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ST NUCLEO-L412RB-P User Manual Download Page 40

NUCLEO-L412RB-P, NUCLEO-L433RC-P and NUCLEO-L452RE-P I/O assignment 

UM2206

40/55

UM2206 Rev 3

Appendix A 

NUCLEO-L412RB-P, NUCLEO-L433RC-P and 

NUCLEO-L452RE-P I/O assignment

          

Table 16. NUCLEO-L412RB-P, NUCLEO-L433RC-P and NUCLEO-L452RE-P 

I/O assignment 

Pin 
No.

Pin name

Signal or label

Main feature / optional feature (SB)

1

V

BAT

V

BAT

PWR V

BAT

2

PC13

PC13

User Button / I/O

3

PC14-OSC32_IN

OSC32_IN / PC14

LSE CLK / I/O

4

PC15-OSC32_OUT

OSC32_OUT / PC15

LSE CLK / IO

5

PH0-OSC_IN

OSC_IN / PH0

I/O / HSE CLK

6

PH1-OSC_OUT

OSC_OUT / PH1

I/O / HSE CLK 

7

NRST

NRST

RESET

8

PC0

PC0

ARD_A5 - ADC1_IN1 / I2C3_SCL / IO

9

PC1

PC1

ARD_A4 - ADC1_IN2 / I2C3_SDA / IO

10

PC2

PC2

ARD_A3 - ADC1_IN3 / IO

11

PC3

PC3

ARD_A2 - ADC1_IN4 / IO

12

VSSA

GND

PWR GND

13

V

DDA

/V

REF+

AVDD

PWR AVDD

14

PA0

PA0

ARD_A0 - ADC1_IN5 / user button

15

PA1

PA1

ARD_A1 - ADC1_IN6

16

PA2

LPUART1_TX

STLINK_TX / ARD_D1_TX

17

PA3

LPUART1_RX

STLINK_RX / ARD_D0_RX

18

V

SS

GND

PWR GND

19

V

DD

VDD_MCU

PWR V

DD_MCU

 1.8 V / 3.3 V

20

PA4

PA4

SMPS_EN / IO

21

PA5

PA5

SMPS_V1 / IO

22

PA6

PA6

SMPS_PG / IO

23

PA7

PA7

SMPS_SW / IO

24

PC4

PC4

I/O

25

PB0

PB0

I/O

26

PB1

PB1

I/O

27

PB2

PB2

PB2

28

PB10

PB10

ARD_D6 / TIM2_CH3

29

PB11

PB11

I/O

30

V

DD1V2

V

DD12

PWR ExtSMPS 1V1

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Summary of Contents for NUCLEO-L412RB-P

Page 1: ...tion and features Arduino Uno V3 connectivity and ST morpho headers provide an easy means of expanding the functionality of the Nucleo open development platform with a wide choice of specialized shiel...

Page 2: ...ult board configuration 13 9 3 Cuttable PCB 14 9 4 Embedded ST LINK V2 1 14 9 4 1 Drivers 15 9 4 2 ST LINK V2 1 firmware upgrade 15 9 4 3 Using the ST LINK V2 1 to program debug the STM32 16 9 4 4 Usi...

Page 3: ...ho connectors CN5 and CN6 37 10 4 External power connector 38 Appendix A NUCLEO L412RB P NUCLEO L433RC P and NUCLEO L452RE P I O assignment 40 Appendix B Electrical schematics 43 Appendix C Federal Co...

Page 4: ...8 SB9 configurations 22 Table 9 LPUART1 connection 26 Table 10 USART1 connection 26 Table 11 Jumper settings 28 Table 12 Solder bridge configurations and settings 29 Table 13 USB Micro B pinout 33 Tab...

Page 5: ...STL power source 19 Figure 11 JP5 3 4 5V_VIN power source 20 Figure 12 JP5 5 6 E5V power source 21 Figure 13 JP6 7 8 5V_USB_CHG power source 22 Figure 14 USB Micro B connector CN1 front view 33 Figure...

Page 6: ...be at ST charge In no event ST will be liable for any customer usage of these engineering sample tools as reference design or in production E or ES marking examples of location On the targeted STM32...

Page 7: ...433RCT6P NUCLEO L452RE P STM32L452RET6P Table 2 Codification explanation NUCLEO LxxxRy P Description Example NUCLEO L452RE P Lxxx STM32 Product line STM32L452 R STM32 package pin count 64 pins y STM32...

Page 8: ...n 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 th...

Page 9: ...Nucleo USB driver available on the www st com stm32nucleo webpage prior connecting the board 3 To power the board connect the Nucleo 64 P board to a PC with a USB cable type A to micro B through the U...

