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UM2179User manual

STM32 Nucleo-144 boards

Introduction

The STM32 Nucleo-144 boards (NUCLEO-L496ZG, NUCLEO-L496ZG-P and NUCLEO-L4R5ZI) provide an affordable and flexible way for users to try out new concepts and build prototypes by choosing from the various combinations of performance and power consumption features, provided by the STM32 microcontroller. The ST Zio connector, which extends the Arduino™ Uno V3 connectivity, and the ST morpho headers provide an easy means of expanding the functionality of the Nucleo open development platform with a wide choice of specialized shields. The STM32 Nucleo-144 board does not require any separate probe as it integrates the ST-LINK/V2-1 debugger/programmer. The STM32 Nucleo-144 board comes with the STM32 comprehensive free software libraries and examples available with the STM32Cube package.

1. Pictures are not contractual.

Figure 1. Nucleo-144 board (top view) Figure 2. Nucleo-144 board (bottom view)

www.st.com

http://www.st.com

Contents UM2179

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Contents

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

2 Product marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2 Development toolchains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.3 Demonstration software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5 Quick start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.1 Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

6 Hardware layout and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

6.1 STM32 Nucleo-144 board layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

6.2 STM32 Nucleo-144 board mechanical drawing . . . . . . . . . . . . . . . . . . . . 14

6.3 Cuttable PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.4 Embedded ST-LINK/V2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.4.1 Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

6.4.2 ST-LINK/V2-1 firmware upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

6.4.3 Using the ST-LINK/V2-1 to program and debug the on-board STM32 . 17

6.4.4 Using ST-LINK/V2-1 to program and debug an external STM32 application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.5 Power supply and power selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

6.5.1 Power supply input from ST-LINK/V2-1 USB connector . . . . . . . . . . . . 21

6.5.2 External power supply inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

6.5.3 External power supply output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

6.5.4 SMPS power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

6.6 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

6.7 Push-buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

6.8 JP5 (IDD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

6.9 OSC clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

6.9.1 OSC clock supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

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6.10 OSC 32 KHz clock supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

6.11 LPUART1 communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

6.12 USB FS OTG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

6.13 Solder bridges and jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

6.14 Expansion connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

6.15 ST Zio connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

6.16 ST morpho connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

6.17 Bootloader limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.17.1 Bootloader operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.17.2 Bootloader identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

6.17.3 Bootloader limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

6.17.4 Affected parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

6.17.5 Workarounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Appendix A Electrical schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Appendix B Board revision history and limitations . . . . . . . . . . . . . . . . . . . . . . 47

Appendix C Federal Communications Commission (FCC) and Industry Canada (IC) Compliance . . . . . . . . . . . . . . . . . . . . . . . 48

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

List of tables UM2179

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List of tables

Table 1. Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Table 2. Codification explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Table 3. ON/OFF conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Table 4. CN4 states of the jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Table 5. Debug connector CN5 (SWD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Table 6. External power sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Table 7. Power related jumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Table 8. LPUART1 pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Table 9. USB pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Table 10. Configuration of the solder bridges and jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Table 11. NUCLEO-L496ZG, NUCLEO-L496ZG-P and NUCLEO-L4R5ZI pin assignments . . . . . . . 34Table 12. ST morpho connector pin assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Table 13. Board revision history and limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47Table 14. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

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List of figures

Figure 1. Nucleo-144 board (top view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Figure 2. Nucleo-144 board (bottom view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Figure 3. Hardware block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Figure 4. STM32 Nucleo-144 board top layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Figure 5. STM32 Nucleo-144 board bottom layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Figure 6. STM32 Nucleo-144 board mechanical drawing in millimeter . . . . . . . . . . . . . . . . . . . . . . . 14Figure 7. Nucleo-144 board mechanical drawing in mils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Figure 8. USB composite device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Figure 9. Connecting the STM32 Nucleo-144 board to program the on-board STM32 . . . . . . . . . . . 18Figure 10. Using ST-LINK/V2-1 to program an external STM32 application . . . . . . . . . . . . . . . . . . . . 20Figure 11. NUCLEO-L496ZG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Figure 12. NUCLEO-L496ZG-P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Figure 13. NUCLEO-L4R5ZI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Figure 14. Top and power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Figure 15. MCU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42Figure 16. ST-LINK/V2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43Figure 17. USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44Figure 18. Extension connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45Figure 19. SMPS power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Features UM2179

