Discovery kit with STM32F411VE MCU
Contents
1. 12 Debug connector 2 SWD 14 Solder bIldges uz seed Rr Ri and Eae e aed Stas eee 18 MCU pin description versus board function 19 Document revision history 34 DoclD027213 Rev 1 0 1842 List of figures List of figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 d STM32F411 Discovery 1 Hardware block 9 NS ee eee 10 BottomilayOut C 11 Typical 4 12 STM32F411 Discovery board connections image 13 ST LINK connections 14 STM32F411 Discovery board mechanical drawing 27 STM32F411 Discovery 28 ST LINK V2 SWD 29 STM32F411VET6 MCU 30 Sea ate 312. Title STM32F411E DISCOVERY NumberMB1115 B 2 PCB SCH Date 10 16 2014 Sheet of 6 4 25 e211129 3 evs Linn ed 21220 0 0 92 66 Figure 10 ST LINK V2 SWD only TCK SWCLK TMS SWDIO T NRST SWD 5815 gt Board Ident 13 0 R14 ui 5 10K D2 EN SWD R2 AIN 1 zi zz INA a Eli 2 BATOOJFILM id 1 02 2 22 583 SB2 MCEK STM32F103C8T6 3 D ae ee SIM JTCK 4 585 SB4 22 9 a RIS A 5 A TES n RIO 22 587 586 6 bopFxi 1 36 RIG T NRST 5 5 SWDIO VBAT m 6 VDD2 4 v ANY 2 2 35 6 22 SB9 SB8 T 1 Vss2 e R17 ied JTMS SWDIO JTMS T SWO 8MHz 4 PAID 243 USB DP 22 RI8 i OSC IN EX 32 USB DM
3. OTG FS PowerSwitchOn VBUS FS OTG FS DM OTG FS DP OTG FS ID 65 20 1 8 49 SLED red v6 WK ne 10K 2 1 M PDS cpp gt 979 5 R42 4 Sun CNS 0 C54 4 2 STMPS2141STR E 2 5 8 j DP GND ET z m a H Shield gt 9 USB MICRO AB R56 22 z PAIZ 5 22 PAIO R57 0 Ead 09 64 Di 5T D out D in 2 EL 82 pup green D2 R54 GND EMIF02 USBO3F2 ENT 9013 50 23 STMicroelectronics Title STM32F411E DISCOVERY USB_OTG_FS NumberMB1115 Rev B 2 PCB SCH Date 10 16 2014 Sheet5 of 4 25 e21129 3 cvs LINN ed 21220 0 0 95 55 Figure 14 Peripherals SPII_SCK SPII MOSI SPII MISO CS DC SPI MEMS INT2 MEMS INTI CA2 4 7uF VDD R37 100 Ds C36 m A ri R34 m 5 5821 330 x Rs 0 220K USER amp WAKE UP Button US VDD 10 SCL SDA INT2 INTI GND VDD SETC SETP GND DRD NC
4. 9 A 1_14 1 20 5 1_15 9 1 1252 usaRre pe S 2 1253 z _ 5010 07 48 MCO_CPUCK 8 TIM3 65 45 USART6_CK 5010 DO 2 PC9 1263 50 1252 66 _ _ _ SDIO I2S3ext CK 2 10 SPI3_SCK 283_CK 1 5010 02 I2S3ext SD 11 5010 D3 79 28 E I2S3ext MISO 12 sPI3 253 SD 80 Mem 35 CK 13 1 aaa 14 OSC32 IN 8 le a el o 9 P 15 OSC32_OUT 40 O PDO 1 6 Ly DoclD027213 Rev 1 23 35 Hardware layout UM1842 Table 5 MCU pin description versus board function page 6 of 8 continued MCU pin Board function 2 a SINE 0 4 Alternate a 2 9
5. USB FS SCL SDIO D4 TIM4 CH4 TIM11 I2C1 SDA SPI2 55 252 WS USB FS SDA SDIO D5 TIM2 CH3 12C2 SCL SPI2 SCK I282 CK VCAP1 TIM1_BKIN 2 2 SMBAL SPI2_NSS I2S2_WS 1252 WS TIM1 SPi2 SCKa2S2 52 7 I2S2ext TIM1_CH2N PB14 SPI2_MISO 8 12 2 SD RTC 50Hz TIM1 CH3N SPI2 MOSI I2S2 SD I2S2ext MISO PB9 96 20 SDA SDA PB10 34 12 5il 15 1 10 15 1 1 1 1 1 1 1 PC1 ADC1 11 16 SPI2 MISO 2 52 SD ADC1 12 PC2 17 10 2 22 35 DoclD027213 Rev 1 0 1842 Hardware layout Table 5 MCU pin description versus board function page 5 of 8 continued MCU pin Board function 2 i SINE gla lala Main Alternate 22252 21272 function functions 3 9 l SPI2 MOSI I2S2 SD 8 43 18 e e
