UM1537 datasheet(10/52 Pages) STMICROELECTRONICS

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Hardware layout and configuration

UM1537

10/52

Doc ID 023059 Rev 1

2.1

Development and debug support

Version 2 of the ST-LINK (ST-LINK/V2) is embedded on the board. This tool allows onboard

program loading and debugging of the STM32F051R8T6 using the SWD interface. The

third-party debug tools are also supported by the SWD connector CN10.

A specific driver must be installed on your PC for communication with the embedded ST-

LINK/V2. This driver, called ST-LINK_V2_USBdriver.exe is available on the web. To

download and install this driver, refer to the software and development tools page for the

STM32F0 family on www.st.com.

Third-party toolchains, such as Atollic TrueSTUDIO, Keil MDK-ARM, IAR EWARM and

TASKING VX-toolset for ARM Cortex-M, support ST-LINK/V2 according to Table 2.

The embedded ST-LINK/V2 is connected to the PC via a standard USB cable from

connector CN13. The bicolor LED LD7 (COM) indicates the status of the communication as

follows.

●

Slow blinking Red/Off: at power-on before USB initialization.

●

Fast blinking Red/Off: after the first correct communication between the PC and ST-

Link/V2 (enumeration).

●

Constant Red On: when initialization between the PC and ST-LINK/V2 is successfully

finished.

●

Constant Green On: after successful target communication initialization.

●

Blinking Red/Green: during communication with the target.

●

Red On: communication is finished and OK.

●

Orange On: communication failure.

Note:

The board can be powered via CN13 (embedded ST/LINK/V2 USB connector) even if an

external tool is connected to CN9 (high density SWD connector) or CN10 (SWD connector).

Table 2.

Third-party toolchain support

Manufacturer

Toolchain

From version...

Atollic

TrueSTUDIO

2.1

IAR

EWARM

6.20.4

Keil

MDK-ARM

4.20

TASKING

VX-toolset for ARM Cortex-M

4.0.1

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