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1 Features

The STM32 Nucleo-144 boards offer the following features:

• STM32 Arm®-based microcontroller in LQFP144 package

• SMPS: significantly reduces power consumption in Run mode, by generating Vcore logic supply from an external DC/DC converter. This function is only available on ‘-P’ suffixed boards

• LSE crystal: 32.768 kHz crystal oscillator

• USB OTG FS

• 3 user LEDs

• 2 user and reset push-buttons

• Board connectors:

– USB with Micro-AB

– SWD

• Board expansion connectors:

– ST Zio connector including Arduino™ Uno V3

– ST morpho

• Flexible power-supply options:

– ST-LINK USB VBUS or external sources

• On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability: mass storage, virtual COM port and debug port

• Comprehensive free software libraries and examples available with the STM32Cube package

• Support of a wide choice of Integrated Development Environments (IDEs) including IAR™, Keil®, GCC-based IDEs

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2 Product marking

Evaluation tools marked as “ES” or “E” are not yet qualified and therefore not ready to be used as reference design or in production. Any consequences deriving from such usage will not 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 that is soldered on the board (for illustration of STM32 marking, refer to the STM32 datasheet “Package information” paragraph at the www.st.com website).

• Next to the evaluation tool ordering part number that is stuck or silk-screen printed on the board.

This board features a specific STM32 device version which allows the operation of any stack or library. This STM32 device shows a "U" marking option at the end of the standard part number and is not available for sales.

2.1 System requirements

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

• USB Type-A to Micro-B cable

2.2 Development toolchains

• Keil® MDK-ARM(a)

• IAR™ EWARM(a)

• GCC-based IDEs including free SW4STM32 from AC6

2.3 Demonstration software

The demonstration software, included in the STM32Cube package corresponding to the on-board MCU, 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/stm32nucleo webpage.

a. On Windows® only.

Ordering information UM2179

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3 Ordering information

To order the Nucleo-144 board corresponding to the targeted STM32, use the order code given below in Table 1.

The meaning of the NUCLEO-TXXXRY codification is explained in Table 2 with an example.

This order code is mentioned on a sticker placed on the top side of the board.

Table 1. Ordering information

Order code Target STM32

NUCLEO-L496ZG STM32L496ZGT6

NUCLEO-L496ZG-P STM32L496ZGT6P

NUCLEO-L4R5ZI STM32L4R5ZIT6

Table 2. Codification explanation

NUCLEO-TXXXRY(-P) Description Example: NUCLEO-L496ZG-P

TXXX STM32 product line STM32L496

R STM32 package pin count 144 pins

Y

STM32 Flash memory size:

– G for 1 Mbyte

– I for 2 Mbytes

1 Mbyte

P STM32 has SMPS function SMPS

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4 Conventions

Table 3 provides the conventions used for the ON and OFF settings in the present document.

In this document the references for all information that is common to all sale types, are “STM32 Nucleo-144 board” and “STM32 Nucleo-144 boards”.

5 Quick start

This section describes how to start a development quickly using the STM32 Nucleo-144 board.

Before installing and using the product, accept the Evaluation Product License Agreement from the www.st.com/epla webpage. For more information on the STM32 Nucleo-144 board and for demonstration software, visit the www.st.com/stm32nucleo webpage.

5.1 Getting started

Follow the sequence below to configure the Nucleo-144 board and launch the demonstration application (for components location refer to Figure 4: STM32 Nucleo-144 board top layout).

1. Check the jumper position on the board: JP1 (PWR-EXT) OFF (see Section 6.5.1: Power supply input from ST-LINK/V2-1 USB connector for more details) JP6 (Power source) on STLK side (for more details see Table 7: Power related jumper) JP5 (IDD) ON (for more details see Section 6.8: JP5 (IDD)) CN4 ON selected (for more details see Table 4: CN4 states of the jumpers).

2. For the correct identification of the device interfaces from the host PC and before connecting the board, install the Nucleo USB driver available on the www.st.com/stm32nucleo website.

3. To power the board connect the STM32 Nucleo-144 board to a PC with a USB ‘Type-A to Micro-B’ cable through the USB connector CN1 on the ST-LINK. As a result, the green LED LD6 (PWR) and LD4 (COM) light up and the red LED LD3 blinks.

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 or 0 ohm resistor

Solder bridge SBx OFF SBx connections left open

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4. Press button B1 (left button).

