ST STM32L562E-DK User manual

Introduction

The STM32L562E-DK Discovery kit is designed as a complete demonstration and development platform for STMicroelectronics

Arm® Cortex®-M33 core-based STM32L562QEI6QU microcontroller with TrustZone®. It features 256 Kbytes of internal SRAM

and 512 Kbytes of internal Flash memory, one flexible memory controller (FMC) interface, one Octo-SPI memory interface, one

LCD-TFT controller, one RTC, up to 16 timers, one USB Type-C™ device FS port with UCPD controller, two SAI ports, four I²C

buses, six USART ports, three SPI, one CAN-FD port, one SDMMC interface, 2x 12-bit ADC, 2x 12-bit DAC, 2 low-power

comparators, 4 digital filters for sigma-delta modulation, touch-sensing capability, an embedded step down converter, and JTAG

and ETM debugging support.

STM32L562E-DK, shown in Figure 1, associated with the fan-out expansion board, is used as a reference design for user

application development, although it is not considered as the final application.

The full range of hardware features on the board helps the user to evaluate all the peripherals (USB, USART, digital

microphones, ADC and DAC, TFT LCD, Octo-SPI Flash memory device, microSD™ card, audio codec, joystick, user button,

Bluetooth® Low Energy, accelerometer and gyroscope) and to develop applications. Extension headers allow easy connection

of a daughterboard or wrapping board for a specific application.

An STLINK-V3E is integrated on the board, as embedded in-circuit debugger and programmer for the STM32 MCU and the

USB Virtual COM port bridge.

Figure 1. STM32L562E-DK Discovery kit (top view)

Picture is not contractual.

Discovery kit with STM32L562QE MCU

UM2617

User manual

UM2617 - Rev 2 - January 2020

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

1Features

• STM32L562QEI6QU microcontroller featuring 512 Kbytes of Flash memory and 256 Kbytes of SRAM in

BGA132 package

• 1.54" 240 × 240 pixel-262K color TFT LCD module with parallel interface and touch-control panel

• USB Type-C™ Sink device FS

• On-board energy meter: 300 nA to 150 mA measurement range with a dedicated USB interface

• SAI Audio CODEC

• MEMS digital microphones

• 512-Mbit Octal-SPI Flash memory

•Bluetooth® V4.1 Low Energy module

• iNEMO 3D accelerometer and 3D gyroscope

• 2 user LEDs

• User and reset push-buttons

• Board connectors:

–USB Type-C™

–microSD™ card

– Stereo headset jack including analog microphone input

– JTAG debugger

– DPM dynamic-power measurement interface for external device

– STMod+ expansion connector with fan-out expansion board for Wi‑Fi®, Grove and mikroBUS™

compatible connectors

– Pmod™ expansion connector

– Audio MEMS daughterboard expansion connector

– ARDUINO® Uno V3 expansion connector

• Flexible power-supply options: ST-LINK, USB VBUS or external sources

• On-board STLINK-V3E debugger/programmer with USB re-enumeration capability: mass storage, Virtual

COM port, and debug port

• Comprehensive free software libraries and examples available with the STM32CubeL5 MCU Package

• Support of a wide choice of Integrated Development Environments (IDEs) including IAR™, Keil®, and

STM32CubeIDE

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

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Features

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2Ordering information

To order the STM32L562E-DK Discovery kit, refer to Table 1. Additional information is available from the

datasheet and reference manual of the target STM32.

Table 1. Ordering information

Order code Board references Target STM32

STM32L562E-DK • MB1373

• MB1280(1) STM32L562QEI6QU

1. Fan-out board.

2.1 Product marking

Evaluation tools marked as “ES” or “E” are not yet qualified and therefore not ready to be used as reference

design or in production. Any consequences deriving from such usage will not be at ST charge. In no event, ST will

be liable for any customer usage of these engineering sample tools as reference designs or in production.

“E” or “ES” marking examples of location:

• On the targeted STM32 that is soldered on the board (For an illustration of STM32 marking, refer to the

STM32 datasheet “Package information” paragraph at the www.st.com website).

• Next to the evaluation tool ordering part number that is stuck or silk-screen printed on the board.

Some boards feature a specific STM32 device version, which allows the operation of any bundled commercial

stack/library available. This STM32 device shows a "U" marking option at the end of the standard part number

and is not available for sales.

In order to use the same commercial stack in his application, a developer may need to purchase a part number

specific to this stack/library. The price of those part numbers includes the stack/library royalties.

2.2 Codification

The meaning of the codification is explained in Table 2. The order code is mentioned on a sticker placed on the

top side of the board.

Table 2. Codification explanation

STM32TTXXY-DK Description Example: STM32L562E-DK

STM32TT MCU series in STM32 32-bit Arm Cortex MCUs STM32L5 Series

XX MCU product line in the series STM32L562

YSTM32 Flash memory size:

• E for 512 Kbytes 512 Kbytes

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3Development environment

3.1 System requirements

• Windows® OS (7, 8 and 10), Linux® 64-bit, or macOS®

• USB Type-A to Micro-B cable

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

All other trademarks are the property of their respective owners.

