ST STLINK-V3MINIE Manual de usuario

Introduction

STLINK-V3MINIE is a stand-alone debugging and programming tiny probe for STM32 microcontrollers.

The JTAG/SWD interfaces are used to communicate with any STM32 microcontroller located on an application board.

STLINK-V3MINIE also provides a Virtual COM port interface for the host PC to communicate with the target microcontroller

through one UART.

STLINK-V3MINIE is a portable version easy‑to‑use debugger and programmer including STDC14 interface with its flat cable

and on‑board pads for board‑to‑board (BTB) card edge connector.

Figure 1. STLINK-V3MINIE top, bottom, and cable views

Pictures are not contractual.

STLINK-V3MINIE debugger/programmer tiny probe for STM32 microcontrollers

UM2910

User manual

UM2910 - Rev 2 - January 2022

For further information contact your local STMicroelectronics sales office. www.st.com

1Features

• Tiny 15 mm × 42 mm standalone debugging and programming probe for STM32 microcontrollers

• Self‑powered through a USB Type-C® connector

• USB 2.0 high-speed interface

• Probe firmware update through USB

• Optional drag‑and‑drop Flash memory programming of binary files

• Communication bi-color LED

• JTAG communication support up to 21 MHz

• SWD (Serial Wire Debug) and SWV (Serial Wire Viewer) communication support up to 24 MHz

• Virtual COM port (VCP) up to 16 Mbps

• 1.65 to 3.60 V application voltage support

• Board connectors:

–USB Type-C® connector

– 1.27 mm pitch STDC14 debug connector with STDC14 to STDC14 flat cable

– 2.0 mm pitch on-board pads for BTB (Board-to-board) card edge connector

Note: STLINK-V3MINIE does not provide any power supply to the target application.

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Features

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2Ordering information

To order the STLINK-V3MINIE tiny probe, refer to Table 1.

Table 1. Ordering information

Order code Content and references Description

STLINK-V3MINIE • MB1762(1)

• FFC(2)

• STLINK-V3 in-circuit debugger and programmer for

STM32 microcontrollers with level shifter

1. Tiny probe board

2. Flexible flat cable

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3Development environment

STLINK-V3MINIE runs with an STM32 32‑bit microcontroller based on the Arm® Cortex®-M core.

Note: Arm is a registered trademark of Arm Limited (or its subsidiaries) in the US and/or elsewhere.

3.1 System requirements

• Multi‑OS support: Windows® 10, Linux® 64-bit, or macOS®

• USB Type-A or USB Type-C® to USB Type-C® cable

Note: macOS® is a trademark of Apple Inc., registered in the U.S. and other countries and regions.

Linux® is a registered trademark of Linus Torvalds.

All other trademarks are the property of their respective owners.

3.2 Development toolchains

• IAR Systems® - IAR Embedded Workbench®(1)

• Keil® - MDK-ARM(1)

• STMicroelectronics - STM32CubeIDE

1. On Windows® only.

3.3 Firmware upgrade

The STLINK-V3MINIE tiny probe embeds firmware that needs to be frequently updated from the www.st.com

website to benefit from new functionality or corrections. Refer to the technical note Overview of ST-LINK

derivatives (TN1235) for details.

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Development environment

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4Quick start

This section describes how to start development quickly using STLINK-V3MINIE.

Before installing and using these products, accept the Evaluation Product License Agreement from the

www.st.com/epla web page.

The STLINK-V3MINIE tiny probe is a stand-alone debugging and programming probe for STM32 microcontrollers:

• It supports JTAG and SWD protocols to communicate with any STM32 microcontroller.

• It provides a Virtual COM port interface allowing the host PC to communicate with the target microcontroller

through one UART

To start using STLINK-V3MINIE, follow the steps below:

1. Check that the STDC14 to STDC14 flat cable is present inside the box.

2. Install or update the IDE or STM32CubeProgrammer (STM32CubeProg) to support the STLINK-V3MINIE

with the necessary drivers.

3. Connect the flat cable or BTB card edge connector between STLINK-V3MINIE and the application.

4. Connect a USB Type-A to USB Type-C® cable between STLINK-V3MINIE and the PC.

5. Check that the COM LED is red.

6. Open the development toolchain or STM32CubeProgrammer software utility. For more details, refer to the

www.st.com/stlink-v3minie website.

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Quick start

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5STLINK-V3MINIE functional description

5.1 STLINK-V3MINIE overview

STLINK-V3MINIE is a stand-alone debugging and programming tiny probe for the STM32 microcontrollers. The

product supports many functions and protocols for debugging, programming, or communicating with one or

several targets.

The modules are fully powered by the PC. If the COM LED blinks red, refer to the technical note Overview of

ST-LINK derivatives (TN1235) for details.

