ST-LINK/V2 Brief


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March 2016 DocID018751 Rev 4 1/4
ST-LINK/V2 in-circuit debugger/programmer for STM8 and STM32
Data brief
5 V power supplied by a USB connector
USB 2.0 full-speed-compatible interface
USB standard A to Mini- B cable
SWIM specific features
1.65 V to 5.5 V application voltage
supported on SWIM interface
SWIM low-speed and high-speed modes
SWIM programming speed rate:
9.7 Kbytes/s in low speed and
12.8 Kbytes/s in high speed
SWIM cable for connection to the
application via an ERNI standard
vertical connector (ref: 284697 or 214017)
or horizontal connector (ref: 214012)
SWIM cable for connection to the
application via a pin header or a 2.54 mm
pitch connector
JTAG/serial wire debugging (SWD) specific
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
Direct firmware update feature supported
Status LED which blinks during communication
with the PC
Operating temperature 0 to 50 °C
1000 Vrms high isolation voltage
(ST-LINK/V2-ISOL only)
1. The first figure at the top shows the
ST-LINK/V2-ISOL, while the second figure shows the
Description ST-LINK/V2
2/4 DocID018751 Rev 4
The ST-LINK/V2 is an in-circuit debugger and programmer for the STM8 and STM32
microcontroller families. The single wire interface module (SWIM) and JTAG/serial wire
debugging (SWD) interfaces are used to communicate with any STM8 or STM32
microcontroller located on an application board.
In addition to provide the same functionalities as the ST-LINK/V2, the ST-LINK/V2-ISOL
features digital isolation between the PC and the target application board. It also withstands
voltages of up to 1000 Vrms.
STM8 applications use the USB full-speed interface to communicate with the ST Visual
Develop (STVD) or ST Visual Program (STVP) software.
STM32 applications use the USB full-speed interface to communicate with Atollic®, IAR,
Keil® or TASKING integrated development environments.
DocID018751 Rev 4 3/4
ST-LINK/V2 Revision history
Revision history
Table 1. Document revision history
Date Revision Changes
21-Apr-2011 1Initial release.
07-May-2012 2 Added SWD to JTAG connection features.
14-Sep-2012 3 Added ST-LINK/V2-ISOL.
24-Mar-2016 4 Updated Vrms value in Features and Description.
4/4 DocID018751 Rev 4
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