5. Observe that the blinking frequency of the three LEDs LD1 to LD3 changes, by clicking on the button B1.

6. The software demonstration and the several software examples, that allow the user to use the Nucleo features, are available at the www.st.com/stm32nucleo webpage.

7. Develop an application, using the available examples.

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6 Hardware layout and configuration

The STM32 Nucleo-144 board is designed around the STM32 microcontrollers in a 144-pin LQFP package.

Figure 3 shows the connections between the STM32 microcontroller and its peripherals (ST-LINK/V2-1, push-buttons, LEDs, USB, ST Zio connectors and ST morpho headers).

Figure 4 and Figure 5 show the location of these features on the STM32 Nucleo-144 board. Figure 6 and Figure 7 show the mechanical dimensions of the STM32 Nucleo-144 board.

Figure 3. Hardware block diagram

1. Ext SMPS function is only available on '-P' suffixed boards.

Embedded ST-LINK/V2-1

STM32 Microcontroller

RESET

SWD

ST

orph

o ex

tens

ion

Head

er

ST

orph

o ex

tens

ion

Head

er

Micro-BUSB

onnector

IO

USBB2RST

B1USER

IOZi

o on

nect

orLEDLD1

ST-LINK Part

MCU Part

LEDLD2/3

Micro-AB or Micro-B USB

onnector

Zio

onne

ctor

Ext SMPS

IO

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6.1 STM32 Nucleo-144 board layout

Figure 4. STM32 Nucleo-144 board top layout

CN1 ST-LINK Micro USB connector

CN4 ST-LINK/ NUCLEO selector

LD1-LD3User LEDs

B1User button

CN11 ST orphopin header

CN13SMPS signal connector

JP1 PWR-EXT

CN5 SWD connector

JP5 IDD measurement

U11 STM32 Microcontroller

LD7USB over

CN7, CN10Zio connectors

SB63.3V regulator output

JP6Power Source selection

LD6Power (Green LED)

LD5(Red LED) ST-Power Over

LD4(Red/Green LED) COM

LD8 USB VBUS

CN14User USB connector

B2Reset button

CN8, CN9Zio connectors CN12

ST orphopin header

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Figure 5. STM32 Nucleo-144 board bottom layout

SB101, SB103, SB105, SB107 (RESERVED)

SB100, SB102, SB104, SB106 (DEFAULT)


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6.2 STM32 Nucleo-144 board mechanical drawing

Figure 6. STM32 Nucleo-144 board mechanical drawing in millimeter

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Figure 7. Nucleo-144 board mechanical drawing in mils


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6.3 Cuttable PCB

The STM32 Nucleo-144 board is divided into two parts: ST-LINK and target STM32. The ST-LINK part of the PCB can be cut out to reduce the board size. In this case the remaining target STM32 part can only be powered by VIN, E5V and 3.3 V on the ST morpho connector CN11, or by VIN and 3.3 V on the ST Zio connector CN8. It is still possible to use the ST-LINK part to program the STM32, using wires between the CN5 and SWD available signals on the ST morpho connector (SWCLK CN11 pin 15, SWDIO CN11 pin 13 and NRST CN11 pin 14, same I/O level as VDD_MCU).

6.4 Embedded ST-LINK/V2-1

The ST-LINK/V2-1 programming and debugging tool is integrated in the STM32 Nucleo-144 board.

The embedded ST-LINK/V2-1 supports only SWD for STM32 devices. For information about debugging and programming features refer to ST-LINK/V2 in-circuit debugger/programmer for STM8 and STM32, User manual (UM1075), which describes in details all the ST- LINK/V2 features.

The changes versus ST-LINK/V2 version are listed below. New features supported on ST-LINK/V2-1:

• USB software re-enumeration

• Virtual COM port interface on USB

• Mass storage interface on USB

• USB power management request for more than 100 mA power on USB

Features not supported on ST-LINK/V2-1:

• SWIM interface

• Minimum supported application voltage limited to 3 V

There are two different ways to use the embedded ST-LINK/V2-1, depending on the jumper state (see Table 4):

• Program/debug the STM32 on board

• Program/debug the STM32 in an external application board, using a cable connected to SWD connector CN5

Table 4. CN4 states of the jumpers

Jumper state Description

Both CN4 jumpers ONST-LINK/V2-1 functions enabled for on-board programming (default). See Section 6.4.3.

Both CN4 jumpers OFFST-LINK/V2-1 functions enabled for external CN5 connector (SWD supported). See Section 6.4.4.