6. eose nur ERBEN 100K osc OUT _ 6 Gscour PAio 31 1 SWO ETUR STM_RST 7 NRST A9 30 LED STLINK Ree RC Must be very close to STM32F103 pin 29 8 29 MCO BAN EISE qeu 5 12 10058 R20 467 AN 1 10 pag 27 LIMS D e PBI3 267 gt DISCOVERY Selected ANY 2 100 Jumpers OFF gt ST LINK Selected T SWDIO IN Not Fitted B LES STM32F4_USART2_RX Wired on Solder Side PAB gt Idd 2 2 VDD gt COM 7 STLINK RX R13 Es 8 32 4 USART2 TX IK LED STLINK Not Fitted win LD BICOLOR CMS Close to JP Not Fitted EXT SV Input or Output PWR 07 C12 C10 100nF 100nF 100nF 100nF UM V sv Ul D3 a a 1 4 vi Vout _5__ BATGOJFILM 3 I BYPASS USB sv U3 2 5 Ale luF c dva 85 33 e OUT Output 1 1 5 3 100 10nF 100nF bs 2 R9 Mo USB DM V c 7 EM x 3 USB DP luF D DE 100K LD3985M25H ans 16 CI5 E 6 100 10 100nF SHELL it 4 4 4 STMicroelectronics USB MINI typeB Titl STM32F411E DISCOVERY ST LINK V2 SWD only NumberMB111 Rev B 2 PCB SCH Date 10 16 2014 Sheet2 of 6 cvs LINN
7. 25 e21129 3 95 05 ed 21220 0 0 Figure 11 STM32F411VET6 MCU 1 2 3 4 BOOT1 pou R30 10K PB2 R31 510 5820 T R27 R32 Must be close to the Crystal 4 7K PB6 12 PHO OSC IN PHI OSC OUT 8 PCI4 OSC32 IN PCI4 L9 PCI5 OSC32 OUT 0 Slee 181 14 TAL 32K 20PPM C28 oom R21 94 BOOTO R28 510 D 1 STM32F411VET6OU 6 8pF VDD U4B R29 5819 1 11 SBIT Not Fitted 19 R23 25 2 VDD Ferrite c22 C21 100 100nF li C24 C23 21 1uF 100nF 22 7 VBAT 2 C30 C26 C31 C35 STM32F411VET6U C38 C33 10044 100 1005 10058 2 2uF STMicroelectronics C25 C32 C34 C29 C27 1001 1001 1000 100 Title i STM32F411E DISCOVERY MCU NumberMB1115 Rev B 2 PCB SCH Date 10 16 2014 Sheet3 of 6 1 2 3 4 25 e21129 3 cvs Linn ed 21220 0 0 GE LE Figure 12 Audio Audio RST
8. function functions 2 o d 3 n D PE3 2 6 T O PE4 g 5 7 26 9 10 d mou m PE11 TIM1_CH2 5 4 NSS 42 _ 29 TIM1_CH3N PE12 SPld a o re PE13 1 CH 5 4 MISO 44 14 CH4SPM MOSI 45 2 15 TIM1 BKIN 46 xe e OSC ol 9 PH1 OSC OUT 13 6 8 0o gt gt 2 4 gt gt 2 6 gt DoclD027213 Rev 1 25 35 Hardware layout UM1842 Table 5 MCU pin description versus board function page 8 of 8 continued MCU pin Board function QU gt 2 5 8 Alternate function functions PME
9. s E C60 C61 Us 22 22 2 Audio SDA PB9 1 s 15 Audio SCL PB6 2 PUN d 5 31 EA SCLK OUTA NS SDIN SPKR OUTA LRCK SPKR_OUTB C49 C50 PD4 gt RESET SPKR OUTB 100nF 100nF m 3v 10 vuprILT ve 5 10K FLYN 30 C47 C56 EE 845 R46 pa4 Audio DAC OUT 2 ANIA Wy FLYP AIN2B 57 100 AIN2A 5 AINSB Hat 5000 AN3A SS ANY 16 22 C57 lt 58 100K C44 C45 C59 me 34 x PR R52 Ld PC3 PDM OUT 100nF 100nF 100nF 100 0 Lo 361180 Yo 3 TSTO AFILTB 57 t L AFILTA i DGND FILT 41 17 luF ioo T 7 GND Thermal Pad AGND 150pF 543122 DC address 0x94 R62 SNA C66 C65 100nF 010 10uF LR GND vop 5 OUT cae t CLK 4 10 MP45DT02 STMicroelectronics Title STM32F411E DISCOVERY Audio NumberMB1115 Rev B 2 PCB SCH Date 10 16 2014 Sheet4 of 4 cvs LINN 25 e21129 3 ed 0 29 Figure 13 USB OTG FS
10. 5151012 51 eje mL mS gt gt ala 5 3 1 s ox me RIS RR 3 pe SEE Le ee 3 m 50 O 1 The default configuration for the functions used on the boards is shown in grey color 26 35 DoclD027213 Rev 1 0 1842 Mechanical drawing 5 Mechanical drawing Figure 8 STM32F411 Discovery board mechanical drawing 97 00mm 6 33mm 3 34mm 33 82mm 27 94mm c31 WC Wh ON R31 C4 i B2 37 60 96mm 2 22mm 5 8 R34 PBO 66 00mm 53 34mm 22288 wu 82 icom stm32f4 discovery 621 BIOS Tim A TAE 28 Bun 8 55 lay 53 34mm 66 00mm 6 33mm DISCOVERY STM32F411E DISCO MB1115B 2 3V ini PES i P
11. eja function functions 2 lols d 65553289 gt 2 5 PD1 le PD2 83 1 5 84 Es edem REP 5 mom m PD4 98 5 PD6 PD7 em PD8 55 40 PD9 5 PD10 ome eel PD11 RETE PD12 _ _ TIM4 CH1 cc PD13 TIM4_CH2 60 45 O Q PD14 TIM4_CH3 er Bam 4 PD15 TIM4_CH4 e2 p om 4 97 E oe 4 ES PE1 98 E 8 gt 2 24 35 DoclD027213 Rev 1 ky 0 1842 Hardware layout Table 5 MCU pin description versus board function page 7 of 8 continued MCU pin Board function a 9 3 8 Alternate m
