ST-LINK/V2.1 and ST-LINK/V2 Debugger Programmer USB, Original STM Chip

7Semi
SKU
PR-10111

Programs and debugs STM32 microcontrollers through USB using SWD or JTAG.

7Semi ST-Link V2 USB programmer and debugger featuring USB interface, SWD and SWIM programming support, and pin header connections for STM8 and STM32 microcontroller development.
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$5.98

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About this product

The 7Semi ST-LINK Debugger and Programmer is a compact USB development tool designed for programming, debugging, and serial communication with compatible STM32 microcontrollers. It provides an exposed SWD interface with SWDIO and SWCLK, enabling firmware programming, memory access, breakpoint control, and in-circuit debugging during embedded application development.

In addition to the primary SWD interface, the programmer exposes SWO for real-time trace, RST for target reset control, and TX/RX connections for Virtual COM Port (VCP) serial communication. Dedicated 3.3 V and 5 V power connections, ground, and target-power connectivity provide flexible interfacing with development boards and custom STM32 hardware.

The programmer connects to a host computer through USB and is compatible with commonly used STM32 development tools such as STM32CubeIDE and STM32CubeProgrammer. Its expanded target connections make it suitable for firmware development, debugging, serial monitoring, prototyping, testing, and production programming of STM32-based systems.

Features
  • STM32 Microcontroller Support: Designed for programming and debugging compatible STM32 microcontrollers.
  • SWD Programming and Debugging: Provides SWDIO and SWCLK connections for firmware programming and in-circuit debugging.
  • Serial Wire Viewer Support: Exposes the SWO signal for real-time trace and debugging on compatible STM32 devices.
  • Virtual COM Port Support: Provides TX and RX connections for serial communication between the target MCU and host computer.
  • Target Reset Control: Exposes the RST connection for convenient hardware reset control during programming and debugging.
  • Dual Target Power Outputs: Provides 3.3 V and 5 V connections for interfacing with compatible target hardware.
  • USB 2.0 Full-Speed Interface: Provides reliable communication between the programmer and host computer.
  • USB Port Protection: Features onboard resettable protection to help protect the host USB connection.
  • Firmware Upgrade Support: Supports compatible ST-LINK firmware upgrade functionality.
  • LED Status Indication: Provides visual feedback during host communication and programming operations.

ST-LINK/V2.1 Programmer Pinouts

Connection With Target MCU STM32

 

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