ST STM32U5G9J-DK2 Manuel utilisateur

Introduction

The STM32U5G9J-DK2 Discovery kit is a complete demonstration and development platform for the STM32U5G9ZJT6Q

microcontroller, featuring an Arm® Cortex®‑M33 core with Arm® TrustZone®.

Leveraging the innovative ultra-low power-oriented features, 3 Mbytes of embedded SRAM, 4 Mbytes of embedded flash

memory, and rich graphics features, the STM32U5G9J-DK2 Discovery kit enables users to prototype applications with

state‑of‑the‑art energy efficiency, as well as providing stunning and optimized graphics rendering with the support of a 2.5D

Neo-Chrom accelerator, Chrom-ART Accelerator, and Chrom-GRC™ MMU.

The STM32U5G9J-DK2 Discovery kit integrates a full range of hardware features that help the user evaluate all the peripherals,

such as a 5" RGB 800x480 pixels TFT colored LCD module with a 24‑bit RGB interface and capacitive touch panel, high-speed

USB Type-C®, Octo‑SPI flash memory device, ARDUINO®, and STLINK-V3EC (USART console).

The STM32U5G9J-DK2 Discovery kit integrates an STLINK-V3EC embedded in-circuit debugger and programmer for the

STM32 microcontroller with a USB Virtual COM port bridge and comes with the STM32CubeU5 MCU Package, which provides

an STM32 comprehensive software HAL library as well as various software examples.

Figure 1. STM32U5G9J-DK2

with LCD (top view)

Figure 2. STM32U5G9J-DK2

without LCD (top view)

Figure 3. STM32U5G9J-DK2

(bottom view)

Pictures are not contractual.

Discovery kit with STM32U5G9ZJ MCU

UM3223

User manual

UM3223 - Rev 1 - January 2024

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

1 Features

• Ultra-low-power STM32U5G9ZJT6Q microcontroller based on the Arm® Cortex®‑M33 core with Arm®

TrustZone®, featuring 4 Mbytes of flash memory, 3 Mbytes of SRAM, and SMPS, in an LQFP144 package

• 5" 800 × 480 pixels TFT LCD module with 16.7M color depth, parallel RGB interface, and capacitive touch

panel

• USB Type-C® with USB 2.0 high-speed interface, UCPD Sink only

• Low-power system designed for VDD at 3.3 V only

• 1-Gbit Octo‑SPI flash memory

• Two user LEDs

• User and reset push-buttons

• Board connectors:

–ST-LINK USB Type-C®

–User USB Type-C®

–Arm® Cortex® MIPI10 connector (SWD/JTAG/trace)

–Tag‑Connect™ 10-pin footprint

–ARDUINO® Uno V3 expansion

– Double-row 2.54 mm pitch expansion connector for additional peripherals prototyping

• On-board STLINK-V3EC debugger/programmer with USB re-enumeration capability: mass storage, Virtual

COM port, and debug port

• Comprehensive free software libraries and examples available with the STM32CubeU5 MCU Package

• Support of a wide choice of Integrated Development Environments (IDEs) including IAR Embedded

Workbench®, MDK-ARM, and STM32CubeIDE

Note: Arm and TrustZone are registered trademarks of Arm Limited (or its subsidiaries) in the US and/or elsewhere.

UM3223

Features

UM3223 - Rev 1 page 2/37

2 Ordering information

To order the STM32U5G9J-DK2 Discovery kit, refer to Table 1. Additional information is available from the

datasheet and reference manual of the target STM32.

Table 1. List of available products

Order code Board reference Target STM32

STM32U5G9J-DK2 • MB1918(1)

• MB1860(2) STM32U5G9ZJT6Q

1. Main board

2. LCD daughterboard

2.1 Codification

The meaning of the codification is explained in Table 2.