12. LSM303DLHC LO C3 10008 17 VDD IO INTI GND SCL SPC SDA SDI SDO SA0 SDO CS DC SPI DRDY INT2 VDD GND GND 55 100nF C48 10nF 10uF 138020 MEMS VDD R33 ONRST gt NRST pay SBI tl e C39 58 100nF 9 5 a 6 RESET Button 104 12 AA gt LED green LD3 PD13 gt LED orange 105 LED R40 ma ms 5 DB as 1 29 LED blue LEDs STMicroelectronics The STM32F411E DISCOVERY Peripherals NumberMB111 _Rev B 2 PCB SCH Date 10 16 2014 Sheet of 4 cvs LINN 25 e21129 3 Revision history UM1842 7 34 35 Revision history Table 6 Document revision history Date 16 Dec 2014 Revision 1 Initial release Changes DoclD027213 Rev 1 2 0 1842 IMPORTANT NOTICE PLEASE READ CAREFULLY STMicroelectronics NV and its subsidiaries ST reserve the right to make changes corrections enhancements modifications and improvements to ST products and or to this document at any time without notice Purchasers should obtain the latest relevant information on ST products before placing orders ST pr
13. lt T UM1842 Sf i life augmented User manual Discovery kit with STM32F411VE MCU Introduction STM32F411 Discovery kit 32F411EDISCOVERY helps you to discover the entry level of the STM32F4 series and to develop your applications It is based on an STM32F411VET6 microcontroller and includes an ST LINK V2 embedded debug tool interface ST MEMS Gyroscope ST MEMS accelerometer magnetometer ST MEMS digital microphone audio DAC with integrated class D speaker driver LEDs pushbuttons and a USB OTG micro AB connector Figure 1 STM32F411 Discovery board December 2014 DoclD027213 Rev 1 1 35 www st com 0 1842 5 1 ees 6 2 Quick stari 7 2 1 Getting MT 7 2 2 System requirements 7 2 3 Development toolchains supporting the STM32F411 Discovery kit 7 2 4 Order code xac Re OCC CAS 7 3 a Soe a en eee is ce ig 8 4 Hardware layout dn dada bed 9 4 1 Embedded ST LINK V2 12 4 1 1 Using ST LINK V2 to program debug the STM32F411 on board 13 4 1 2 Using ST LINK V2 to program debug an external STM32 application 14 4 2 Powe
14. we RR i USART2 RX ADC1 3 DoclD027213 Rev 1 19 35 Hardware layout UM1842 Table 5 MCU pin description versus board function page 2 of 8 continued MCU pin Board function Main function PA4 Alternate functions SPI1_NSS SPI3 NSS I283 WS USART2 CK ADC1 4 LQFP100 29 CS43L22 LRCK AIN1x MP45DT02 L3GD20 LSM303DLHC Pushbutton LED SWD USB osc Free I O Power supply CN5 CN2 1 2 16 5 2 1 2 11_5 ADC1_5 30 TIM1_BKIN TIM3 CH1 SPI1 MISO ADC1 6 31 18 7 TIM1 TIM3 CH2 SPI1 MOSI ADC1 7 32 SDA SDISDO SDO SCL SPC 17 8 1 1 1 1223 SCL USART1_CK USB FS SOF 67 PA9 TIM1 I2C3 SMBAL USART1 TX USB FS VBUS 68 GREEN VBUS PA10 USART1_RX USB FS ID 69 ID PA11 TIM1 USART1 CTS USARTO TX USB FS DM 70 DM PA12 TIM1 ETR USART1 RTS USART6_RX USB_FS_DP 71 20 35 DoclD027213 Rev 1 0 1842 Hardware layout Table 5 MCU pin description versus board function page 3 of 8 continued MCU pin Board function g amp Alte
15. PE2 PEO i PBB 9 PB6 4 207 4 PDS PD1 3 34mm 27 94mm 33 82mm 60 96mm MS36906V1 2 DoclD027213 Rev 1 27 35 S 8c ed 21220 0 0 6 Electrical schematics Figure 9 STM32F411 Discovery board TM32F4 USART2 TX TM32F4 USART2 PA9 ST LINK V2 SCHDOC U ST LINK TCK SWCLK TMS SWDIO T NRST T SWO U USB OTG FS USB OTG FS SchDoc ie NRST PCO PC3 PC2 PAT PAO 2 5 4 PAT PAG PCS PBI 2 BOOTI PB2 PET PES PEIO PEI2 PEI3 PEI4 PEIS 10 NC PBI2 PBI4 PBIS PDS PD9 PDIO PDIT PDI2 PDI3 PDI4 PDIS NC Header 25X2 STM32Fx STM32Fx SchDoc Audio Audio SchDoc 17 Peripherals Peripherals SchDoc n 1 1 PHI 14 15 1 PE4 5 2 PEO PEI PB8 PB9 BOOTO PB6 PB7 roD PB4 PB5 PD7 PD5 PD6 PD3 PD4 PDI PD2 12 PDO 10 PCIL PAI4 PAIS 10 PAI3 8 PC9 PC6 PUOI STMicroelectronics s Header 25X2
