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Hello, For the automated testing tool we have to close debug port of Cortex M4 to bring current consumption down, to standard operating level. The testing procedure will like this: 1. connect to a target device 2. send command via RTT to start test 3. disconnect 4. measure current Is there a function in JLinkExe / JLinkDLL which does that? I assume something should be send to the uC to close the debug port, is there a register which does this, please? Kind regards, Krzysztof
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Thank you Nino for your help. It turned out that we had a capacitor missing on pin 30 PB11/VCAP1, once we added this capacitor J-Link works as expected. Kind regards, Krzysztof
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Hello Nino, We have tried the same flasher with a NUCLEO-F411RE too and everything seems to work fine but on our custom board we can't program uC. We use 4 pins SWD (VCC, GND, CLK, IO). Do you have any idea why this works fine with ST-Link but we can't use J-Trace? Kind regards, Krzysztof
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Hello Nino, This looks exactly the same with the newest J-Link (V6.30c) and reset before erase / loadbin. Regards, Krzysztof Quote: “$ JLinkExe -device STM32F411RE -speed 4000 -if SWD SEGGER J-Link Commander V6.30c (Compiled Feb 9 2018 17:21:42) DLL version V6.30c, compiled Feb 9 2018 17:21:32 Connecting to J-Link via USB...O.K. Firmware: J-Trace PRO V1 Cortex-M compiled Feb 2 2018 18:26:42 Hardware version: V1.00 S/N: 751000106 License(s): RDI, FlashBP, FlashDL, JFlash, GDB IP-Addr: 192.168.0.2…
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Hi, I'm trying to flash STM32F411RE using J-Track for ARM Cortex-M, it seems that the flasher connects fine to the device but when I try to erase or loadbin the "Timeout while checking target RAM" error occurs. Is there something with my flashing process, please? Log from JLinkExe is attached below. ----- Update ----- And we were able to flash this uC using ST-Link flasher. --------------------- Kind Regards, Krzysztof " $ JLinkExe -device STM32F411RE -speed 4000 -if SWD SEGGER J-Link Commander …