STMicroelectronics ST-LINK, ST-LINK/V2, ST-LINK/V2-ISOL STM32 ST-LINK Utility User manual

UM0892

User manual

STM32 ST-LINK Utility software description

Introduction

The STM32 ST-LINK Utility software facilitates fast in-system programming of the STM32 microcontroller families in development environments via the tools, ST-LINK and

ST-LINK/V2.

This is the STM32 ST-LINK Utility user manual, describing its software functions. When working with the STM32 ST-LINK Utility, you are encouraged to download the

ST-LINK in-circuit debugger/programmer user manual (UM0627)

or the

ST-LINK/V2 in-circuit debugger/programmer user manual (UM1075)

for the STM8 and STM32 which provide more information about the ST-LINK tools.

Table 1.

Applicable tools

Type

Development tools

Part number

ST-LINK, ST-LINK/V2

April 2013 Doc ID 16987 Rev 11 1/37

www.st.com

Contents

Contents

1

2

3

4

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Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.1

System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.2

Hardware requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.3

Installing the STM32 ST-LINK Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.4

Uninstalling the STM32 ST-LINK Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

STM32 ST-LINK Utility user interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1

Main window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2

Menu bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.2.1

2.2.2

2.2.3

2.2.4

2.2.5

2.2.6

2.2.7

File menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Edit Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

View menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Target menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

ST-LINK menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

External Loader menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Help menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

STM32 ST-LINK Utility features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.1

Device information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.2

Memory display and modification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.3

Flash memory erase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

3.4

Device programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.5

Option bytes configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.6

MCU core functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.7

Automatic mode functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3.8

Developing custom loaders for external memory . . . . . . . . . . . . . . . . . . . 24

3.9

Printf via SWO Viewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

STM32 ST-LINK Utility command line interface (CLI) . . . . . . . . . . . . . . 26

4.1

Command line usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

4.1.1

4.1.2

4.1.3

Connection and memory manipulation commands . . . . . . . . . . . . . . . . 26

Core commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Flash commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

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Contents

4.1.4

4.1.5

4.1.6

Option byte commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

External memory command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

ST-LINK_CLI return codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

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List of tables

List of tables

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Table 1.

Table 2.

Table 3.

Applicable tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

ST-LINK_CLI return codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

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List of figures

List of figures

Figure 1.

STM32 ST-LINK Utility user interface main window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 2.

File menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 3.

Edit menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 4.

View menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 5.

Target menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 6.

ST-LINK menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 7.

External Loader menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 8.

External Loader window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 9.

External Loader submenus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 10.

External memory grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 11.

Help menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 12.

Device information zone in the main user interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 13.

STM32 ST-LINK Utility user interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 14.

Flash Memory Mapping dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 15.

Open file dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 16.

Device programming dialog box (programming). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 17.

Option Bytes dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 18.

MCU Core panel dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 19.

Automatic mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 20.

Serial Wire Viewer window (SWV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

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Getting started UM0892

This section describes the requirements and procedures to install the STM32 ST-LINK Utility software.

1.1 System

●

●

The STM32 ST-LINK Utility PC configuration requires as a minimum:

●

PC with USB port and Intel

®

Pentium

®

processor running a 32-bit version of one of the following Microsoft

®

operating systems:

– Windows

®

XP

– Windows 7

256 Mbytes of RAM

30 Mbytes of hard disk space available

Note:

The STM32 ST-LINK Utility is designed to work with:

●

STM32 F0, STM32 F1, STM32 F2, STM32 F3, STM32 F4, STM32 L1, and STM32W series

● ST-LINK or ST-LINK/V2 or ST-LINK/V2-ISOL in-circuit debugger/programmer probe

In this document, ST-LINK/V2 refer to ST-LINK/V2 and ST-LINK/V2-ISOL which are functionally equivalent.

Follow these steps and the on-screen instructions to install the STM32 ST-LINK Utility.

1.

Download the compressed STM32 ST-LINK Utility software from the ST website.

2. Extract the contents of the .zip file into a temporary directory.

3. Double-click the extracted executable, setup.exe, to initiate the installation, and follow the on-screen prompts to install the STM32 ST-LINK Utility in the development environment. Documentation for the Utility is located in the subdirectory \Docs where the STM32 ST-LINK Utility is installed.

Follow these steps to uninstall the STM32 ST-LINK Utility.

1.

Select Start | Settings | Control Panel.

3. Select STM32 ST-LINK Utility.

4. Click on the Remove button.

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2

STM32 ST-LINK Utility user interface

STM32 ST-LINK Utility user interface

Figure 1.

STM32 ST-LINK Utility user interface main window

Title bar

Menu bar

Main window

Status bar

MS31217V2

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STM32 ST-LINK Utility user interface UM0892

●

●

●

●

●

The main window is composed of three zones and three bars as illustrated in

Figure 1

:

Memory display zone

Device information zone

Memory contents zone

– LiveUpdate checkbox to update Memory data in real time

(This feature is described in more detail in

Section 3.2

)

Title bar: name of the current menu

Menu bar: Use the menu bar to access the following STM32 ST-LINK Utility functions:

– File menu

– Edit menu

– View menu

– Target menu

– Help menu

These menus are described in more detail in

Section 2.2

.