16. USB OTG FS i LP feces 32 Peripherals d ek WO 33 DoclD027213 Rev 1 5 35 Conventions UM1842 1 6 35 Conventions Table 1 provides the definition of some conventions used in the present document Table 1 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 DoclD027213 Rev 1 0 1842 Quick start 2 2 1 2 2 2 3 2 4 Quick start The STM32F411 Discovery is a low cost and easy to use development kit to quickly evaluate and start a development with an STM32F4 entry level 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 STM32F411 Discovery board and for demonstration software visit www st com stm32f4 discovery Getting started Follow the sequence below to configure the STM32F411 Discovery board and launch the DISCOVER application 1 Ensure that the jumpers JP2 and CN3 are set to on Discovery mode 2 Connect the STM32F411 Discovery board to a PC using a USB cable type A mini B through the USB ST LINK connector CN1 to power the board The LED LD2 PWR will light up and the four LE
17. USER 543122 136020 Mini Jack Micro USB LSM303DLHC MSv33103V1 DoclD027213 Rev 1 9 35 Hardware layout UM1842 Figure 3 Top layout COM SWD connector JP2 lbo measurement STM32F411VET6 B1 user button LD4 green LED LD6 blue LED LD7 green LED LD1 red green LED 7 gt 63 stm32f4 discovery a pan ag o pas 8 minimin 2A 98 Ne LD2 red LED PWR CN3 ST LINK DISCOVERY selector 5 V power supply input output power supply output SB1 B2 RESET LD3 orange LED B2 reset button LD5 red LED LD8 red LED MSv36904V1 10 35 DoclD027213 Rev 1 UM1842 Hardware layout Figure 4 Bottom layout 582 584 586 588 Ec RESERVED Wie iei e 8 583 585 587 589 4 DEFAULT 8 5810 5811 5815 SWO 8 5816 2 crystal 8 We 5817 crystal 5812 STM_RST SB18 X3 crystal SB13 NRST SB14 X2 crystal SB19 SB20 BOOT1 SB21 B1 USER EELE LE LLL F RESIS ee MS32362V1 d DoclD027213 Rev 1 11 35 Hardware layout UM1842 4 1 12 35 Embedded ST LINK V2 The ST LINK V2 programming and debugging tool is integrated on the STM32F411 Discovery board The embedded ST LINK V2 can be used in 2 different ways according
18. resistor 5819 BOOTO OFF BOOT signal of the STM32F411VET6 MCU is held high through 10 pull up resistor OFF The BOOT1 signal of the STM32F411VET6 MCU is held high through a 10 KO pull up resistor 5820 BOOT1 ON The BOOT1 signal of the STM32F411VET6 MCU is held low through a 510 pull down resistor 1 Default SBx state is shown in bold 4 13 Extension connectors The male headers P1 and P2 can connect the STM32F411 Discovery board to a standard prototyping wrapping board STM32F411VET6 GPI Os are available on these connectors P1 and P2 can also be probed by an oscilloscope logical analyzer or voltmeter Table 5 MCU pin description versus board function page 1 of 8 0 MCU pin Board function N Q 8 2 13 8 Alternate elg function functions wet 5 5 9 2d 5 BOOTO 21 5 4 5 ae X TIM2_CH1 TIM2_ETR PAO TIM5_CH1 _ _ lul USART2_CTS 2 ADC1_0 WKUP TIM2_CH2 TIM5_CH2 1 USART2_RTS ca Wwe ae ADC1_1 TIM2_CH3 5 CH3 TIM9 CH1 o d se es ice USART2 TX ADC1 2 TIM2 CHA TIM5 PA3 TIM9 CH2 25 1 toi e
