ST UM1472 Manual de usuario

January 2012 Doc ID 022256 Rev 2 1/38

UM1472

User Manual

STM32F4DISCOVERY

STM32F4 high-performance discovery board

Introduction

The STM32F4DISCOVERY helps you to discover the STM32F4 high-performance features

and to develop your applications. It is based on an STM32F407VGT6 and includes an

ST-LINK/V2 embedded debug tool interface, ST MEMS digital accelerometer, ST MEMS

digital microphone, audio DAC with integrated class D speaker driver, LEDs, pushbuttons

and a USB OTG micro-AB connector.

Figure 1. STM32F4DISCOVERY

www.st.com

Contents STM32F4DISCOVERY

2/38 Doc ID 022256 Rev 2

Contents

1Conventions................................................5

2Quickstart.................................................6

2.1 Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.2 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.3 Development toolchain supporting the STM32F4DISCOVERY . . . . . . . . . 6

2.4 Order code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3Features...................................................7

4Hardwareandlayout.........................................8

4.1 STM32F407VGT6 microcontroller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.2 Embedded ST-LINK/V2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.2.1 Using ST-LINK/V2 to program/debug the STM32F4 on board . . . . . . . . 14

4.2.2 Using ST-LINK/V2 to program/debug an external STM32 application . . 15

4.3 Power supply and power selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.4 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.5 Pushbuttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.6 On board audio capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.7 USB OTG supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.8 Motion sensor (ST MEMS LIS302DL) . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.9 JP1 (Idd) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.10 OSC clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.10.1 OSC clock supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.10.2 OSC 32 KHz clock supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.11 Solder bridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.12 Extension connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5Mechanicaldrawing........................................30

6Electricalschematics.......................................31

7Revisionhistory...........................................37

STM32F4DISCOVERY List of tables

Doc ID 022256 Rev 2 3/38

List of tables

Table 1. ON/OFF conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Table 2. Jumper states . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Table 3. Debug connector CN2 (SWD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Table 4. Solder bridges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Table 5. MCU pin description versus board function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Table 6. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

List of figures STM32F4DISCOVERY

4/38 Doc ID 022256 Rev 2

List of figures

Figure 1. STM32F4DISCOVERY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Figure 2. Hardware block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 3. Top layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 4. Bottom layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 5. STM32F407VGT6 package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 6. STM32F407VGT6 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 7. Typical configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 8. STM32F4DISCOVERY connections image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 9. ST-Link connections image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 10. STM32F4DISCOVERY mechanical drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Figure 11. STM32F4DISCOVERY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Figure 12. ST-LINK/V2 (SWD only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Figure 13. MCU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Figure 14. Audio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Figure 15. USB_OTG_FS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Figure 16. Peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

STM32F4DISCOVERY Conventions

Doc ID 022256 Rev 2 5/38

1 Conventions

Ta bl e 1 provides the definition of some conventions used in the present document.

Table 1. 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

Quick start STM32F4DISCOVERY

6/38 Doc ID 022256 Rev 2

2 Quick start

The STM32F4DISCOVERY is a low-cost and easy-to-use development kit to quickly

evaluate and start a development with an STM32F4 high-performance microcontroller.

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

Agreement from www.st.com/stm32f4-discovery.

For more information on the STM32F4DISCOVERY and for demonstration software, visit

www.st.com/stm32f4-discovery.

2.1 Getting started

Follow the sequence below to configure the STM32F4DISCOVERY board and launch the

DISCOVER application:

1. Check jumper position on the board, JP1 on, CN3 on (DISCOVERY selected).

2. Connect the STM32F4DISCOVERY board to a PC with a USB cable ‘type A to mini-B’

through USB connector CN1 to power the board. Red LED LD2 (PWR) then lights up.

3. Four LEDs between B1 and B2 buttons are blinking.

4. Press user button B1 to enable the ST MEMS sensor, move the board and observe the

four LEDs blinking according to the motion direction and speed. (If you connect a

second USB cable ‘type A to micro-B’ between PC and CN5 connector then the board

is recognized as standard mouse and its motion will also control the PC cursor).

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

www.st.com/stm32f4-discovery and follow the tutorial.

6. Discover the STM32F4 features, download and execute programs proposed in the list

of projects.

7. 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 STM32F4DISCOVERY

●Altium, TASKING™ VX-Toolset

●Atollic, TrueSTUDIO

●IAR, EWARM

●Keil™, MDK-ARM

2.4 Order code

To o r de r th e S T M3 2 F 4 h i gh - p e rfo r m a n c e d i s co ve r y b o a r d , u s e t h e o r d e r c o d e

STM32F4DISCOVERY.

STM32F4DISCOVERY Features

Doc ID 022256 Rev 2 7/38

3 Features

The STM32F4DISCOVERY offers the following features:

●STM32F407VGT6 microcontroller featuring 1 MB of Flash memory, 192 KB of RAM in

an LQFP100 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 5V supply voltage

●External application power supply: 3V and 5V

●LIS302DL, ST MEMS motion sensor, 3-axis digital output accelerometer

●MP45DT02, ST MEMS audio sensor, omnidirectional digital microphone

●CS43L22, audio DAC with integrated class D speaker driver

●Eight LEDs:

–LD1(red/green)forUSBcommunication

–LD2(red)for3.3Vpoweron

–FouruserLEDs,LD3(orange),LD4(green),LD5(red)andLD6(blue)

–2USBOTGLEDsLD7(green)VBusandLD8(red)over-current

●Tw o p u s h bu tt o n s ( u s e r a n d r e s e t )

●USB OTG with micro-AB connector

●Extension header for LQFP100 I/Os for quick connection to prototyping board and easy

probing

Hardware and layout STM32F4DISCOVERY

8/38 Doc ID 022256 Rev 2

4 Hardware and layout

The STM32F4DISCOVERY is designed around the STM32F407VGT6 microcontroller in a

100-pin LQFP package.

Figure 2 illustrates the connections between the STM32F407VGT6 and its peripherals (ST-

LINK/V2, pushbutton, LED, Audio DAC, USB, ST MEMS accelerometer, ST MEMS

microphone, and connectors).

Figure 3 and Figure 4 help you to locate these features on the STM32F4DISCOVERY.

Figure 2. Hardware block diagram

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STM32F4DISCOVERY Hardware and layout

Doc ID 022256 Rev 2 9/38

Figure 3. Top layout

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Hardware and layout STM32F4DISCOVERY

10/38 Doc ID 022256 Rev 2

Figure 4. Bottom layout

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