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6.4.1 Drivers

Before connecting the Nucleo-144 board to a Windows® (XP, 7, 8 and 10) PC via USB, install the driver for ST-LINK/V2-1 that can be downloaded from the www.st.com website.

If the STM32 Nucleo-144 board is connected to the PC before installing the driver, the PC device manager may report some Nucleo interfaces as “Unknown”.

To recover from this situation, after installing the dedicated driver, the association of “Unknown” USB devices found on the STM32 Nucleo-144 board to this dedicated driver, must be updated in the device manager manually.

Note: It is recommended to proceed by using USB Composite Device, as shown in Figure 8.

Figure 8. USB composite device

6.4.2 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 ST-LINK/V2-1 product (for example new functionalities, bug fixes, support for new microcontroller families), it is recommended to keep the ST-LINK/V2-1 firmware up to date before starting to use the STM32 Nucleo-144 board. The latest version of this firmware is available from the www.st.com website.

6.4.3 Using the ST-LINK/V2-1 to program and debug the on-board STM32

To program the on-board STM32, place the two jumpers marked in red on the connector CN4, as shown in Figure 9. The CN5 connector must not be used, since it could disturb the communication with the STM32 microcontroller of the Nucleo-144 board.


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Figure 9. Connecting the STM32 Nucleo-144 board to program the on-board STM32

6.4.4 Using ST-LINK/V2-1 to program and debug an external STM32 application

It is very easy to use the ST-LINK/V2-1 to program the STM32 on an external application.

Simply remove the two jumpers from CN4, as shown in Figure 10 and connect the application to the SWD debug connector according to Table 5.

Note: JP4 NRST (target STM32 RESET) must be open when CN3 pin 5 is used in an external application.

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Table 5. Debug connector CN5 (SWD)

Pin CN5 Description

1 VDD_TARGET VDD from application

2 SWCLK SWD clock

3 GND ground

4 SWDIO SWD data input/output

5 NRST RESET of target STM32

6 SWO Reserved


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Figure 10. Using ST-LINK/V2-1 to program an external STM32 application

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6.5 Power supply and power selection

The power supply is provided either by the host PC through the USB cable or by an external source: VIN (7 V-12 V), E5V (5 V) or +3.3 V power supply pins on CN8 or CN11. If VIN, E5V or +3.3 V is used to power a Nucleo-144 board, this power source must comply with the standard EN-60950-1: 2006+A11/2009 and must be Safety Extra Low Voltage (SELV) with limited power capability.

If the power supply is +3.3 V, the ST-LINK is not powered and cannot be used.

6.5.1 Power supply input from ST-LINK/V2-1 USB connector

The STM32 Nucleo-144 board and shield can be powered from the ST-LINK USB connector CN1 (U5V), by placing a jumper between the pins 3 and 4 of JP6, as shown in Table 7: Power related jumper. Note that only the ST-LINK part is power supplied before the USB enumeration, as the host PC only provides 100 mA to the board at that time. During the USB enumeration, the STM32 Nucleo-144 board requires 300 mA of current to the host PC. If the host is able to provide the required power, the targeted STM32 microcontroller is powered and the green LED LD6 is turned ON, thus the STM32 Nucleo-144 board and its shield can consume a maximum current of 300 mA, not more. If the host is not able to provide the required current, the targeted STM32 microcontroller and the extension boards are not power supplied. As a consequence the green LED LD6 stays turned OFF. In such case it is mandatory to use an external power supply as explained in the next section.

After the USB enumeration succeeds, the ST-LINK U5V power is enabled, by asserting the PWR_EN pin. This pin is connected to a power switch (ST890), which powers the board.

This power switch also features a current limitation to protect the PC if a short-circuit happens on the board. If an overcurrent (more than 500 mA) happens on the board, the red LED LD5 lits up.

Warning: If the maximum current consumption of the STM32 Nucleo-144 board and its shield boards exceed 300 mA, it is mandatory to power the STM32 Nucleo-144 board, using an external power supply connected to E5V, VIN or +3.3 V.

Note: If the board is powered by a USB charger, there is no USB enumeration, so the green LED LD6 stays in OFF state permanently and the target STM32 is not powered. In this specific case a jumper must be placed between pins 5 and 6 of JP6, to allow the board to be powered anyway.

6.5.2 External power supply inputs

Depending on the used voltage, an external power source supplies in three different ways the STM32 Nucleo-144 board and its shield boards. The three power sources are listed in Table 6.