19. to the jumper states see Table 2 Program debug the MCU on board Program debug an MCU in an external application board using a cable connected to SWD connector CN2 The embedded ST LINK V2 supports only SWD for STM32 devices For information about debugging and programming features refer to user manual UM1075 ST LINK V2 in circuit debugger programmer for STM8 and STM32 which describes in detail all the ST LINK V2 features Figure 5 Typical configuration Hardware requirements USB cable type A to mini B Computer with Windows XP 7 or 8 Development toolchains Keil MDK ARM IAR EWARM GCC based IDEs TrueStudio MSv36913V1 Table 2 Jumper states Jumper state Description Both CN3 jumpers ON ST LINK V2 functions enabled for on board programming default ST LINK V2 functions enabled for application through external Both CN3 jumpers OFF CN2 connector SWD supported d DoclD027213 Rev 1 0 1842 Hardware layout 4 1 1 Using ST LINK V2 to program debug the STM32F411 on board To program the STM32F411 on board simply plug in the two jumpers on CN3 as shown in Figure 6 in red but do not use the CN2 connector as that could disturb communication with the STM32F411VET6 of the STM32F411 Discovery board Figure 6 STM32F411 Discovery board connections image CN2 ig E RO z SWD connector RED 2 WwW LINK DISCOVE
20. 24 and R25 provide a clock PH1 are disconnected from P2 SB14 16 X2 crystal ON PH1 are connected to P2 R24 R25 and R66 must not be fitted SB3 5 7 9 Default ON Reserved do not modify SB2 4 6 8 Reserved OFF Reserved do not modify OFF X3 C20 C28 R21 and R22 deliver a 32 KHz clock 5817 18 crystal 14 15 2 14 PC15 only connected to 2 Remove only R21 R22 ON B2 pushbutton is connected to the NRST pin of the STM32F411VET6 MCU SB1 B2 RESET OFF B2 pushbutton is not connected to the NRST pin of the STM32F411VET6 MCU ON B1 pushbutton is connected to PAO 5821 B1 USER OFF B1 pushbutton is not connected to PAO ON NRST signal of the CN2 connector is connected to the NRST pin of the STM32F411VET6 MCU 5813 NRST OFF NRST signal of the CN2 connector is not connected to the NRST pin of the STM32F411VET6 MCU ON SWO signal of the CN2 connector is connected to PB3 5815 SWO OFF SWO signal is not connected OFF Reserved do not modify 5810 11 RX TX ON Reserved do not modify OFF No incidence on STM32F103C8T6 ST LINK V2 NRST signal 5812 STM_RST ON STM32F103C8T6 ST LINK V2 signal is connected to GND 18 35 2 DoclD027213 Rev 1 UM1842 Hardware layout Table 4 Solder bridges continued Bridge State 1 Description ON signal of the STM32F411VET6 MCU is held low through 510 pull down
21. Ds between the buttons B1 and B2 start blinking 3 Press the user button B1 to enable the MEMS sensor The four LEDs will indicate the board motion direction and speed When connected to a PC with a second USB type A micro B cable through 5 the board will be recognized as a standard mouse 4 demo software as well as other software examples that allow you to discover the 5 32 4 series features are available on www st com stm32f4 discovery 5 Develop your own applications starting from the examples System requirements e Windows PC XP 7 8 e USB type to mini B cable Development toolchains supporting the STM32F411 Discovery kit Keil MDK ARM e EWARM GCC based IDEs Atollic TrueStudio Order code To order the Discovery kit for STM32F411 microcontrollers use the order code STM32F411E DISCO DoclD027213 Rev 1 7135 Features UM1842 3 8 35 Features The STM32F411 Discovery board offers the following features STM32F411VET6 microcontroller featuring 512 KB of Flash memory 128 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 5 V supply voltage External application power supply 3 V and 5 V L3GD20 ST MEMS motion sensor 3 axis digital output gyroscope LSM303DLHC ST MEMS system in packa
