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ST/LINK-V/2 STM32H723ZGT6 program 1st time

by MDeac.1 in STM32 MCUs Boards and hardware tools
‎2024-01-18 5:03 PM
‎2024-01-18 5:03 PM
...oltage : 3.50V 19:35:36 : ST-LINK error (DEV_UNKNOWN_MCU_TARGET) 19:35:36 : ST-LINK SN : 52FF6B064849825028390367 19:35:36 : ST-LINK FW : V2J43S7 19:35:36 : Board : -- 19:35:36 : Voltage : 3.50V 19:3...
Labels:
  • Labels:
  • ST-Link
  • STM32H7 Series

no target found/DEV_UNKNOWN_MCU_TARGET

by MGuth.1 in STM32 MCUs Boards and hardware tools
‎2024-06-02 7:24 AM
‎2024-06-02 7:24 AM
...A14 SWDCLK     Now running STM32CubeProgrammer with this setup, I'm getting "Error: ST-LINK error (DEV_UNKNOWN_MCU_TARGET)" when using JTAG port and "Error: No STM32 target found......
Labels:
  • Labels:
  • STM32U5 series

Using STLink with STM32MP151 - illegal access erro...

by TCros.1 in STM32 MPUs Products and hardware related
‎2022-10-25 6:45 AM
‎2022-10-25 6:45 AM
...ort 1 If you are trying to connet to a device with TrustZone enabled please try to connect with HotPlug mode Error: DEV_UNKNOWN_MCU_TARGET Error: Cannot identify the device Some additional i...
Labels:
  • Labels:
  • STM32MP15 lines

Error when trying to debug code on custom board wi...

by DBurr in STM32 MCUs Boards and hardware tools
‎2020-05-26 2:16 PM
‎2020-05-26 2:16 PM
...Error: ST-LINK error (DEV_UNKNOWN_MCU_TARGET) 2nd connect tentative with a lower frequency (8MHz) ST-LINK SN : 003D00253038511834333935 ST-LINK FW : V3J6M2B4S1 Voltage : 3.31V Error: ST-LINK error...
Labels:
  • Labels:
  • ST-Link
  • STM32CubeIDE
  • STM32CubeProgrammer

How to regress from RDP level 2 to RDP level 0 on ...

by Diane POMABIA in STM32 MCUs
‎2023-06-27 12:38 AM
1 Kudo
‎2023-06-27 12:38 AM
1 Kudo
...After clicking on "ok" reconnect your card with STLINK, then check the device authentication ID by clicking on "Read."     3. Disable the RDP regression with a password. &n...
Labels:
  • RDP
  • STM32CubeProgrammer
  • STM32U5 series

Some STM32 do not like JTAG debugging

by Uwe Bonnes in STM32 MCUs Products
‎2024-05-08 7:07 AM
‎2024-05-08 7:07 AM
...5 : ST-LINK FW : V2J43S7 15:44:55 : Board : -- 15:44:55 : Voltage : 3,26V 15:44:55 : ST-LINK error (DEV_UNKNOWN_MCU_TARGET) 15:44:55 : ST-LINK SN : 51FF6D064888524933312587 15:4...
Labels:
  • Labels:
  • STM32H7 Series
  • STM32L4 series

STLINK-V3SET connection to STM32MP157C using CubeP...

by GHers.1 in STM32 MPUs Software development tools
‎2023-01-02 5:04 AM
‎2023-01-02 5:04 AM
...in 4, T_JTMS Pin 6, T_JCLK Pin 8, T_JTDO Pin 10, T_JTDI   The connection fails using the CubeProgrammer. I get the following message: "ST-LINK error (DEV_UNKNOWN_MCU_TARGET)". On t...
Labels:
  • Labels:
  • ST-Link
  • STM32MP15 lines

STLINK V3MINIE only working in command-line mode a...

by HagedornJ in STM32CubeProgrammer (MCUs)
‎2024-11-07 1:53 AM
‎2024-11-07 1:53 AM
...------------------------------------------------------------------- ST-LINK SN : 002E001C3033511835393935 ST-LINK FW : V3J15M6 Board : STLINK-V3MINIE Voltage : 3.30V Error: ST-LINK error (DEV_UNKNOWN_MCU_TARGET) 2...
Labels:
  • Labels:
  • STM32CubeProgrammer
  • STM32H7 Series

Unable to debug from STM32CubeIDE

by TomC1 in STM32CubeIDE (MCUs)
‎2024-04-10 4:02 AM
‎2024-04-10 4:02 AM
...: ST-LINK error (DEV_UNKNOWN_MCU_TARGET) 2nd connect tentative with frequency (8MHz) ST-LINK SN : 004C002F3532510F31333430 ST-LINK FW : V3J14M5B5S1 Board : STLINK-V3SET Voltage : 3.26V Error: ST...

Programming custom board STM32G0B1RET

by micropap in STM32 MCUs Products
‎2025-08-16 1:08 PM
‎2025-08-16 1:08 PM
...he response all time is: Not STM32 target found.. if I use SWD port.  If I use JTAG the response is:  ST-LINK error (DEV_UNKNOWN_MCU_TARGET) I've revised all the connections, voltages (b...
Labels:
  • Labels:
  • STM32G0 Series
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