When the STM32 Nucleo-144 board is power supplied by VIN or E5V, the jumper configuration must be as showed below:

• Jumper JP6 on pin 1 and pin 2 for E5V or jumper JP3 on pin 7 and pin 8 for VIN

• Jumper JP1 OFF


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The 5 V power source is selected by the jumper JP6 as shown in Table 7.

Table 6. External power sources

Input power name

Connector pins

Voltage range

Max current Limitation

VINCN8 pin 15 CN11 pin 24

7 V to 12 V 800 mA

From 7 V to 12 V only and input current capability is linked to input voltage:

– 800 mA input current when VIN=7 V

– 450 mA input current when 7V<VIN<9V

– 250 mA input current when 9 V<VIN<12 V

E5V CN11 pin 64.75 V to 5.25 V

500 mA -

+3.3 VCN8 pin 7

CN11 pin 163 V to 3.6 V -

Two possibilities:

– ST-LINK PCB is cut

– SB3 and SB111 OFF (ST-LINK not powered)

Table 7. Power related jumper

Jumper Description

JP6

STLK (ST-LINK VBUS) is used as power source when JP6 is set as shown on the right (Default setting)

E5V is used as power source when JP6 is set as shown on the right:

CHGR (USB Charger on CN1) is used as power source when JP6 is set as shown on the right:

VIN is used as power source when JP6 is set as shown on the right:

E5V STLK CHGR VIN

E5V STLK CHGR VIN

E5V STLK CHGR VIN

E5V STLK CHGR VIN

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49

Using VIN or E5V as an external power supply

When powered by VIN or E5V, it is still possible to use the ST-LINK for only programming or debugging, but it is mandatory to power the board first using VIN or E5V, then to connect the USB cable to the PC. In this way the enumeration succeeds, thanks to the external power source.

The following power-sequence procedure must be respected:

1. Connect jumper JP6 between pin 1 and pin 2 for E5V or between pin 7 and pin 8 for VIN

2. Check that JP1 is removed

3. Connect the external power source to VIN or E5V

4. Power on the external power supply 7 V< VIN < 12 V to VIN, or 5 V for E5V

5. Check that the green LED LD6 is turned ON

6. Connect the PC to the USB connector CN1

If this order is not respected, the board may be powered by USB (U5V) first, then by VIN or E5V as the following risks may be encountered:

1. If the board needs more than 300 mA, the PC may be damaged or the current supplied can be limited by the PC. As a consequence the board is not powered correctly.

2. 300 mA is requested during the enumeration phase (since JP1 must be OFF) so there is the risk that the request is rejected and the enumeration does not succeed if the PC cannot provide such current. Consequently the board is not power supplied (LED LD6 remains OFF).

External power supply input: + 3.3 V

If 3.3 V is provided by a shield board, it is worth using the +3.3 V (CN8 pin 7 or CN11 pin 16) directly as power input. In this case the ST-LINK is not powered thus the programming and debugging features are not available.

When the board is powered with +3.3 V, two different configurations are possible:

• ST-LINK is removed (PCB cut)

• SB6 (3.3 V regulator) and JP3 (NRST) are OFF

6.5.3 External power supply output

When powered by USB, VIN or E5V, the +5 V (CN8 pin 9 or CN11 pin 18) can be used as output power supply for an ST Zio shield or an extension board. In this case the maximum current of the power source specified in Table 6: External power sources must be respected.

The +3.3 V (CN8 pin 7 or CN11 pin 16) can also be used as power supply output. The current is limited by the maximum current capability of the regulator U6 (500 mA max).

6.5.4 SMPS power supply

Power figures in Run Mode are significantly improved, by generating Vcore logic supply from the external DC/DC converter (this function is only available on '-P' suffixed boards).

Board is populated with two different SMPS mounted on U15 and U16:

• SMPS U15 allows to dynamically supply the VDD_1V2 pins in Run mode at 1.1 V with a maximum current of 30 mA.

• SMPS U16 allows to supply the VDD_MCU pins at 1.8 V with a maximum current of 50 mA. When SB125 is opened and SB120 closed, the SMPS can deliver higher


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current but with higher consumption. This SMPS is disabled by default (See Table 10: Configuration of the solder bridges and jumpers).

VDD_MCU solder bridge configuration:

• 3.3 V (default): SB122 closed, SB121 and SB127 open

• 1.8 V: SB122 open, and SB121 and SB127 closed (best ULPBench score)

Note: The ST-LINK is still available in this configuration thanks to the level shifter U14.