●

Status window: The status bar displays:

– Connection status and debug interface

– Device ID

– Core State (active only when LiveUpdate feature is active and memory grid is selected)

The STM32 ST-LINK Utility user interface also provides additional forms and descriptive pop-up error messages.

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The Menu bar allows users to execute the STM32 ST-LINK Utility software features.

Figure 2.

File menu

Open file...

Save file as…

Opens a binary, Intel Hex or Motorola S-record.

Saves the content of the memory panel into a binary, Intel Hex or Motorola Srecord.

Close File

Closes the loaded file.

Compare two files

Compares two binary, hex, or srec files. The difference is colored in red in the file panel. If a file contains a section with an address range that is unavailable in the other file, this section will be colored in violet.

Exit

Closes the STM32 ST-LINK Utility program.

Figure 3.

Edit menu

Cut

Copy

Paste

Delete

Find Data

Cut the selected cells on file or memory grid.

Copy selected cells on file or memory grid.

Paste the copied cells in the selected position in file or memory grid.

Delete the selected cells on file or memory grid.

Find data in binary or Hex format in file or memory grid.

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STM32 ST-LINK Utility user interface

Fill Memory

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Fill file or memory grid with the chosen data starting from the chosen address.

Figure 4.

View menu

Binary file

Device memory

Displays the content of the loaded binary file.

Displays the content of the device memory.

External memory

Displays the content of the external memory.

Figure 5.

Target menu

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Connect

Connects to the target device and displays the Device Type, Device ID and

Flash memory size in the device information zone.

Disconnect

Disconnects from the target device.

Erase Chip

Erase Bank1

Erase Bank2

Erase Sectors…

Program…

Performs a Flash memory mass erase and then displays the Flash memory content in the memory panel.

Erases bank 1 of the Flash memory. This menu is enabled only when connected to an XL-density device.

Erases bank 2 of the Flash memory. This menu is enabled only when connected to an XL-density device.

Selects sector(s) to erase using the erase sectors dialog window (see

Section 3.3: Flash memory erase

for more details).

Loads a binary, Intel Hex or Motorola S-record file into the device memory

(Flash or RAM). To do this, select a binary, Intel Hex or Motorola S-record file, enter the start address (where to put the file in the device) in the program

dialog window and then click on program button (see

Section 3.4: Device programming

).

Program & Verify…

Loads a binary, Intel Hex or Motorola S-record file into the device memory

(Flash or RAM) then performs a verification of the programmed data.

Blank Check

Verifies that the STM32 Flash memory is blank. If the Flash memory is not blank, the first address with data is highlighted in a prompt message.

Compare device memory with file

Option Bytes…

MCU Core…

Automatic Mode...

Settings...

Compares the MCU device memory content with a binary, hex, or srec file. The difference is colored in red in the file panel.

Opens the Option Bytes dialog window (See

Section 3.5: Option bytes configuration

for more details).

Opens the MCU Core dialog window (See

Section 3.6: MCU core functions

for

more details).

Opens the Automatic mode dialog window (See

Section 3.7: Automatic mode functions

for more details).

Opens the Settings dialog box to select the debug interface (JTAG or SWD).

The “connect under reset” option allows you to connect to the target before executing any instruction.

This is useful in many cases like when the target contains a code that disables the JTAG/SWD pins.

The “HotPlug” option allows you to connect to the target without halt or reset.

This is useful to update RAM addresses or IP registers while application is running.

When connecting to the target via an ST-LINK/V2, the “Supply voltage” combo box displays the target voltage.

When connecting to an STM32 F2 or STM32 F4 device using an ST-LINK, the

“Supply voltage” combo allows you to select the supply voltage of your target to be able to correctly program the Flash memory.

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STM32 ST-LINK Utility user interface

Note:

UM0892

The “connect under reset” option is available only with ST-LINK/V2 and in SWD mode.

For JTAG mode, “connect under reset” is available since ST-LINK/V2 firmware

Version V2J15Sx.

The RESET pin of the JTAG connector (pin 15) should be connected to the device reset pin.

The “HotPlug” option is available in SWD mode.

For JTAG mode, “HotPlug” has been available since ST-LINK firmware Version V2J15Sx.

Figure 6.

ST-LINK menu

2.2.6

Firmware update

Printf via SWO viewer

Displays the version of ST-LINK and ST-LINK/V2 firmware and updates it to the last version:

ST-LINK: V1J13S3

ST-LINK/V2: V2J17S4

Displays printf data sent from target via SWO (see

Section 3.9: Printf via SWO Viewer

for more details).

External Loader menu

Figure 7.

External Loader menu

The STM32 ST-LINK Utility includes the Add External Loader submenu which allows to select the external loaders to be used by the ST-LINK Utility to read, program or erase external memories.

