STMicroelectronics STM32L476G-EVAL User Manual

Hardware layout and configuration UM1855
50/100 DocID027351 Rev 3
2.27.1 Limitations
The following limitations apply for the smartcard operation:
• Smartcard operation is mutually exclusive with LCD glass module, Quad-SPI Flash
memory device and motor control operation.
• SWP operation is mutually exclusive with LCD glass module, touch-sensing button,
motor control and USB OTG FS port operation, if the last operates as USB host. SWP
can operate concurrently with USB OTG FS port acting as USB device.
2.27.2 Operating voltage
Smartcard operating ranging from V
DD
= 2.7 V to V
DD
= 3.6 V. However, the SWP only
operates with the supply voltage of 3.3 V.
2.28 Near-field communication (NFC)
The STM32L476G-EVAL board can host an NFC transceiver board plugged in CN13
extension connector.
Figure 12 illustrates the way of attaching an NFC board.
Figure 12. NFC board plugged into STM32L476G-EVAL board

STMicroelectronics STM32L476G-EVAL Specifications

General

Core	ARM Cortex-M4
Flash Memory	1 MB
SRAM	128 KB
Operating Voltage	1.71 V to 3.6 V
Clock Speed	80 MHz
On-Board Debugger	ST-LINK/V2-1
EEPROM	No
Debug Interface	SWD
USB	USB 2.0
Development Environment	STM32CubeIDE
Connectors	USB, Audio jack
ADC	12-bit ADC
DAC	12-bit DAC
Communication Interfaces	I2C, SPI, USART, USB, CAN
Operating Temperature	-40°C to +85°C
Power Consumption	Low power consumption

Summary

Introduction to STM32L476G-EVAL Board

Overview of STM32L476G-EVAL

Features of the STM32L476G-EVAL Board

Detailed list of hardware and software features of the evaluation board.

Demonstration Software

Information on the preloaded demonstration software for easy peripheral evaluation.

Order Code

Procedure to order the STM32L476G-EVAL board.

Unpacking Recommendations

Instructions for safe unpacking and checking components of the evaluation board.

Hardware Layout and Configuration

ST-LINK/V2-1 Debug and Flashing

Details on the integrated ST-LINK/V2-1 debugger and flashing tool.

Power Supply Options

Methods and configurations for powering the evaluation board.

Microcontroller Boot Options

Configuration options for the microcontroller's boot process.

USB OTG FS Port Functionality

Functionality and configuration of the USB OTG Full-Speed port.

microSD Card Interface

Interface and operation of the microSD card slot.

Motor Control Interface

Interface and configuration for motor control modules.

Current Consumption Measurement

Onboard circuit for measuring MCU current consumption.

Touch-Sensing Button

Functionality and configuration of the touch-sensing button.

Smartcard and SWP Interface

Interface and operation for smartcards and SWP.

Connectors and Interfaces

RS-232 D-sub Male Connector CN9

Pin assignment and details for the RS-232 connector.

Power Connector CN22

Details of the external power supply connector.

Extension Connectors CN6 and CN7

Headers for daughterboard expansion and GPIO access.

ST-LINK/V2-1 USB Connector CN17

USB connector for ST-LINK/V2-1 functionality.

JTAG Connector CN15

Connector for JTAG debugging interface.

ETM Trace Debugging Connector CN12

Connector for ETM trace debugging.

microSD Card Connector CN18

Connector for interfacing with microSD cards.

Motor Control Connector CN2

Connector for connecting motor control modules.

USB OTG FS Micro-AB Connector CN1

Connector for USB OTG Full-Speed interface.

Appendix A: Schematic Diagrams

STM32L476G-EVAL Top Schematic

Top-level schematic diagram of the evaluation board.

Power Supply Schematic Diagram

Schematic diagram of the board's power supply circuitry.

SRAM and NOR Flash Memory Schematic

Schematic diagram for SRAM and NOR Flash memory.

IDD Measurement Schematic Diagram

Schematic diagram for MCU current consumption measurement.

Appendix B: Compliance Statements

FCC Compliance Statement

Statement regarding compliance with FCC regulations.

IC Compliance Statement

Statement regarding compliance with Industry Canada regulations.

Revision History