Table 2. Codification explanation

STM32XXYYZ-DKT Description Example: STM32U5G9J-DK2

XX MCU series in STM32 32-bit Arm Cortex MCUs STM32U5 series

YY MCU product line in the series STM32U5F9/5G9 product line

ZSTM32 flash memory size:

• J for 4 Mbytes 4 Mbytes

DK Discovery kit Discovery kit

T Sequential number Second Discovery kit version

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Ordering information

UM3223 - Rev 1 page 3/37

3 Development environment

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.

Windows is a trademark of the Microsoft group of companies.

3.2 Development toolchains

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

•Keil® - MDK-ARM(1)

• STMicroelectronics - STM32CubeIDE

1. On Windows® only.

3.3 Demonstration software

The demonstration software, included in the STM32Cube MCU Package corresponding to the on-board

microcontroller, is preloaded in the STM32 flash memory for easy demonstration of the device peripherals in

standalone mode. The latest versions of the demonstration source code and associated documentation can be

downloaded from www.st.com.

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Development environment

UM3223 - Rev 1 page 4/37

4 Conventions

Table 3 provides the conventions used for the ON and OFF settings in the present document.

Table 3. ON/OFF convention

Convention Definition

Jumper JPx ON Jumper fitted

Jumper JPx OFF Jumper not fitted

Jumper JPx [1-2] Jumper fitted between Pin 1 and Pin 2

Solder bridge SBx ON SBx connections closed by 0 Ω resistor

Solder bridge SBx OFF SBx connections left open

Capacitor Cx ON Capacitor soldered

Capacitor Cx OFF Capacitor not soldered

UM3223

Conventions

UM3223 - Rev 1 page 5/37

5 Quick start

Before installing and using the product, accept the evaluation product license agreement from the www.st.com/

epla webpage.

Follow the sequence below to configure the STM32U5G9J-DK2 Discovery board and launch the demonstration

application (refer to Figure 5 for component location):

1. For the correct identification of all the device interfaces from the host PC and before connecting the board,

install the STLINK-V3EC USB driver available on the www.st.com website.

2. Check that the JP1 jumper (5V power source selection) is set on [1-2] selecting 5V from STLINK-V3EC

(STLK) and JP4 (VDD_MCU current measurement) is ON powering the microcontroller. Refer to Table 4.

3. Connect the STM32U5G9J-DK2 Discovery board to a PC with a USB cable (USB Type-A or USB Type-C® to

USB Type-C®) through the STLINK-V3EC USB connector (CN8) to power the board.

4. Then, the 5V_PWR green LED (LD1) lights up and the COM LED (LD7) blinks.

5. The LCD module displays a menu with icons, indicating the demonstration application software startup.

6. The demonstration application software and its user manual, as well as other software examples for exploring

STM32U5G9J-DK features are available on the STM32CubeU5 webpage.

7. Develop your application using the available examples.

Table 4. Default jumper setting

Jumper Function Setting(1) Comment

JP1 5 V power source selection [1-2] 5 V from STLINK-V3EC (STLK)

JP4 IDD measurement ON VDD_MCU current measurement

1. The default setting is in bold.

UM3223

Quick start

UM3223 - Rev 1 page 6/37

6 Hardware layout and configuration

6.1 Hardware block diagram

The STM32U5G9J-DK2 is designed around the STM32U5G9ZJT6Q microcontroller in an LQFP144 package. The

hardware block diagram in Figure 4 illustrates the connection between the STM32U5G9ZJT6Q microcontroller

and the peripherals. Figure 5 and Figure 6 show the locations of these features on the STM32U5G9J-DK2

Discovery board.