5.2 STLINK-V3MINIE frequency selection

The STLINK-V3MINIE tiny probe runs internally at three different frequencies:

• High-performance frequency

• Standard frequency, compromising between performance and consumption

• Low-consumption frequency

By default, STLINK-V3MINIE starts at a high‑performance frequency. It is the responsibility of the toolchain

provider to propose or not the frequency selection at the user level.

5.3 High‑performance modules

The STLINK-V3MINIE tiny probe supports a high‑performance configuration for STM32 microcontrollers. The

working voltage range goes from 1.65 to 3.6 V. The protocols and functions supported are:

• SWD with SWO (Up to 24 MHz)

• JTAG (Up to 21 MHz)

• VCP (From 736 bps to 16 Mbps)

A double‑row, 14‑pin (2 × 7) 1.27 mm pitch male STDC14 connector is located in STLINK-V3MINIE for connection

to the application target. An STDC14 to STDC14 flat cable is included in the packaging.

5.4 Hardware layout

The STLINK-V3MINIE tiny probe is designed around the STM32F723 microcontroller. Figure 2 shows STLINK-

V3MINIE. Figure 3 and Figure 4 show MB1762 top and bottom layouts, as MB1762 is the common board

reference for STLINK-V3MINIE.

Figure 2. STLINK-V3MINIE hardware board

CN4 or CN2

to application

PC connection

to CN1

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STLINK-V3MINIE functional description

UM2910 - Rev 2 page 6/20

Figure 3. MB1762 top layout

Pads for BTB

connector (Top)

(CN2)

STM32F723

microcontroller

(U4)

USB Type-C®

connector

(CN1)

COM LED

(LD1)

Power LED

(LD2)

Figure 4. MB1762 bottom layout

Pads for BTB

connector (Bottom)

(CN2)

STDC14 connector

(CN4)

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Hardware layout

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Figure 5. MB1762 mechanical drawing (in millimeters)

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Hardware layout

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5.5 STLINK-V3MINIE functions

All functions are designed for high performance. All signals are 1.65 to 3.6 V compatible. The following description

concerns STLINK-V3MINIE except for some mentioned sections and indicates where to find the functions on the

boards and connectors.

5.5.1 SWD with SWV

SWD protocol is a debugging and programming protocol used for STM32 microcontrollers with SWV as a trace.

The signals may perform up to 24 MHz. This function is available on the CN4 connector or the CN2 pad.

5.5.2 JTAG

JTAG protocol is a debugging and programming protocol used for STM32 microcontrollers. The signals may

perform up to 21 MHz. This function is available on the CN4 connector or the CN2 pad.

5.5.3 Virtual COM port (VCP)

The serial interface VCP is directly available as a Virtual COM port of the PC, connected to the STLINK-V3MINIE

CN1 USB connector. This function may be used for STM32 microcontrollers. The signals may perform from

736 bps to 16 Mbps. This function is available on the CN4 connector or the CN2 pad.

For details regarding baud rates, refer to section 14.2. of the user manual STLINK-V3SET debugger/programmer

for STM8 and STM32 (UM2448).

5.5.4 Mass-storage interface

STLINK-V3MINIE implements a virtual mass‑storage interface allowing the programming of an STM32 target

Flash memory with drag-and-drop action of a binary file from a file explorer. This ability requires the STLINK-

V3MINIE tiny probe to identify the connected target before enumerating it on the USB host. As a consequence,

this functionality is available only if the target is connected to the STLINK-V3MINIE tiny probe when it powers up.

The mass storage interface may be disabled or enabled again by reprogramming the ST-LINK firmware. This can

be performed with the STLinkUpgrade application. Activate the <change type> checkbox then select the firmware

with or without mass storage and launch the update. The action is reversible.

5.5.5 LEDs

Power LED: This green light indicates that 5 V is enabled (Not fitted as default).

COM LED: Refer to the technical note Overview of ST-LINK derivatives (TN1235) for details.

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STLINK-V3MINIE functions

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6Board connectors

6.1 Connectors

Per convention, refer to Table 2 for I/O type definition:

Table 2. I/O type definition

Type Definition

S Supply pin

I Input‑only pin

O Output‑only pin

I/O Input and output pin

6.2 Pads on board to CN2 BTB card edge connector

The pads on the board have the same function as the STDC14 connector. The user can select a BTB card edge

connector to connect STLINK-V3MINIE and the target board. The board‑to‑board card edge connector reference

is 009159010061911 from AVX.

Table 3. Pads on board to CN2 BTB card edge connector

Side Pin number Pin description Type

TOP

1Reserved(1) -

2T_JTDI/NC(2) O

3 T_JTMS/T_SWDIO I/O

4 T_JCLK/T_SWCLK O

5T_JTDO/T_SWO(3) I

BOTTOM

6 GND S

7 T_VCP_RX O

8 T_VCP_TX I

9 T_NRST O

10 T_VCC I

1. Do not connect on target.

2. NC means not required for SWD (Serial Wire Debug) connection.

3. SWO (Serial Wire Output) is optional, and only required for SWV (Serial Wire Viewer) trace.

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