The external loaders must be added in the ExternalLoader directory located under the ST-

LINK Utility directory (see

Section 3.8: Developing custom loaders for external memory

for more details on how to create a custom loader).

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Figure 8.

External Loader window

STM32 ST-LINK Utility user interface

When the external loaders have been selected in the External Loader dialog box (see

Figure 8: External Loader window

), new submenus are displayed, one per each external loader selected. They offer all the functions (Program, Sector Erase...) available in the corresponding external loader (see

Figure 9: External Loader submenus

).

Figure 9.

External Loader submenus

The contents of the external memory is displayed in the External Memory grid (see

Figure 10: External memory grid

).

Selecting the Close external memory grid submenu shuts down the External Memory

grid window.

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STM32 ST-LINK Utility user interface

Figure 10.

External memory grid

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Note: Only 10 external loaders can be selected at the same time.

The external memories connected to the STM32 MCU via FSMC can be accessed automatically through the Device Memory Grid if the corresponding external loader has already been added by using the Add External Loader submenu.

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Figure 11.

Help menu

STM32 ST-LINK Utility user interface

STM32 ST-LINK Utility User Manual

ST-LINK User Manual

ST-LINK/V2 User Manual

About...

Opens the

STM32 ST-LINK Utility User Manual

.

Opens the

ST-LINK User Manual

.

Opens the

ST-LINK/V2 User Manual

.

Displays STM32 ST-LINK Utility software version and copyright information.

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STM32 ST-LINK Utility features

3 STM32 ST-LINK Utility features

UM0892

●

●

●

●

●

●

●

This section provides a detailed description of how to use STM32 ST-LINK Utility features:

Device information

Memory display and modification

Flash memory erase

Device programming

Option bytes configuration

MCU core functions

Automatic mode functions

.

The Device information zone displays information as shown in

Figure 12

.

Figure 12.

Device information zone in the main user interface

3.2

Device:

Device ID:

Revision ID:

Flash size:

Family of the connected STM32 device. Each device type includes many devices with different characteristics such as Flash memory size, RAM size and peripherals.

MCU device ID code located in the external PPB memory map

The revision ID of the connected MCU device

Size of the on-chip Flash memory

Memory display and modification

●

●

In addition to the Device information zone, the main window contains 2 other zones:

Memory display

Memory data

Memory display: This zone contains three edit boxes:

Address:

Memory start address from which you want to read.

Size:

Amount of data to read.

Data width:

Width of the displayed data (8-bit, 16-bit or 32-bit).

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Memory data: This zone displays the data read from a file or the memory content of a connected device. You can modify the content of the file before downloading.

● To use this zone to display the content of a binary, Intel Hex or Motorola S-record file, go to File | Open file...

●

●

To use this zone to read and display memory content of a connected device, enter the memory start Address, data Size and the Data Width in the Memory display zone and then press Enter.

After reading data, you can also modify each value merely by double-clicking on the

concerned cell as illustrated by

Figure 13

. You can also save the device memory content into a binary, Intel Hex or Motorola S-record file using the menu File | Save file

as...

●

When LiveUpdate feature is used the device memory grid will be updated in real time and the data that have been modified will be colored in red.

Figure 13.

STM32 ST-LINK Utility user interface

Note: When the Memory data zone displays device memory contents, any modification is automatically applied to the chip. You can modify user Flash memory, RAM memory and peripherals registers.

For the STM32 F2 and STM32 F4 devices, you can modify the OTP area directly from the memory data zone.

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STM32 ST-LINK Utility features

3.3

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Flash memory erase

There are two types of Flash memory erase:

●

Flash mass erase: Erase all the memory Flash memory sectors of the connected device. This is done by clicking on the menu Target | Erase Chip.

● Flash Sector Erase: Erase the selected sector(s) of the Flash memory. To select sector(s), go to Target | Erase Sectors... which then displays the Flash Memory

Mapping dialog box where you select the sector(s) to erase as shown in

Figure 14

.

– Select all button selects all the Flash memory pages.

– Deselect all button deselects all selected page.

– Cancel button discards the erase operation even if some pages are selected.

– Apply button erases all the selected pages.

Figure 14.

Flash Memory Mapping dialog box

Note: To erase the Flash data memory sector of the ultralow power STM32 L1 devices, select the data memory box at the end of the list and click Apply.

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The STM32 ST-LINK Utility can download binary, Hex, or srec files into Flash or

RAM memory. To do this, follow these steps:

1.

Click on Target | Program... (or Target | Program & Verify... if you want to verify the written data) to open the Open file dialog box as shown in

Figure 15

.

If a binary file is already opened, go to step

3.

Figure 15.

Open file dialog box

2. Select a binary, Intel Hex or Motorola S-record file and click on the Open button.

3. Specify the address from which to start programming as shown in

Figure 16

, it may be a Flash or RAM address.

Figure 16.

Device programming dialog box (programming)

Note:

4. Finally, click on the Start button to start programming. If you selected Target | Program

& Verify... in the first step, a check is done during programming operation. If the “Reset after programming” box is checked, an MCU reset will be issued.