Figure 4. STM32U5G9J-DK2 hardware block diagram

DT59217V1

STLINK_V3EC

USB Type-C®

Octo-SPI

16MHz

crystal

32 KHz

crystal

ARDUINO® Uno

V3 connector

Boot switch

User button

Reset button

Red user LED

Green user LED

5" LCD

capacitive

touch panel

(MB1860 on

RGB connector)

USB Type-C®

connector

External debug

MIPI10 and

Tag-Connect™

SWD/JTAG

UART

Hexa-SPI

BOOT0

LCD

I2C 2

GPIO 1

RGB888 and ctrl

Touch panel

ON/OFF

Backlight

Touch-panel

interrupt

PWM

GPIO

GPIO 1

NRST

USB DP/DM USB DP/DM

OCTOSPI

Reset

SWD/

JTAG

UART

SWD/JTAG

Reset

ADCs

ADC/I2C

I2C

UART

ADCs

ADC/

I2C

PWM

UART

PWM

GPIOs GPIOs

PWM

SPI

PWM 1

SPI

OSC32K

OSC

Discrete

components

DC/DC 3V3 power supply

Extension connector

GPIOs 16

STM32U5G9ZJT6Q

UM3223

Hardware layout and configuration

UM3223 - Rev 1 page 7/37

6.2 Main board layout

Figure 5. Main board layout (top view)

DT59218V1

STLK_NRST

header (JP3)

STLINK_V3EC

(U13)

STLINK USB

(CN8)

Power source

header (JP1)

USB Type-C®

connector (CN2)

TCPP01-M12 USB

protection (U3)

Reset button

(B1)

MIPI10 connector

(CN11)

Octo-SPI flash memory

(U11)

BOOT0 switch

(SW1)

IDD MCU

(JP4)

STM32U5G9 MCU

(U2)

ARDUINO® connectors

(CN4, CN5, CN6, CN7)

Spare GPIO

connector (CN1)

Figure 6. Main board layout (bottom view)

DT59219V1

RGB LCD connector

(CN3)

Tag-Connect™

footprint (CN10)

ST-LINK COM LED (LD7)

5V power LED (LD1)

5V USB power (LD5)

User red LED (LD2)

User green LED (LD3)

User button (B2)

ST-LINK power LED (LD6)

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Hardware layout and configuration

UM3223 - Rev 1 page 8/37

6.3 Mechanical drawing

Figure 7. Main board mechanical drawing (in millimeters)

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Hardware layout and configuration

UM3223 - Rev 1 page 9/37

6.4 Embedded STLINK-V3EC

The chapter below gives some information about the implementation of the STLINK-V3EC on this board.

For detailed information about the STLINK-V3EC capabilities such as LED management, drivers, and firmware,

refer to the technical note Overview of ST-LINK derivatives (TN1235).

For information about the debugging and programming features of the STLINK-V3EC, refer to the user manual

STLINK-V3SET debugger/programmer for STM8 and STM32 (UM2448).

Figure 8. STM32U5G9J-DK2 ST-LINK

DT59221V1

STLK_NRST

header (JP3)

STLINK_V3EC

(U13)

STLINK USB

(CN8)

MIPI10 connector

(CN11)

Tag-Connect™

footprint (CN10)

ST-LINK

COM LED (LD7)

ST-LINK

power LED (LD6)

6.4.1 Description

There are two different ways to program and debug the onboard STM32 MCU:

• Using the embedded STLINK-V3EC

• Using an external debug tool connected to the MIPI10 connector (CN11) or the Tag‑Connect™ footprint

(CN10) with a TC2050-IDC-NL cable

Features supported in STLINK-V3EC:

• 5 V/500 mA power supplied by the USB Type-C® connector (CN1)

• USB 2.0 USB high-speed‑compatible interface

• JTAG and Serial Wire Debug (SWD) with Serial Wire Viewer (SWV)

• Virtual COM port (VCP)

• COM status LED (LD7), which blinks during communication with the PC

• Power status LED (LD6), which gives information about STLINK-V3EC target power

• USB-C® overvoltage protection (U16) with current limitation

For detailed information about these LEDs, refer to the technical note Overview of ST-LINK derivatives (TN1235).

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Hardware layout and configuration

UM3223 - Rev 1 page 10/37

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