ST STM32F072 Manual de usuario

March 2020 UM1690 Rev 3 1/27

UM1690

User manual

Discovery kit for STM32F0 Series microcontrollers

with STM32F072RB

Introduction

The STM32F072 Discovery kit (32F072BDISCOVERY) helps users to discover the full

features of the STM32F0 Series and develop their applications. It is based on an

STM32F072RBT6 microcontroller and includes an ST-LINK/V2 embedded debug tool

interface, ST MEMS gyroscope, LEDs, push-buttons, linear touch sensor, touch keys, RF

EEPROM connector and a USB Mini-B connector.

Figure 1. STM32F072 Discovery kit

Picture is not contractual.

www.st.com

Contents UM1690

2/27 UM1690 Rev 3

Contents

1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

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

2.1 Product marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2 Codification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3 Development environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.1 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.2 Development toolchains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.3 Demonstration software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5 Hardware layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.1 Embedded ST-LINK/V2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5.1.1 Using ST-LINK/V2 to program/debug the STM32F072 on board . . . . . 12

5.1.2 Using ST-LINK/V2 to program/debug an external STM32 application . . 13

5.2 Power supply and power selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.3 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.4 Pushbuttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.5 Linear touch sensor / touch keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.6 USB device support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.7 BOOT0 configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.8 Embedded USB Bootloader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.9 Gyroscope MEMS (ST MEMS I3G4250D) . . . . . . . . . . . . . . . . . . . . . . . . 16

5.10 JP2 (Idd) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.11 Extension and RF EEPROM connector . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.12 OSC clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.12.1 OSC clock supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.12.2 OSC 32 KHz clock supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.13 Solder bridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.14 Extension connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

UM1690 Rev 3 3/27

UM1690 Contents

6 Mechanical drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

List of tables UM1690

4/27 UM1690 Rev 3

List of tables

Table 1. Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Table 2. Codification explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Table 3. ON/OFF conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Table 4. Jumper states . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Table 5. Debug connector CN4 (SWD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Table 6. Extension and RF EEPROM connector (CN3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 7. Solder bridges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Table 8. MCU pin description versus board function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Table 9. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

UM1690 Rev 3 5/27

UM1690 List of figures

List of figures

Figure 1. STM32F072 Discovery kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Figure 2. Hardware block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 3. Top layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 4. Bottom layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 5. STM32F072 Discovery kit connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 6. ST-LINK connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 7. Extension and RF EEPROM connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 8. STM32F072 Discovery kit mechanical drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Features UM1690

6/27 UM1690 Rev 3

1 Features

The STM32F072 Discovery kit offers the following features:

•STM32F072RBT6 microcontroller based on the Arm®(a) Cortex®-M0 processor,

featuring 128 Kbytes of Flash memory, 16 Kbytes of SRAM in an LQFP64 package

•USB FS with Mini-B connector

•I3G4250D ST MEMS motion sensor 3-axis digital output gyroscope

•One linear touch sensor or four touch keys

•Six LEDs:

– LD1 (red/green) for USB communication

– LD2 (red) for 3.3 V power on

– Four user LEDs: LD3 (red), LD4 (orange), LD5 (green) and LD6 (blue)

•Two push-buttons (user and reset)

•RF EEPROM daughterboard connector

•Extension header for LQFP64 I/Os for quick connection to a prototyping board and

easy probing

•On-board ST-LINK/V2 with switch to use the kit as a standalone ST-LINK/V2 (with

SWD connector for programming and debugging)

•Flexible power supply options:

– USB bus or external 5 V supply voltage

•Power supply output for external applications: 3 V and 5 V

•Comprehensive free software including a variety of examples, part of STM32CubeF0

or STM32SnippetsL0 packages or STSW-STM32139 for legacy Standard Libraries

usage

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

UM1690 Rev 3 7/27

UM1690 Ordering information

2 Ordering information

To order the 32F072BDISCOVERY Discovery kit, refer to Table 1. Additional information is

available from the datasheet and reference manual of the target STM32.

2.1 Product marking

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

be used as reference designs or in production. Any consequences arising from such usage

will not be at ST’s charge. In no event will ST 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 section ‘Package information’ of the STM32 datasheet at

www.st.com).