The STM32 F2 and STM32 F4 series supports different programming modes depending on the MCU supply voltage. When using ST-LINK, the MCU supply voltage should be specified

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in the Target | Settings Menu to be able to program the device with the correct mode. When

using ST-LINK/V2, the supply voltage is detected automatically.

If the device is read-protected, the protection will be disabled. If some Flash memory pages are write-protected, the protection will be disabled during programming and then recovered.

The STM32 ST-LINK Utility can configure all the option bytes via the Option Bytes dialog box shown in

Figure 17

which is accessed by Target | Option Bytes....

The Option Bytes dialog box contains the following sections:

●

Read Out Protection: Modifies the read protection state of the Flash memory.

For STM32 F0, STM32 F2, STM32 F3, STM32 F4 and STM32 L1 devices, read protection levels are available:

– Level 0: no read protection

– Level 1: memory read protection enabled

●

– Level 2: memory read protection enabled and all debug features disabled.

For the other devices, the read protection can only be enabled or disabled.

BOR Level: Brownout reset level. This list contains the supply level threshold that activates/releases the brownout reset. This option is enabled only when connected to the STM32 L1, STM32 F2 and STM32 F4 device.

For ultralow power devices, 5 programmable VBOR thresholds can be selected:

– BOR LEVEL 1: Reset threshold level for 1.69 to 1.8 V voltage range

– BOR LEVEL 2: Reset threshold level for 1.94 to 2.1 V voltage range

– BOR LEVEL 3: Reset threshold level for 2.3 to 2.49 V voltage range

– BOR LEVEL 4: Reset threshold level for 2.54 to 2.74 V voltage range

– BOR LEVEL 5: Reset threshold level for 2.77 to 3.0 V voltage range

For STM32 F2 and STM32 F4 devices, 4 programmable VBOR thresholds can be selected:

●

– BOR LEVEL 3: Supply voltage ranges from 2.70 to 3.60 V

– BOR LEVEL 2: Supply voltage ranges from 2.40 to 2.70 V

– BOR LEVEL 1: Supply voltage ranges from 2.10 to 2.40 V

– BOR off: Supply voltage ranges from 1.62 to 2.10 V

User Configuration option byte:

– WDG_SW: If checked, the watchdog is enabled by software. Otherwise, it is automatically enabled at power-on.

– nRST_STOP: If not checked, a reset is generated when entering Standby mode

(1.8V domain powered-off). If checked, no reset is generated when entering

Standby mode.

– nRST_STDBY: if not checked, reset is generated when entering Stop mode (all clocks are stopped). If checked, no reset is generated when entering Stop mode.

– nBFB2: If not checked, and if the boot pins are set to make the device boot from the user Flash at startup, the device boots from Flash memory bank 2; otherwise,

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●

●

● it boots from Flash memory bank 1. This option is enabled only when connected to a device containing two Flash banks.

– nBoot1: Together with the BOOT0 pin, selects the Boot mode: nB00T1 checked/unchecked and BOOT0=0 => Boot from Main Flash memory.

nB00T1 checked and BOOT0 =1 => Boot from System memory.

nB00T1 unchecked and BOOT0 =1 => Boot from Embedded SRAM.

nBoot1 is available only on STM32 F0 and STM32 F3.

– VDDA_Monitor: Selects the analog monitoring on VDDA Power source:

If checked, VDDA power supply supervisor is enabled; otherwise, it is disabled.

VDDA is available only on STM32 F0 and STM32 F3.

– nSRAM_Parity: This bit allows the user to enable the SRAM hardware parity check.

If checked, SRAM parity check is disabled; otherwise, it is enabled.

nSRAM_Parity is available only on STM32 F0 and STM32 F3.

– SDADC12_VDD_Monitor:

If checked, SDADC12_VDD power supply supervisor is enabled; otherwise, it is disabled.

SDADC12_VDD_Monitor is available only on STM32F37x.

User data storage option bytes: Contains two bytes for user storage. These two option bytes are not available in the STM32 F0, STM32 F2, STM32 F3,STM32 F4 and

STM32 L1 devices.

Flash Sectors Protection: Depending on the connected device, Flash sectors are grouped by a defined number of pages. You can modify the write protection of each

Flash sector here.

For devices supporting PCRop feature, it is possible to enable/disable the Read protection of each sector. The “Flash protection mode” allows you to choose between read or write protection.

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STM32 ST-LINK Utility features

Figure 17.

Option Bytes dialog box

UM0892

For more details, please refer to the Option Bytes section in the Flash programming manual and reference manual available from www.st.com.

22/37 Doc ID 16987 Rev 11

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3.6

STM32 ST-LINK Utility features

MCU core functions

●

●

●

●

●

●

The Core panel dialog box shown in

Figure 18

, displays the Cortex™-M3 core register values. It also allows you to carry out the following actions on the MCU, using the buttons on the right:

Run: Run the core.

Halt: Halt the core.

System Reset: Send a system reset request.

Core Reset: Reset the core.

Step: Execute only one step core instruction.

Read Core Reg: Update the core registers values.

