STM32 ecosystem outlines AN4989
18/118 AN4989 Rev 3
ST-LINK/V2 basic features
• 5 V power supplied by a USB connector
• USB 2.0 full-speed-compatible interface
• USB standard Type-A to Mini- B cable
• JTAG/serial wire debug (SWD) specific features:
– 1.65 V to 3.6 V application voltage supported on the JTAG/SWD interface and 5 V
tolerant inputs
– JTAG cable for connection to a standard JTAG 20-pin pitch 2.54 mm connector
– JTAG supported
– SWD and serial wire viewer (SWV) communication supported
• Device Firmware Upgrade (DFU) feature supported
• Status LED which blinks during communication with the PC
• Operating temperature 0 °C to 50 °C
• 1000 V rms high-isolation voltage (ST-LINK/V2-ISOL only)
Embedded versions usually supports the following additional features:
• Virtual COM port interface on USB. (VCP)
• Mass storage interface on USB
The availability of these additional features depends on software version.
ST-LINK-V3 basic features
• Stand-alone probe with modular extensions
• Self-powered through a USB connector (Micro-B)
• USB 2.0 high-speed compatible interface
• Direct firmware update support (DFU)
• JTAG / serial wire debugging (SWD) specific features:
– 3 V to 3.6 V application voltage support and 5 V tolerant inputs
– Flat cables STDC14 to MIPI10 / STDC14 / MIPI20 (connectors with 1.27 mm
pitch)
– JTAG communication support
– SWD and serial wire viewer (SWV) communication support
• Virtual COM port (VCP) specific features:
– 3 V to 3.6 V application voltage support on the UART interface and 5 V tolerant
inputs
– VCP frequency up to 15 MHz
– Available on STDC14 debug connector (not available on MIPI10)
• Multi-path bridge USB to SPI/UART/I2C/CAN/GPIOs specific features:
– 3 V to 3.6 V application voltage support and 5 V tolerant inputs
– Signals available on adapter board only (MB1440)
• Drag-and-drop flash programming of binary files
• Two-color LEDs: communication, power
Note: The STLINK-V3SET product does not provide power supply to the target application.
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