3.2 Development toolchains

• IAR™ - EWARM (see note)

• Keil® - MDK-ARM (see note)

• STMicroelectronics - STM32CubeIDE

Note: 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

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4Conventions

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 should be 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

Resistor Rx ON Resistor soldered

Resistor Rx OFF Resistor not soldered

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5Delivery recommendations

Before the first use, make sure that no damage occurred to the board during shipment and no socketed

components are not firmly fixed in their sockets or loose in the plastic bag.

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6Hardware layout and configuration

The STM32L562E-DK Discovery kit is designed around the STM32L562QEI6QU target microcontroller. Figure 2

illustrates STM32L562QEI6QU connections with peripheral components. Figure 3 shows the location of the main

components on the top side of the Discovery board and Figure 4 shows the location of the main components on

the bottom side of the Discovery board.

Figure 2. Hardware block diagram

STM32L562QEI6QU

RTC

SWD

32 kHz crystal

STLINK-V3E

USB

STDC14

TAG

Multi-point

capacitive

touch screen

USB Type-C™

connector FS

USB FS

UCPD

FMC

LCD TFT connector

1.54" 240x240

Octal-

SPI

Octo-SPI Flash

512 KBytes

VCP

UART

ARDUINO® Uno

connectors

GPIOs

BLE V4.1

SPI1

microSD™

connector SDMMC

HSI

I2C1

GPIO User interface

2 LEDs

User Interface

RESET and USER

buttons

GPIO

SAI Audio DAC and

amplifier Stereo jack

Line out / Mic_IN

DFSDM

External STM

module. Up to 4

microphones

Switch

3V3 POWER

SUPPLY

1V8 POWER

SUPPLY

5V_SELECTION

3V3

1V8

Power consumption metering

3V3

Optional

16 MHz crystal

3D accelerometer

3D gyrometer

I2C1

STMod+ connectors

GPIOs

Pmod™ connectors

GPIOs

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Figure 3. STM32L562E-DK PCB layout (top view)

Figure 4. STM32L562E-DK PCB layout (bottom view)

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6.1 Embedded STLINK-V3E

6.1.1 Description

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

• Using the embedded STLINK-V3E

• Using an external debug tool connected to CN8 STDC14/MIPI-10 connector

The STLINK-V3E facility for debugging and flashing is integrated into the STM32L562E-DK Discovery kit.

The STLINK-V3E makes the STM32L562E-DK Discovery kitArm® Mbed Enabled™.

The embedded STLINK-V3E supports only SWD and VCP for STM32 devices.

Features supported in STLINK-V3E:

• 5 V power supplied by the CN17 USB connector

• USB 2.0 high-speed-compatible interface

• JTAG and serial wire debugging (SWD) specific features:

– 3 to 3.6 V application voltage on the JTAG/SWD interface and 5V tolerant inputs

– JTAG

– SWD and serial viewer (SWV) communication

• Direct firmware update feature (DFU) (CN6)

• STDC14 (MIPI10) compatible connector (CN8)

• LD3 status LED (COM) which blinks during communication with the PC

• LD11 fault red LED (OC) alerting on USB overcurrent request

• 5 V / 500 mA output power supply capability (U47) with current limitation and LD11 LED

• 5 V power green LD12 LED (5V)

Table 4 describes the CN17 USB Micro-B connector pinout.

Table 4. CN17 USB Micro-B connector pinout

Pin Pin name Signal name STLINK-V3E STM32 pin Function

1 VBUS 5V_USB_CHGR - VBUS Power

2 DM USB_DEV_HS_CN_N PB14 DM

3 DP USB_DEV_HS_CN_P PB15 DP

4 ID - GND ID

5 GND GND GND GND

6.1.2 Drivers

Before connecting the STM32L562E-DK board to a Windows PC via USB, the user must install a driver for the

STLINK-V3E (not required for Windows 10). It is available on the www.st.com website.

In case the STM32L562E-DK board is connected to the PC before the driver is installed, some STM32L562E-DK

interfaces may be declared as “Unknown” in the PC device manager. In this case, the user must install the

dedicated driver files, and update the driver of the connected device from the device manager as shown in

Figure 5.

Note: Prefer using the USB Composite Device handle for a full recovery.

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Embedded STLINK-V3E

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Figure 5. USB composite device

Note: 37xx:

• 374E for STLINK-V3E without bridges functions

• 374F for STLINK-V3E with bridges functions

6.1.3 STLINK-V3E firmware upgrade

The STLINK-V3E embeds a firmware upgrade mechanism for in-situ upgrades through the USB port. As the

firmware may evolve during the lifetime of the STLINK-V3E product (for example new functionalities, bug fixes,

support for new microcontroller families), it is recommended to visit the www.st.com website before starting to use

the STM32L562E-DK Discovery kit and periodically, to stay up-to-date with the latest firmware version.

6.1.4 Using an external debug tool to program and debug the onboard STM32

There are 2 basic ways to support an external debug tool:

1. Keep the embedded STLINK-V3E running. Power on the STLINK-V3E at first until the COM LED lights RED.

Then connect the external debug tool through CN8 STDC14/MIPI-10 debug connector.

2. Set the embedded STLINK-V3E in a high impedance state. When setting the jumper JP6 (STLK_RST) ON,

the embedded STLINK-V3E is in RESET state and all GPIOs are in high impedance. Then the user can

connect his external debug tool on the debug connector CN8.

Figure 6. Connecting an external debug tool to program the on-board STM32L5

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