Figure 18.

MCU Core panel dialog box

Note: The PC and MSP registers can be modified from this panel.

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STM32 ST-LINK Utility features

3.7

UM0892

Automatic mode functions

●

●

●

●

●

The Automatic Mode dialog box shown in

Figure 19

allows programing and configuring

STM32 devices in loop. It allows you to carry out the following actions on the STM32 device:

Full chip erase

Flash programming

Verify

Option bytes configuration

Run application

Clicking on the Start button will execute the selected actions on the connected STM32 device and will wait to repeat the same actions after disconnecting the current device and connecting the new device.

Figure 19.

Automatic mode

Note:

3.8

If the user deselects Flash programming action while the STM32 Flash memory is readout protected, it will be automatically unprotected.

If the user deselects Flash programming action while some or all STM32 Flash memory are write-protected, they will be automatically unprotected and restored after programming operation.

Connection to the device should be established to be able to select the option Bytes configuration using the configure button.

The connected devices should be derivatives of the same STM32 family and will be all connected in the same mode (JTAG or SWD).

Developing custom loaders for external memory

The users can develop their own custom loaders for a given external memory using examples available under the ExternalLoader directory.

These examples are available for three toolchains: MDK-ARM, EWARM and TrueSTUDIO.

The development of the custom loaders can be performed using one of the three toolchains keeping the same compiler/linker configurations as the examples.

24/37 Doc ID 16987 Rev 11

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Note:

STM32 ST-LINK Utility features

To create a new external memory loader, follow the steps below:

1.

Update the device information in StorageInfo structure in the Dev_Inf.c file with the correct information concerning the external memory.

2. Rewrite the corresponding functions code in the Loader_Src.c file.

3. Change the output file name.

Some functions are mandatory and cannot be omitted (see functions description in the

Loader_Src.c file).

Linker or scatter files should not be modified.

The Loader_Src.c functions must always return ‘1’ when the operation succeeded or ‘0’ if it failed.

After building the external loader project, the output file extension must be changed to ‘.stldr’ and the file must be copied under ExternalLoader directory.

3.9 Printf via SWO Viewer

The Printf via SWO Viewer displays the printf data sent from the target through SWO. It allows to display some useful information on the running firmware.

Before starting receiving SWO data, the user has to specify the exact target system clock frequency to allow the tool to correctly configure the ST-LINK and the target for the correct

SWO frequency. The Stimulus port combo box allows the user to choose either a given ITM

Stimulus port (from port 0 to 31) or to receive data from all ITM Stimulus ports simultaneously.

Figure 20.

Serial Wire Viewer window (SWV)

Note:

The SWV information bar displays useful information on the current SWV transfer such as the SWO frequency (deduced from the system clock frequency), and the received

(expressed in bytes).

Some SWV bytes could be lost during transfer due to ST-LINK hardware buffer size limitation.

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STM32 ST-LINK Utility command line interface (CLI)

4 STM32 ST-LINK Utility command line interface (CLI)

UM0892

4.1.1

Note:

The following sections describe how to use the STM32 ST-LINK Utility from the command line.

The ST-LINK Utility command line interface is located at the following address:

[Install_Directory]\STM32 ST-LINK Utility\ST-LINK Utility\ST-LINK_CLI.exe

Connection and memory manipulation commands

-c

Description: Selects JTAG or SWD communication protocol. By default, JTAG protocol is used.

Syntax: -c [JTAG/SWD] [UR/HOTPLUG]

[UR]

: Connect to target under reset.

[HOTPLUG]

: Connect to target without halt or reset.

Example: -c SWD UR

[UR] available only with ST-LINK/V2 and in SWD mode.

For JTAG mode, connect under reset is available since ST-LINK firmware Version V2J15Sx.

The RESET pin of the JTAG connector (pin 15) should be connected to the device reset pin.

[HOTPLUG] available in SWD mode.

For JTAG mode, HotPlug Connect has been available since ST-LINK firmware

Version V2J15Sx.

Note:

Note:

-Q

Description: Enable quiet mode. No progress bar displayed.

-w8

Description: Writes 8-bit data to the specified memory address.

Syntax: -w8 <Address> <data>

Example: -w8 0x20000000 0xAA

-w8 supports writing to Flash memory, OTP, SRAM and R/W registers.

-w32

Description: Writes 32-bit data to the specified memory address.

Syntax: -w32 <Address> <data>

Example: -w32 0x08000000 0xAABBCCDD

-w32 supports writing to Flash memory, OTP, SRAM and R/W registers.

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UM0892 STM32 ST-LINK Utility command line interface (CLI)

-r8

Description: Reads <NumBytes> memory.

Syntax: -r8 <Address> <NumBytes>

Example: -r8 0x20000000 0x100

Note:

-Rst

Description: Resets the system.

Syntax: -Rst

-HardRst

Description: Hardware reset.

Syntax: -HardRst

-HardRst command is available only with ST-LINK/V2. The RESET pin of the JTAG connector (pin 15) should be connected to the device reset pin.