22. RY ST re CN3 jumpers ON d DoclD027213 Rev 1 13 35 Hardware layout UM1842 4 1 2 Note 14 35 Using ST LINK V2 to program debug an external STM32 application It is very easy to use the ST LINK V2 to program the STM32 on an external application Simply remove the 2 jumpers from CN3 as shown in Figure 7 and connect your application to the CN2 debug connector according to Table 3 5813 must be OFF if you use CN2 pin 5 in your external application Table 3 Debug connector CN2 SWD Pin CN2 Designation 1 VDD_TARGET VDD from application 2 SWCLK SWD clock 3 GND Ground 4 SWDIO SWD data input output 5 NRST RESET of target MCU 6 SWO Reserved Figure 7 ST LINK connections image CN2 SWD connector STM32F411E DIS CO DISCOVERY CN3 jumpers OFF DoclD027213 Rev 1 0 1842 Hardware layout 4 2 4 3 4 4 2 Power supply and power selection The power supply is provided either by the host PC through the USB cable or by an external 5 V power supply The D1 and D2 diodes protect the 5 V and 3 V pins from external power supplies 5 and 3 V can be used as output power supplies when another application board is connected to pins P1 and P2 In this case the 5 V and 3 V pins deliver a 5 V or 3 V power supply and the power consumption must be lower than 100 mA 5 can also be used as inp
23. ator onboard from X2 crystal For typical frequencies and its capacitors and resistors please refer to the STM32F411VET6 Datasheet The configuration needed is 5814 SB16 OPEN R25 soldered R66 removed Oscillator from external PHO from external oscillator through pin 7 of the P2 connector The configuration needed is 5814 closed 5816 closed R25 and R66 removed 4 10 2 OSC 32 KHz clock supply If PC14 and PC15 only used as instead of as clock then 5817 5818 closed and R21 and R22 are removed Oscillator onboard from 1 Crystal not provided The configuration needed is 5817 SB18 OPEN C20 C28 R21 and R22 soldered DoclD027213 Rev 1 17 35 Hardware layout UM1842 Oscillator from external PC14 from external oscillator trough the pin 9 of P2 connector The configuration needed is SB17closed SB18 closed R21 and R22 removed 4 11 BOOTO configuration is at level through a pull down R28 If you want to set BOOTO at level 1 it can be configured by setting a jumper between P2 21 BOOTO and P2 22 Vpp Note If you need to set BOOTO at level 1 continuously then open SB19 solder bridge to avoid a consumption of 6 mA while connecting pin P2 21 and P2 22 with a jumper or with a wire 4 12 Solder bridges Table 4 Solder bridges Bridge State 1 Description OFF X2 C18 C19 R
24. easuring the acceleration and a magnetic field full scale from 1 3 g to 8 1 g with an output data rate of 100 Hz or 400 Hz The STM32F411VET6 MCU controls this motion sensor through the I2C interface Gyroscope MEMS ST MEMS L3GD20 The L3GD20 is an ultra compact low power three axis angular rate sensor It includes a sensing element and an IC interface able to provide the measured angular rate to the external world through the 2 serial interface The L3GD20 has dynamically user selectable full scales of 250 dps 500 dps 2000 dps and is capable of measuring rates 00 10027213 Rev 1 Ly UM1842 Hardware layout The STM32F411VET6 MCU controls this motion sensor through the SPI interface 4 9 JP2 Idd Jumper JP2 labeled Idd allows the consumption