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Hello Nino, it looks like bad quality control on NXP side: The chip is not soldered properly on the board! I found out could connect more often when touching the chip itself. After some retouching with an solder iron I can now reliably connect to the part. Erasing still fails with the same error though. J-Link SW Version is 6.30i. EDIT: Feel free to close this thread as the reason for the failure is most likely not caused by SEGGER. Thank for your time. Best Regards, Timo
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Hello together, I want to flash a LPC8N04 device with my J-Link EDU device. Unortunately I rarely can even connect to the device. If connection works and I try to execute the erase command following error message is shown: Source Code (27 lines) How can I programm this MCU? Additional Information: VTref detection works. When I press the reset button the LED at J-Link turns orange. SWDIO and SWDCLK linkes show activity (checked with oscilloscope) -> I assume connection between MCU und J-Link is c…
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This may be related: [SOLVED] SEG-JLINk for STM32
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Hello, it’s me again. This time with a bug report regarding the virtual com port. Receiving data from the mcu to the computer work well. If I try to send data from the computer to the mcu I get following: [img]http://i.imgur.com/XlMQgig.png[/img] The last byte is always corrupted. My COM port settings are 115200bit/s, 8 data bits, 1 stop bit, no parity. Other baudrates don’t work either. For reference see the waveform of the original ST-LinkV2 firmware with same settings: [img]http://i.imgur.com…
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Thank you Niklas. Works like a charm (Segger Firmware) on another windows 7 computer. I’ll try to reinstall drivers on my Windows 10 computer later maybe that’ll fix it. EDIT: Removed segger drivers and reinstalled them. Now everything works.
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It looks like the STLinkReflash utility bricked my stm32nucleo f446re board. Windows device manager shows a connected j-link device: [img]http://qs.lc/ntzde[/img] J-Link configurator does not detect any device though and STLinkReflash cannot revert to the original ST-Link Firmware nor uprgade to the segger firmware. OS is windows 10 and I tried different USB ports without success. What options do I have now?