Page 10: ...he STM32 Nucleo 64 P board The mechanical dimensions of the board are showed in Figure 6 Figure 3 Hardware block diagram 06Y 9 67 1 B9 3DUW 670 PLFURFRQWUROOHU 26 B 6 9 B0 8 9 9 U VWDO 9 3 8 57 3 2V 3...

Page 11: ..._3V3 U3 5V PWR LED LD3 ST morpho CN6 MCU 1V8 3V3 JP7 MCU SMPS 1V8 U13 U14 RST Button B2 ST morpho CN5 VIN to 5V U8 3V3 U7 SMPS_1V2 SW U10 VDD1V2_SMPS_IN JP8 32KHz X3 ST LINK RST JP1 User_LED LD4 Exter...

Page 12: ...wnloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arro...

Page 13: ...hing to 1 8 V the user should check that the extension module and the external shields connected to the Nucleo 64 P board are 1 8 V compatible The default jumper configuration and VDD 1 8 V setting is...

Page 14: ...d below New features supported on ST LINK V2 1 are USB software re enumeration Virtual COM port interface on USB Mass storage interface on USB USB power management request for more than 100mA power on...

Page 15: ...composite device 9 4 2 ST LINK V2 1 firmware upgrade The ST LINK V2 1 embeds a firmware upgrade mechanism for in situ upgrade through the USB port As the firmware may evolve during the lifetime of the...

Page 16: ...32 on an external application Simply remove the two jumpers from CN2 as shown in Figure 9 and connect the application to the SWD debug connector according to Table 6 Note JP4 NRST target STM32 RESET m...

Page 17: ..._NRST PB0 RESET of target STM32 6 6 T_SWO PA10 SWD out optional SWD connector CN3 ST LINK jumper OFF CN2 1 2 and 3 4 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downl...

Page 18: ...n signal from STM32F103CBT6 This pin is connected to a power switch ST890 which Table 7 Power supply capabilities Input power name Connector pins Voltage range Max current Limitation VBUS 5V_STLINK CN...

Page 19: ...ion fails Therefore the power switch ST890 stays OFF and the MCU part including the extension board is not powered As a consequence the green LED LD3 stays turned OFF In this case it is mandatory to u...

Page 20: ...nd 6 to select E5V power source on silkscreen of JP5 E5V configuration Jumper JP5 5 6 should be connected as showed in Figure 12 VIN 7 12V CN8 pin 8 CN5 pin 24 U8 LDO VIN 7 12V VOUT 5V PWR connector J...

Page 21: ...could be damaged 5V_USB_CHG configuration jumper JP5 7 8 should be connected as showed in Figure 13 E5V CN5 pin 6 PWR connector JP5 5 6 ON Downloaded from Arrow com Downloaded from Arrow com Downloade...

Page 22: ...t SB9 OFF not soldered USB PWR through CN1 500 mA max limited by ST890 ON soldered 100 mA max OFF not soldered VIN or E5V PWR Whatever current is no limitation ON soldered SB9 must be removed when the...

Page 23: ...U11 allows to supply dynamically the VDD_1V2 pins in Run mode at 1 1 V with a maximum current of 30 mA SMPS U13 allows to supply the VDD_MCU pin at 1 8 V with a maximum current of 50 mA hysteresis ope...

Page 24: ...es not succeed if the PC cannot provide such current consequently the board is not power supplied LED LD3 remains OFF 9 7 OSC clock sources Three clock sources are listed below LSE which is the 32 768...

Page 25: ...ollowing characteristics 8 MHz 8 pF 20 ppm It is recommended to use NX3225GD manufactured by NDK The following configuration is needed SB64 SB68 SB70 OFF SB67 and SB69 ON C47 and C48 soldered with 8 2...

Page 26: ...are located on the top side of the board Table 9 LPUART1 connection Solder bridge Feature SB66 SB75 ON SB32 SB34 SB60 SB73 OFF LPUART1 PA2 PA3 connected to ST LINK virtual COM port SB60 SB73 ON SB33 S...

Page 27: ...tional of the STM32 When the button is depressed the logic state is 1 otherwise the logic state is 0 B2 RESET the black button is connected to NRST and is used to RESET the STM32 When the button is de...

Page 28: ...e 3 3 V JP6 IDD measurement ON 1 2 VDD 3 3 V OFF To connect external source ULPBench probe as an example JP7 VDD_MCU 3 3 V ON 1 2 VDD_MCU voltage selection 3 3 V ON 2 3 VDD_MCU voltage selection 1 8 V...