-Run

Description: Sets the Program Counter and Stack pointer as defined at user application and performs a run operation. This is useful if the user application is loaded with an offset (e.g. 0x08003000). If the address is not specified,

0x08000000 is used.

Syntax:

-Run [<Address>]

Example: -run 0x08003000

–Halt

Description: Halts the core.

Syntax: -Halt

–Step

Description: Executes Step core instruction.

Syntax:

-Step

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STM32 ST-LINK Utility command line interface (CLI) UM0892

–SetBP

Description: Sets the software or hardware breakpoint at a specific address. If an address is not specified, 0x08000000 is used.

Example: -SetBP 0x08003000

–ClrBP

Description: Clears all hardware breakpoints, if any.

Syntax: -ClrBP

–CoreReg

Description: Reads the Core registers.

Syntax: -CoreReg

–SCore

Description: Detects the Core status.

Syntax: -SCore

28/37

-ME

Description: Executes a Full chip erase operation.

Syntax:

-ME

-SE

Syntax:

-SE <Start_Sector> [<End_Sector>]

Example:

-SE 0 => Erase sector 0

-SE 2 12 => Erase sectors from 2 to 12

*For STM32L series, the following cmd erases data eeprom:

-SE ed1 => Erases data eeprom at 0x08080000

-SE ed2 => Erases data eeprom at 0x08081800

-P

Description: Load binary, Intel Hex or Motorola S-record file into device memory without verification. For hex and srec format, the address is relevant.

Doc ID 16987 Rev 11

UM0892

Note:

STM32 ST-LINK Utility command line interface (CLI)

Syntax:

-P <File_Path> [<Address>]

Examples:

-P C:\file.srec

-P C:\file.bin 0x08002000

-P C:\file.hex

STM32 F2 and STM32 F4 series supports different programming modes depending on the

MCU supply voltage. When using ST-LINK/V2, the supply voltage is detected automatically.

Therefore, the correct programming mode is selected. When using ST-LINK, the 32-bit programming mode is selected by default.

If the device is read-protected, the protection will be disabled. If some Flash memory pages are write-protected, the protection will be disabled during programming and then recovered.

-V

Description: Verifies that the programming operation was performed successfully.

Syntax:

-V

Example:

-P “C:\file.srec” -V

-CmpFile

Description: Compares a binary, Intel Hex or Motorola S-record file with device memory and displays the address of the 1st different value.

Syntax: -CmpFile <File_Path> [<Address>]

Example1: -CmpFile "c:\\application.bin" 0x08000000

Example2: -CmpFile "c:\\application.hex

You can also compare the file content with an external memory. The path of the exetrnal memory loader should be specfied by the -EL cmd.

Example1: -CmpFile "c:\application.bin" 0x64000000 -EL "c:\Custom-

Flash-Loader.stldr"

-rOB

Description: Displays all option bytes.

Syntax:

-rOB

-OB

Description: Configures the option bytes. This command :

– sets the Read Protection Level to Level 0 (no protection)

– sets the IWDG_SW option to ‘1’ (watchdog enabled by software)

– sets the nRST_STOP option to ‘0’ (reset generated when entering

Standby mode)

– sets the Data0 option byte

– sets the Data1 option byte

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STM32 ST-LINK Utility command line interface (CLI)

Note:

UM0892

Syntax:

-OB [RDP=<Level>][BOR_LEV=<Level>][IWDG_SW=<Value>]

[nRST_STOP=<Value>][nRST_STDBY=<Value>][nBFB2=<Value>]

[nBoot1=<Value>][nSRAM_Parity=<Value>][Data0=<Value>]

[SPRMOD=<Value>]

[Data1=<Value>][WRP=<Value>][WRP2=<Value>]

[WRP3=<Value>]

Example: –OB RDP=0 IWDG_SW=1 nRST_STOP=0

Data0=0xAA Data1=0xBC

Option byte command parameter descriptions

RDP=<Level>:

RDP=<Level> s ets the Flash memory read protection level.

The <Level> could be one of the following levels:

0: Protection disabled

1: Protection enabled

2: Protection enabled (debug and boot in SRAM features are DISABLED)

Level 2 is available on STM32 F0, STM32 F2, STM32 F3, STM32 F4 and STM32 L1 series

only.

BOR_LEV=<Level>:

BOR_LEV sets the Brownout Reset threshold level.

For STM32 L1 series:

0: BOR OFF, 1.45 to 1.55 V voltage range

1: 1.69 to 1.8 V voltage range

2: 1.94 to 2.1 V voltage range

3: 2.3 to 2.49 V voltage range

4: 2.54 to 2.74 V voltage range

5: 2.77 to 3.0 V voltage range

For STM32 F2 and STM32 F4 series:

0: BOR OFF, 1.8 to 2.10 V voltage range

1: 2.10 to 2.40 V voltage range

2: 2.40 to 2.70 V voltage range

3: 2.70 to 3.60 V voltage range

IWDG_SW=<Value>:

The <Value> should be 0 or 1:

0: Hardware-independent watchdog

1: Software-independent watchdog

30/37 Doc ID 16987 Rev 11

UM0892 STM32 ST-LINK Utility command line interface (CLI)

nRST_STOP=<Value>:

The <Value> should be 0 or 1:

0: Reset generated when CPU enters the Stop mode

1: No reset generated.

nRST_STDBY=<Value>:

The <Value> should be 0 or 1:

0: Reset generated when CPU enters the Standby mode

1: No reset generated.

