave SWO/TDO and TDI of J-Link floating?

I'm designing a board with cortex-m4f having only SWDIO and SWCLK. I'm drawing schematics for J-Link's 9-pin JTAG/SWD connector, and I wonder if I can leave the SWO/TDO and TDI pins floating. J-Link's user guide says that: Pin 6(SWO/TDO): JTAG data…
Inbae Jeong
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segger j-link not connect to STM32F030F4P6

I use segger j-link v8, I believe programmer is true,because I could programmer stm32vldiscovery board with stm32f100rb cpu (by this help) but when I try to connct STM32F030F4P6(TSSOP20) ,it fails.. I guess there is problem on VTref pin(pin 1 on…
peyman khalili
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Unable to enter in Programming mode (AT_Studio)

I've a board with the SAML21E17B uC, when I want to connect/ program it using JLink(edu) and Atmel Studio I get and error message, that the IDE is unable to enter the programming mode any idea what's the problem and how may I solve it ?…
Engine
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J-link CDC serial port driver problem

I have an on board J-link debugger on my Infineon Relax kit. I'm trying to use my J-link as a serial interface to my PC. It requires CDC serial port driver and I have installed it. Problem is that, I'm unable to see any COM port in my device manager…
Saqib Ahmed
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"Could Not Verify ST Device" when flashing STM32H747XIH6 over SEGGER J-link within STM32CubeIDE

Im trying to flash/debug a STM32H747XIH6 over J-link within STM32CubeIDE. One of the two cores, the CM7, flashes fine and i can enter the debugger. However when i try to flash the other core, the CM4, i get a popup with "Could Not Verify ST Device",…
Caspar Westerberg
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STM32F407VG Discovery Board, on board ST Link not recognized, but the pc recognized J Link is connected

So I have a STM32F407VG Discovery Board, the board has ST Link. But when I connect the usb to my pc, the ide that I used does not recognized it. I used atollic and stm32cube ide. But when I check my device manager, there is a device connected named…
LazyEmperor
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Programming a Microcontroller - JTAG and SWD

I have this Microcontroller - S32K118 64 pins. I want to load my software datafile into the microcontroller using the debugger mentioned below. I am using this J-LINK Segger BASE debugger model to program my microcontroller. I have a Windows OS and…
user220456
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