Page 29: ...OFF IOREF NOT connected to 3 3 V power supply User LED SB17 ON User LED driven by PB13 ARD_D13 OFF User LED not driven Peripheral 3 3 V SB20 ON Peripheral power supply connected to 3 3 V OFF Peripher...

Page 30: ...T1_TX PA9 OFF STLINK_TX NOT connected to UART1_TX PA9 SB35 ON ARD_D1_TX connected to UART1_TX PA10 OFF ARD_D1_TX NOT connected to UART1_TX PA10 PA2 LPUART1_TX SB60 ON ARD_D1_TX connected to LPUART1_TX...

Page 31: ...powered by VDD OFF VDDA pin 13 NOT powered by VDD SB78 ON VDDA pin 13 powered by VDD_MCU OFF VDDA pin 13 NOT powered by VDD_MCU U13 mode SYN PWM SB79 SB80 SB79 ON U13 is in PWM mode SB80 ON U13 is in...

Page 32: ...nabled pin driven by the I O SMPS_EN PA4 OFF SMPS U11 U12 NOT enabled by I O Enable pin level fixed by solder bridge or driven by CN11 pin 5 SMPS U11 U12 PWR GOOD SB93 ON SMPS U11 U12 Power Good conne...

Page 33: ...f pair M 3 DP D STLINK_USB_D_P PA12 USB diff pair P 4 ID 5 GND GND Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Dow...

Page 34: ...loaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow...

Page 35: ...4 26 28 30 32 34 36 38 CN5 CN6 CN7 CN9 CN8 CN10 Table 14 Arduino connector pinout Connector Pin number Pin name Signal name STM32 pin Function CN8 1 NC Reserved for test 2 IOREF I O reference 3 NRST N...

Page 36: ...nector Pin number Pin name Signal name STM32 pin Function Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded f...

Page 37: ...nloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow...

Page 38: ...0 9 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 1 2 3 4 5 6 1 2 3 4 5 6 7 8 1 3 5 7 9 11 13 15 17 19 21 23...

Page 39: ...rrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloade...

Page 40: ...PA7 SMPS_SW IO 24 PC4 PC4 I O 25 PB0 PB0 I O 26 PB1 PB1 I O 27 PB2 PB2 PB2 28 PB10 PB10 ARD_D6 TIM2_CH3 29 PB11 PB11 I O 30 VDD1V2 VDD12 PWR ExtSMPS 1V1 Downloaded from Arrow com Downloaded from Arro...

Page 41: ...C P and NUCLEO L452RE P I O assignment continued Pin No Pin name Signal or label Main feature optional feature SB Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Download...

Page 42: ...d from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com D...

Page 43: ...ownloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arr...

Page 44: ...UCLEO64_BLISTER HW103 LOGO NUCLEO HW104 DNF Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com...

Page 45: ...6 Pin55 PB3 SB19 Pin56 PB4 SB23 Pin57 PB5 SB27 Pin58 PB6 SB36 Pin60 PH3 BOOT0 SB48 Pin61 PB8 SB55 Pin28 PB2 SB40 Pin29 PB10 SB49 Pin59 PB7 SB41 TCK SWCLK TMS_SWDIO SB64 DNF PC13 2 PC14 OSC32_IN 3 PC15...

Page 46: ...from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Do...

Page 47: ...N LD4 IOREF SELECTION IOREF 3V3 IOREF 3V3_PER IOREF VDD_MCU SB21 SB15 SB14 Closed Open Open Open Open Open Open Closed Closed Mainly for 1V8 compatibility 1K R35 5V_VIN ARD_D0_RX ARD_D1_TX Default 47K...

Page 48: ...w com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded f...

Page 49: ...N VDD VDD_MCU JP7 3 2 SMPS SELECTION VDD_MCU 1V8 EXTERNAL SMPS SELECTION VDD_MCU FROM CN11 Default JP7 1 2 JP8 selection DEFAULT CLOSED Closed to select 1V2 power Default Open for legacy configuration...

Page 50: ...STLINK T_NRST T_SWO 100nF C1 100nF C2 100nF C11 100nF C14 100nF C3 1uF C4 9013 SOT23 3 1 2 Q1 5V_STLINK 10K R25 1K R21 5V_STLINK_SW 1uF C13 100nF C15 RED LD2 5V_USB_CHG PWR_ENn PWR_ENn SB9 DNF All the...

Page 51: ...es or modifications to this equipment not expressly approved by STMicroelectronics may cause harmful interference and void the user s authority to operate this equipment C 2 IC Compliance Statement Th...

Page 52: ...Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloa...

Page 53: ...m Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from...

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