of STM32F411VET6 to be measured by removing the jumper and connecting an ammeter Jumper on STM32F411VET6 is powered default Jumper off an ammeter must be connected to measure the STM32F411VET6 current if there is no ammeter the STM32F411VET6 is not powered 4 10 OSC clock 4 10 1 OSC clock supply If PHO and PH1 are only used as GPIOs instead of as a clock then 5814 5816 are closed and R24 R25 and R66 are removed MCO from ST LINK from MCO of the STM32F 103 This frequency cannot be changed it is fixed at 8 MHz and connected to PHO OSC_IN of the STM32F411VET6 The configuration needed is 5814 SB16 OPEN R25 removed R66 soldered Oscill
25. ge featuring a 3D digital linear acceleration sensor and a 3D digital magnetic sensor MP45DT02 ST MEMS audio sensor omnidirectional digital microphone CS43L22 audio DAC with integrated class D speaker driver Eight LEDs 101 red green for USB communication 102 red for 3 3 V power on Four user LEDs LD3 orange 04 green LD5 red and LD6 blue Two USB OTG LEDs LD7 green VBus and LD8 red over current Two pushbuttons user and reset USB with micro AB connector Extension header for LQFP100 I Os for a quick connection to the prototyping board and an easy probing DoclD027213 Rev 1 0 1842 Hardware layout 4 d Hardware layout The STM32F411 Discovery board has been designed around the STM32F411VET6 microcontroller a 100 LQFP package Figure 2 illustrates the connections between the STM32F411VET6 and its peripherals ST LINK V2 pushbutton LED Audio DAC USB ST MEMS gyroscope ST MEMS accelerometer magnetometer ST MEMS microphone and connectors Figure 3 and Figure 4 help you to locate these features on the STM32F411 Discovery board Figure 2 Hardware block diagram Mini USB Embedded ST LINK V2 SWD STM32F411VET6 Header Header LEDs B2 LD3 LD8 RESET MP4SDTO2 B1
26. oducts are sold pursuant to ST s terms and conditions of sale in place at the time of order acknowledgement Purchasers are solely responsible for the choice selection and use of ST products and ST assumes no liability for application assistance or the design of Purchasers products No license express or implied to any intellectual property right is granted by ST herein Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product ST and the ST logo are trademarks of ST All other product or service names are the property of their respective owners Information in this document supersedes and replaces information previously supplied in any prior versions of this document 2014 STMicroelectronics All rights reserved d DoclD027213 Rev 1 35 35
27. r supply and power selection 15 4 3 LEDS cererea 0 15 44 Pushbuttons 15 45 Onboard audio 16 4 6 USB supported 16 4 7 55 MEMS ST MEMS LSM303DLHC 16 4 8 Gyroscope MEMS ST MEMS L3GD20 16 4 9 JP2 ldd ab keh eee a 17 410 des 17 4 101 OSC clock supply 17 4102 OSC 32 clock supply 17 411 configuration 18 4 12 Solder bridges 18 413 Extension connectors 19 5 Mechanical drawing 27 6 Electrical schematics 28 2 35 00 10027213 Rev 1 Ly 0 1842 7 Revision a aaa 9 C 4C P CE e 34 DoclD027213 Rev 1 3 35 List of tables UM1842 List of tables Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 4 35 ON OFF conventlons urne eek A ER eve LEA YR Gea 6 Jumper 5 5