Note:

nBFB2=<Value>:

The <Value> should be 0 or 1:

0: Boot from Flash bank 2 when boot pins are set in boot from user Flash position

(default)

1: Boot from Flash bank 1 when boot pins are set in boot from user Flash position

(default).

nBFB2 is available only on devices containing two Flash banks.

Note:

Note:

Note:

nBoot1=<Value>:

The <Value> should be 0 or 1:

Together with the BOOT0 pin, selects the Boot mode: nB00T1 = 0 or 1 and BOOT0 = 0 => Boot from Main Flash memory.

nB00T1 = 1 and BOOT0 = 1 => Boot from System memory.

nB00T1 = 0 and BOOT0 = 1 => Boot from Embedded SRAM.

nBoot1 is available only on STM32 F0 and STM32 F3.

VDDA=<Value>:

Selects the analog monitoring on VDDA Power source.

The <Value> should be 0 or 1.

VDDA is available only on STM32 F0 and STM32 F3.

nSRAM_Parity=<Value>:

This bit allows the user to enable the SRAM hardware parity check.

The <Value> should be 0 or 1.

nSRAM_Parity is available only on STM32 F0 and STM32 F3.

Doc ID 16987 Rev 11 31/37

STM32 ST-LINK Utility command line interface (CLI) UM0892

Note:

Note:

Note:

Note:

Note:

SDADC12_VDD=<Value>:

It selects the analog monitoring (comparison with Bgap 1.2V voltage) on SDADC12_VDD

Power source.

The <Value> should be 0 or 1.

SDADC12_VDD is available only on STM32F37x devices.

Data0=<Value>:

Data0 sets the Data0 option byte.

The <Value> should be in [0..0xFF].

Not available on STM32 F0, STM32 F2, STM32 F3, STM32 F4 and STM32 L1 devices.

Data1=<Value>:

Data1 sets the Data1 option byte.

The <Value> should be in [0..0xFF].

Not available on STM32 F0, STM32 F2, STM32 F3, STM32 F4 and STM32 L1 devices.

SPRMOD =<Value>:

Selection of Protection Mode of WPRi bits:

The <Value> should be 0 or 1.

0: WPRi bits used for Write Protection on sector i (Default).

1: WPRi bits used for PCRoP Protection (read protection) on sector i (Sector)

Available only on devices supporting PCRop feature.

WRP=<Value>:

WRP enables/disables the write protection of the MCU Flash sectors.

Each bit will enable/disable the write protection of one sector or more depending on the connected device.

For STM32 L1 devices, WRP[i] = 0: Flash sector(s) is protected.

For other devices, WRP[i] = 1: Flash sector(s) is protected.

This command is sufficient to enable/disable all Flash sector protection, except for STM32

L1 High density where WRP2 and WRP3 commands are needed.

For STM32 F4 series, each bit of WRP enables/disables the write protection of one sector.

The <Value> should be in [0..0xFFFFFFFF]

For devices supporting PCRop feature, WRP controls the read protection of the MCU Flash sectors when SPRMOD = 1.

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UM0892 STM32 ST-LINK Utility command line interface (CLI)

Note:

WRP2=<Value>:

WRP2 is available only for STM32 L1 medium density plus and high density devices to enable/disable the protection of Flash sectors from page 512 to 1023.

The <Value> should be in [0..0xFFFFFFFF].

For devices supporting PCRop feature, WRP controls the read protection of the MCU Flash sectors when SPRMOD = 1.

WRP3=<Value>:

WRP3 is available only for STM32 L1 high density devices to enable/disable the protection of Flash sectors from page 1024 to 1535.

The <Value> should be in [0..0xFFFFFFFF]

Note: 1 All parameters listed above should be in hexadecimal format.

2 For more details, please refer to the Option Bytes section in the Flash programming manual corresponding to your device available at www.st.com

4.1.5 External memory command

-EL

Description:

Selects a Custom Flash memory loader for external memory operations

.

Example:

-P c:\\application.hex -EL c:\\Custom-Flash-Loader.stldr

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STM32 ST-LINK Utility command line interface (CLI)

4.1.6

UM0892

ST-LINK_CLI return codes

In case of error while executing ST-LINK_CLI commands, the return code (Errorlevel) will be greater than 0.

The following table summarizes the ST-LINK_CLI return codes:

Table 2.

ST-LINK_CLI return codes

Return code Commands

6

7

8

9

10

11

12

13

3

4

1

2

5

All

All

All

-w8, -w32

-r8, r32

-rst,

-HardRst

-Run

-halt

-STEP

-SetBP

-ME, -SE

-P, -V

-OB

Error

Command arguments error.

