December 2021 UM2140 Rev 3 1/48

UM2140

User manual

Discovery kit with STM32F723IE MCU

Introduction

With the STM32F723 Discovery kit (32F723EDISCOVERY), users develop applications

easily on the STM32F7 Series high-performance microcontrollers based on Arm

Cortex

-M7 core. The Discovery kit combines the STM32F723 features with 240x240 pixel

LCD with touch panel, SAI audio codec, MEMS microphones, USBs OTG HS and OTG FS,

Quad-SPI NOR Flash memory, and microSD™ card connector.

An embedded ST-LINK/V2-1 debugger/programmer is included. Specialized add-on boards

can be connected through the ARDUINO

Uno V3, Pmod

™

, or STMod+ expansion

connectors.

Pictures are not contractual.

Figure 1. 32F723EDISCOVERY (Top view) Figure 2. 32F723EDISCOVERY (Bottom view)

www.st.com

Contents UM2140

2/48 UM2140 Rev 3

Contents

1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1 Codification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3 Development environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.1 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.2 Development toolchains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5 Hardware layout and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5.1 32F723EDISCOVERY Discovery kit layout . . . . . . . . . . . . . . . . . . . . . . . .11

5.2 32F723EDISCOVERY Discovery kit mechanical drawing . . . . . . . . . . . . 13

5.3 Embedded ST-LINK/V2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.3.1 Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.3.2 ST-LINK/V2-1 firmware upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.4 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.4.1 Supplying the board through the ST-LINK USB port (default setting) . . 15

5.4.2 Supplying the board through a charger connected to ST-LINK . . . . . . . 16

5.4.3 Supplying the board from E5V (On CN3 or CN12 connector) . . . . . . . . 17

5.4.4 Supplying the board from an external power supply through USB HS . 18

5.4.5 Supplying the board from an external power supply through USB FS . 18

5.5 Programming/debugging when the power supply is not from

ST-LINK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.6 Clock sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.7 Reset sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.8 Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.9 USB OTG HS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5.10 USB OTG FS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5.11 PSRAM memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.12 Quad-SPI NOR Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.13 Virtual COM port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21