•next to the evaluation tool ordering part number, that is stuck or silkscreen printed on

the board

2.2 Codification

The meaning of the codification is explained in Table 2.

Table 1. Ordering information

Order code Board reference Target STM32

STM32F072B-DISCO MB1076 STM32F072RBT6

Table 2. Codification explanation

32XXYYZDISCOVERY Description Example: 32F072BDISCOVERY

32XX MCU series in STM32 32-bit Arm

Cortex MCUs STM32F0 Series

YY MCU product line in the series STM32F072

ZSTM32 Flash memory size:

– B for 128 Kbytes 128 Kbytes

DISCOVERY Discovery kit Discovery kit

Development environment UM1690

8/27 UM1690 Rev 3

3 Development environment

3.1 System requirements

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

•USB Type-A to Mini-B cable

3.2 Development toolchains

•IAR™ - EWARM(c)

•Keil®- MDK-ARM(c) (d)

•STMicroelectronics - STM32CubeIDE

3.3 Demonstration software

The demonstration software, included in the STM32Cube MCU Package, 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 the www.st.com/stm32f0-discovery webpage.

4 Conventions

Table 3 provides the definition of some conventions used in the present document.

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

b. All other trademarks are the property of their respective owners.

c. On Windows®only.

d. Free MDK-ARM for Arm®Cortex®-M0/M0+ cores.

Table 3. ON/OFF conventions

Convention Definition

Jumper JPx ON Jumper fitted

Jumper JPx OFF Jumper not fitted

Solder bridge SBx ON SBx connections closed by solder

Solder bridge SBx OFF SBx connections left open

UM1690 Rev 3 9/27

UM1690 Hardware layout

5 Hardware layout

The STM32F072 Discovery kit is designed around the STM32F072RBT6 microcontroller in

a 64-pin LQFP package.

Figure 2 illustrates the connections between the STM32F072RBT6 and its peripherals (ST-

LINK/V2, ST MEMS gyroscope I3G4250D, LEDs, push buttons, linear touch sensor, touch

keys, RF EEPROM connector and a USB Mini-B connector).

Figure 3 and Figure 4 help to locate these features on the STM32F072 Discovery board.

Figure 2. Hardware block diagram

MS33267V2

Embedded

ST-LINK/V2

STM32F072RBT6

I/O I/O

I/O RESET

LEDs

LD3 to LD6

I3G4250D

RESET

USER

Mini-USB

SWD

Header

EXT/RF-EEP

Linear touch

sensor

Hardware layout UM1690

10/27 UM1690 Rev 3

Figure 3. Top layout

MSv33268V2

ST-LINK/V2

USB ST-LINK USB USER

LD1

COM LED

LD2

PWR LED

5 V power supply

input/output

CN5

ST-LINK/DISCOVERY

selector

LD3 (red LED)

LD5 (green LED)

LD6 (blue LED)

reset button

user button

Linear touch sensor

/touchkeys

STM32F072RBT6

JP2

Idd measurement

LD4

(orange LED)

CN4

SWD connector

3 V power supply

input/output

CN3 extension or

RF EEPROM connector

Otros manuales para STM32F072

Este manual sirve para los siguientes modelos

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ST BlueNRG Manual de usuario

ST STEVAL-STWINKT1 Manual de usuario

ST STEVAL-IDB007V1M SPBTLE-1S Manual de usuario

ST STM32G4 Series Manual de usuario

ST STEVAL-STWINBX1 Manual de usuario

ST STM32 Nucleo Manual de usuario

ST STM32F4 Series Manual de usuario

ST STM32H74xI/G Manual de usuario

ST STM32C0 Series Instrucciones de instalación y funcionamiento

ST SPC58EC-DISP Manual de usuario

ST Turbo uPSD DK3300-ELCD Manual de usuario

ST STM32F446 Series Manual de usuario

ST STEVAL-BCN002V1B Manual de usuario

ST VIP-M07SPI-ADIS Manual de usuario

ST STM32L4 5 Series Manual de usuario

ST NUCLEO-WB55RG STM32WB Manual de usuario

ST STM32F207 series Manual de usuario

ST Turbo+ mPSD DK3400 Manual de usuario

ST VD6283 Manual de usuario

ST Sound Terminal STA333W Manual de usuario

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