ST STM32F0DISCOVERY User manual

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STM32F0DISCOVERY

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May 2012 Doc ID 022910 Rev 2 1/41

UM1525

User manual

STM32F0DISCOVERY

Discovery kit for STM32 F0 microcontrollers

Introduction

The STM32F0DISCOVERY helps you to discover the STM32 F0 Cortex™-M0 features and

to develop your applications easily. It is based on STM32F051R8T6, an STM32 F0 series

32-bit ARM® Cortex™ microcontroller, and includes an ST-LINK/V2 embedded debug tool,

LEDs, push buttons and a prototyping board.

Figure 1. STM32F0DISCOVERY

Table 1. Applicable tools

Type Part number

Evaluation tools STM32F0DISCOVERY

www.st.com

Contents UM1525

2/41 Doc ID 022910 Rev 2

Contents

1 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2 Quick start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1 Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.3 Development toolchain supporting the STM32F0DISCOVERY . . . . . . . . . 7

2.4 Order code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4 Hardware and layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.1 STM32F051R8T6 microcontroller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.2 Embedded ST-LINK/V2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.2.1 Using ST-LINK/V2 to program/debug the STM32 F0 on board . . . . . . . 15

4.2.2 Using ST-LINK/V2 to program/debug an external STM32 application . . 16

4.3 Power supply and power selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.4 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.5 Push buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.6 JP2 (Idd) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.7 OSC clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.7.1 OSC clock supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.7.2 OSC 32 KHz clock supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.8 Solder bridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.9 Extension connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5 Connecting modules on the prototyping board . . . . . . . . . . . . . . . . . . 27

5.1 Mikroelektronica accessory boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

5.2 ST MEMS “adapter boards”, standard DIL24 socket . . . . . . . . . . . . . . . . 30

5.3 Arduino shield boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

6 Mechanical drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

7 Electrical schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

UM1525 Contents

Doc ID 022910 Rev 2 3/41

8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

List of tables UM1525

4/41 Doc ID 022910 Rev 2

List of tables

Table 1. Applicable tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Table 2. ON/OFF conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Table 3. Jumper states . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Table 4. Debug connector CN3 (SWD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Table 5. Solder bridge settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Table 6. MCU pin description versus board function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Table 7. Connecting using mikroBUS™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Table 8. Connecting using IDC10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Table 9. Connecting with a DIL24 board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Table 10. Supported MEMS adapter boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Table 11. Connecting with Arduino shields. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 12. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

UM1525 List of figures

Doc ID 022910 Rev 2 5/41

List of figures

Figure 1. STM32F0DISCOVERY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

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

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

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

Figure 5. STM32F051R8T6 package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 6. STM32F051R8T6 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 7. Typical configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 8. STM32F0DISCOVERY connections image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 9. ST-LINK connections image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 10. Using IDC10 and mikroBUS™ connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 11. DIL24 socket connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Figure 12. Arduino shield board connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Figure 13. STM32F0DISCOVERY mechanical drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Figure 14. STM32F0DISCOVERY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 15. ST-LINK/V2 (SWD only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Figure 16. MCU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Conventions UM1525

6/41 Doc ID 022910 Rev 2

1 Conventions

Tabl e 2 provides the definition of some conventions used in the present document.

Table 2. ON/OFF conventions

Convention Definition

Jumper JP1 ON Jumper fitted

Jumper JP1 OFF Jumper not fitted

Solder bridge SBx ON SBx connections closed by solder

Solder bridge SBx OFF SBx connections left open

UM1525 Quick start

Doc ID 022910 Rev 2 7/41

2 Quick start

The STM32F0DISCOVERY is a low-cost and easy-to-use development kit to quickly

evaluate and start development with an STM32 F0 series microcontroller.

Before installing and using the product, please accept the Evaluation Product License

Agreement from www.st.com/stm32f0discovery.

For more information on the STM32F0DISCOVERY and for demonstration software, visit

www.st.com/stm32f0discovery.

2.1 Getting started

Follow the sequence below to configure the STM32F0DISCOVERY board and launch the

DISCOVER application:

1. Check jumper position on the board, JP2 on, CN2 on (Discovery selected).

2. Connect the STM32F0DISCOVERY board to a PC with a USB cable ‘type A to mini-B’

through USB connector CN1 to power the board. Red LED LD1 (PWR) and LD2 (COM)

light up and green LED LD3 blinks.

3. Press user button B1 (bottom left corner of the board).

4. Observe how the green LED LD3 blinking changes according to USER button B1

clicks.

5. Each click on USER button B1 is confirmed by the blue LED LD4.

6. To study or modify the DISCOVER project related to this demo, visit

www.st.com/stm32f0discovery and follow the tutorial.

7. Discover the STM32F0 features, download and execute programs proposed in the list

of projects.

8. Develop your own application using available examples.

2.2 System requirements

●Windows PC (XP, Vista, 7)

●USB type A to Mini-B USB cable

2.3 Development toolchain supporting the STM32F0DISCOVERY

●Altium®, TASKING™ VX-toolset

●ARM®, Atollic TrueSTUDIO®

●IAR™, EWARM (IAR Embedded Workbench®)

●Keil™, MDK-ARM™

2.4 Order code

To order the STM32F0 Discovery kit, use the order code STM32F0DISCOVERY.

Features UM1525

8/41 Doc ID 022910 Rev 2

3 Features

The STM32F0DISCOVERY kit offers the following features:

●STM32F051R8T6 microcontroller featuring 64 KB Flash, 8 KB RAM in an LQFP64

package

●On-board ST-LINK/V2 with selection mode switch to use the kit as a standalone

ST-LINK/V2 (with SWD connector for programming and debugging)

●Board power supply: through USB bus or from an external 5 V supply voltage

●External application power supply: 3 V and 5 V

●Four LEDs:

– LD1 (red) for 3.3 V power on

– LD2 (red/green) for USB communication

– LD3 (green) for PC9 output

– LD4 (blue) for PC8 output

●Two push buttons (user and reset)

●Extension header for LQFP64 I/Os for quick connection to prototyping board and easy

probing.

●An additional board is provided with the kit which can be connected to the extension

connector for even easier prototyping and probing.

●A large number of free ready-to-run application firmware examples are available on

www.st.com/stm32f0discovery to support quick evaluation and development.

UM1525 Hardware and layout

Doc ID 022910 Rev 2 9/41

4 Hardware and layout

The STM32F0DISCOVERY is designed around the STM32F051R8T6 microcontroller in a

64-pin LQFP package.

Figure 2 illustrates the connections between the STM32F051R8T6 and its peripherals (ST-

LINK/V2, push button, LEDs and connectors).

Figure 3 and Figure 4 help you to locate these features on the STM32F0DISCOVERY.

Figure 2. Hardware block diagram

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