28. rnate 2 82 28 function functions 2 o d 3 a 9 PA13 JTMS SWDIO ll JTCK SWCLK d E 10 P FS 1253 WS us 2 39 JTDI TIM2_CH1 TIM2_ETR PA15 SPI1_NSS 77 7 E gt 40 SPI3_NSS I2S3_WS TIM1_CH2N PBO 1 ee TIM1_CH3N 9 ng lc 21 2 eel JTDO SWO TIM2_CH2 SPI1_SCK 5 253 28 1222 SDA JTRST TIM3_CH1 SPI1 MISO d SPI3 MISO 25 1253 SD I2C3 SDA TIM3 CH2 I2C1 SMBAL e SPI1 MOSI E D EE E SPI3 MOSI I2S3 SD 4 1 12 1 SCL i 6 USART1_TX 210 2 USB_FS_INT 4 2 12 1 SDA PEN USART1_RX ky DoclD027213 Rev 1 21 35 Hardware layout UM1842 Table 5 MCU pin description versus board function page 4 of 8 continued MCU pin Board function Main Alternate function functions LQFP100 CS43L22 MP45DT02 L3GD20 LSM303DLHC Pushbutton LED SWD USB OSC Free I O Power supply CN5 CN2 1 2 TIM4 CH3 10 8 I2C1 SCL OB ew Bm
29. ugh the audio mini jack connector The STM32F411 controls the audio DAC through the 2 interface and processes digital signals through an 125 connection or analog input signal e The sound can come independently from different inputs ST MEMS microphone 450 02 digital using PDM protocol or analog when using the low pass filter USB connector from external mass storage such as a USB key USB HDD and 50 on Internal memory of the STM32F411 e The sound can be output in different ways through audio DAC Using the 125 protocol Using the microphone output directly via a low pass filter to analog input AINAx of the CS43L22 USB OTG supported The STM32F411 is used to drive only USB OTG full speed on this board The USB micro AB connector CN5 allows the user to connect a host or device component such as a USB key mouse and so on Two LEDs are dedicated to this module e 07 green LED indicates when VBUS is active e 108 red LED indicates an overcurrent from a connected device E compass MEMS ST MEMS LSM303DLHC The LSM303DLHC is an ultra compact low power system in package featuring a 3D digital linear acceleration sensor and a 3D digital magnetic sensor It includes a sensing element and an IC interface able to provide the measured acceleration to the external world through 2 serial interface The LSM303DLHC has dynamically user selectable full scales of 2g 8g and is capable of m
30. ut power supplies e g when the USB connector is not connected to the PC In this case the STM32F411 Discovery board must be powered by a power supply unit or by an auxiliary equipment complying with standard EN 60950 1 2006 A11 2009 and must be Safety Extra Low Voltage SELV with limited power capability LEDs LD1 COM LD1 default status is red LD1 turns to green to indicate that communications are in progress between the PC and the ST LINK V2 LD2 PWR The red LED indicates that the board is powered User LD3 The orange LED is a user LED connected to the I O PD13 of theSTM32F411VET6 User LD4 The green LED is a user LED connected to the I O PD12 of theSTM32F411VET6 User LD5 The red LED is a user LED connected to the I O PD14 of the STM32F411VET6 User LD6 The blue LED is a user LED connected to the I O PD15 of theSTM32F411VET6 USB 107 The green LED indicates when VBUS is present on CN5 and is connected to PAY of the STM32F411VET6 USB LD8 The red LED indicates an overcurrent from VBUS of CN5 and is connected to the I O PD5 of the STM32F411VET6 Pushbuttons B1 USER User and Wake Up button connected to the of the STM32F411VET6 B2 RESET The pushbutton connected to NRST is used to RESET the STM32F411VET6 DoclD027213 Rev 1 15 35 Hardware layout UM1842 4 5 4 6 4 7 4 8 16 35 On board audio capability The STM32F411 uses an audio DAC CS43L 22 to output sounds thro
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