Connection problem.

Command not available for the connected target.

Error occurred while writing data to the specified memory address.

Cannot read memory from the specified memory address.

Cannot reset MCU.

Failed to run application.

Failed to halt the core.

Failed to perform a single instruction step.

Failed to set/clear a breakpoint.

Unable to erase one or more Flash sectors.

Flash programming/verification error.

Option bytes programming error.

34/37 Doc ID 16987 Rev 11

UM0892 Revision history

Table 3.

Date

Document revision history

22-Jan-2010

12-Feb-2010

20-May-2010

27-Aug-2010

03-Feb-2011

01-Aug-2011

18-Oct-2011

11-May-2012

Revision

1

2

3

4

5

6

7

8

Changes

Initial release.

Changed figures 1, 2, 3, 4, 5, 6 and 7. Added SWD support.

Added support of XL-density devices in

Section 2.2.4

and

Section 3.5

.

Added support of STM32 L1.

Hex, srec format support.

Command Line Interface support.

Changed name and all figures.

Added

Section 3.7: Automatic mode functions

Added ST-LINK/V2 support in

Section 1.2: Hardware requirements

and support of different programming modes for STM32 series in

Section 3.4: Device programming

and

Section 4.1.3: Flash commands

.

Added MCU revision ID Display in

Section 3.1: Device information

.

Added support of STM32W and STM32 F4 throughout the document.

Added support of “Connect under reset” option in

Section 2.2.4: Target menu

.

Replaced

Figure 18: MCU Core panel dialog box

.

Updated Flash with modifications in

Section 3.2: Memory display and modification

via GUI commands and in

Section 4.1.1: Connection and memory manipulation commands

via CLI commands.

Added

-HardRst

command in CLI mode in

Section 4.1.2: Core commands

.

Added WRP2 and WRP3 for STM32 L1 high density devices in

Option byte command parameter descriptions

.

Added support of STM32 F0.

Added

Table 1: Applicable tools

.

Replaced

Figure 1

,

Figure 13

,

Figure 16

,

Figure 17

and

Figure 19

.

Added note for JTAG mode in

Section 2.2.4: Target menu

.

Added nBoot1, VDDA, and nSRAM_Parity commands in

Option byte command parameter descriptions

.

Updated “connect under reset” option in

Section 2.2.4: Target menu

.

Updated -c command and added -Q command in

Section 4.1.1:

Connection and memory manipulation commands

.

Added

Section 4.1.6: ST-LINK_CLI return codes

.

Doc ID 16987 Rev 11 35/37

Revision history UM0892

Table 3.

Date

05-Oct-2012

11-Jan-2013

29-Apr-2013

Document revision history (continued)

Revision Changes

9

10

11

Added support of STM32F050, STM32 F3, STM32L medium density plus.

Added “Compare two files” in

Section 2.2.1: File menu

and replaced

Figure 2

.

Replaced

Figure 5

.

Added “Reset after programming option” in

Section 3.4: Device programming

and replaced

Figure 15

to

Figure 13

.

Added “SPRMOD” command in

Section 4.1.4: Option byte commands

.

Updated Flash sector protection in

Section 3.5: Option bytes configuration

and replaced

Figure 17

.

In

Section 3.6: MCU core functions

, replaced

Figure 18

.

Updated “WRPx” commands in section

Section 4.1.4: Option byte commands

.

Fixed typos.

Updated

Section 1.1: System requirements

Updated

Section 2.1: Main window

including

Figure 1: STM32 ST-

LINK Utility user interface main window

(LiveUpdate checkbox and

Edit menu)

Updated

Figure 2

Added

Section 2.2.2: Edit Menu

, including

Figure 3: Edit menu

Updated

Figure 4

Updated

Section 2.2.4: Target menu

including

Figure 5

Updated

Section 2.2.5: ST-LINK menu

including

Figure 6

Updated

Figure 11

Updated

Section 3.2: Memory display and modification

inlcuding

Figure 13

Updated

Section 4.1: Command line usage

(HotPlug)

Added “[SPRMOD=<Value>]” in the syntax of “-OB” command, see

Section 4.1.4

Replaces all occurrences of “BFB2” by “nBFB2”

Updated

Figure 1: STM32 ST-LINK Utility user interface main window

,

Figure 2: File menu

.

Added external memory in

Section 2.2.3: View menu

.

Added printf data in

Section 2.2.5: ST-LINK menu

.

Added

Section 2.2.6: External Loader menu

.

Updated

Figure 11: Help menu

,

Figure 13: STM32 ST-LINK Utility user interface

,

Figure 15: Open file dialog box

,

Figure 17: Option

Bytes dialog box

,

Figure 18: MCU Core panel dialog box

, and

Figure 19: Automatic mode

.

Added

Section 3.8: Developing custom loaders for external memory

and

Section 3.9: Printf via SWO Viewer

.

Added -CmpFile in

Section 4.1.3: Flash commands

.

Added

Section 4.1.5: External memory command

.

Updated disclaimer on last page.

36/37 Doc ID 16987 Rev 11

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