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ST-LINK/V2 and ST-LINK/V2.1 USB Debugger Programmer with Original STM Chip - 7Semi
ST-LINK/V2 and ST-LINK/V2.1 USB Debugger Programmer with Original STM Chip - 7Semi
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- USB debugger and programmer for STM32 microcontrollers.
- Supports SWD (Serial Wire Debug) and JTAG interfaces.
- Compatible with STM32CubeIDE, Keil, IAR, Eclipse, and more.
- Real-time debugging: set breakpoints, step through code, monitor variables.
- Firmware upgradable via embedded ST-LINK server.
- Access to MCU memory and peripherals for detailed system analysis.
- Supports a wide range of STM32 devices.
- Simple target MCU switching with adapter boards.
ST-LINK/V2 and ST-LINK/V2.1 USB Debugger Programmer with Original STM Chip - 7Semi
Features:
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USB Protection: 500mA self-recovering fuse safeguards USB ports.
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Reliable Memory: Built with original STM32 128KB flash memory.
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Dual Voltage Output: Supplies 5V and 3.3V for external devices.
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Virtual COM Port: Enables easy serial debugging via VCP.
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Firmware Updates: Supports Direct Firmware Update (DFU) mode.
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High-Speed Debugging: Fast output via Single Wire Output (SWO).
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USB 2.0 Compatible: Full-speed USB communication support.
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Flexible Debugging: Supports JTAG, SWD, and SWV protocols.
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Wide Voltage Range: Operates between 1.65V and 3.6V (5V tolerant).
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Status Indicator: Communication activity shown via blinking LED.
- Temperature Range: Works between 0°C and 50°C.
ST-LINK/V2.1 Programmer Pinouts
Package Includes:
- 1 x 7Semi ST-LINK/V2 and ST-LINK/V2.1 USB Debugger Programmer
Specifications:
Specification | Details |
---|---|
Brand | 7Semi |
Chip | Original STM32 with 128KB Flash |
Interface | USB 2.0 Full Speed |
Programming/Debugging Interface | JTAG, SWD, SWV |
Output Voltage | 5V and 3.3V for external MCU |
Application Voltage | 1.65V to 3.6V (5V tolerant) |
Protection | 500mA Self-recovering Fuse |
Firmware Update Support | Yes (DFU Mode) |
Serial Debugging | Supports Virtual COM Port (VCP) |
Status Indicator | LED Blinks During Communication |
Dimensions (LxWxH) | 5 x 1.5 x 1 cm |
Weight | 13 gm |
Operating Temperature | 0°C to 50°C |
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy




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ADDITIONAL RESOURCES
Development Environment
The ST-LINK/V2.1 implementations embed an STM32 32-bit microcontroller based on the Arm Cortex‑M processor.
System requirements
Windows OS (7, 8 and 10), Linux 64-bit, or macOS
Development toolchains
- STM32 microcontrollers
- IAR Systems – EWARM (Windows Only)
- Keil - MDK-ARM (Windows Only)
- STMicroelectronics - STM32CubeIDE
- STMicroelectronics - STM32CubeProgrammer (STM32CubeProg)
- STMicroelectronics - STM32CubeMonitor