6.6 LEDs

User LD1: a green user LED is connected to the STM32 I/O PC7 (SB124 ON and SB123 OFF) or PA5 (SB123 ON and SB124 OFF) corresponding to the ST Zio D13. It only works when VCC_MCU is 3.3 V.

User LD2: a blue user LED is connected to PB7.

User LD3: a red user LED is connected to PB14.

These user LEDs are on when the I/O is HIGH value, and are off when the I/O is LOW.

LD4 COM: the tricolor LED LD4 (green, orange and red) provides information about ST-LINK communication status. LD4 default color is red. LD4 turns to green to indicate that the communication is in progress between the PC and the ST-LINK/V2-1, with the following setup:

• Slow blinking red/off: at power-on before USB initialization

• Fast blinking red/off: after the first correct communication between PC and ST-LINK/V2-1 (enumeration)

• Red LED on: when the initialization between the PC and ST-LINK/V2-1 is complete

• Green LED on: after a successful target communication initialization

• Blinking red/green: during communication with target

• Green on: communication finished and successful

• Orange on: communication failure

LD5 USB power fault: LD5 indicates that the board power consumption on USB exceeds 500 mA, consequently the user must power the board using an external power supply.

LD6 PWR: the green LED indicates that the STM32 part is powered and +5 V power is available on CN8 pin 9 and CN11 pin 18.

LD7 and LD8 USB FS: refer to Section 6.12: USB FS OTG .

Note:1 LD1 is connected to U8 and it is driven by PC7 or PA5 which may be changed to 1.8 V I/O, so LD1 cannot be lit when VDD is set to 1.8 V.

Note:2 LD2, LD3 cannot work with VDD_MCU= 1.8 V

6.7 Push-buttons

B1 USER: the user button is connected to the I/O PC13 by default (Tamper support, SB197 ON and SB178 OFF) or PA0 (Wakeup support, SB178 ON and SB197 OFF) of the STM32.

B2 RESET: this push-button is connected to NRST and is used to RESET the STM32.

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49

6.8 JP5 (IDD)

The jumper JP5, labeled IDD, is used to measure the STM32 microcontroller consumption by removing the jumper and by connecting an ammeter:

• JP5 ON: STM32 is powered (default)

• JP5 OFF: an ammeter must be connected to measure the STM32 current. If there is no ammeter, the STM32 is not powered

6.9 OSC clock

6.9.1 OSC clock supply

There are four ways to configure the pins corresponding to the external high-speed clock (HSE):

• HSE not used (Default): PF0/PH1 and PF1/PH1 are used as GPIOs instead of as clock. The configuration must be:

– SB147 and SB156 ON

– SB109 and SB148 (MCO) OFF

– SB12 and SB13 removed

• MCO from ST-LINK: MCO output of ST-LINK is used as input clock. This frequency cannot be changed, it is fixed at 8 MHz and connected to the

• PF0/PH0-OSC_IN of STM32 microcontroller. The configuration must be:

– SB147 OFF


– SB12 and SB13 OFF

• HSE on-board oscillator from X3 crystal (not provided): for typical frequencies and its capacitors and resistors, refer to the STM32 microcontroller datasheet and for the oscillator design guide refer to the Oscillator design guide for STM8S, STM8A and STM32 microcontrollers Application note (AN2867). The X3 crystal has the following characteristics: 8 MHz, 8 pF, 20 ppm. It is recommended to use the NX3225GD-8.000M- EXS00A-CG04874 crystal manufactured by NIHON DEMPA KOGYO CO., LTD. The configuration must be:


– SB12 and SB13 soldered

– C37 and C38 soldered with 4.3 pF capacitors


• Oscillator from external PF0/PH0: from an external oscillator through the pin 29 of the CN11 connector. The configuration must be:

– SB147 ON


– SB12 and SB13 removed


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6.10 OSC 32 KHz clock supply

There are three ways to configure the pins corresponding to low-speed clock (LSE):

• On-board oscillator (Default): X2 crystal. Refer to the Oscillator design guide for STM8S, STM8A and STM32 microcontrollers Application note (AN2867) for oscillator design guide for STM32 microcontrollers. It is recommended to use the NX3214SA- 32.768KHZ-EXS00A-MU00525 (32.768 KHz, 6 pF load capacitance, 200 ppm) crystal from Nihon Dempa Kogyo CO, LTD.

• Oscillator from external PC14: from external oscillator through the pin 25 of CN11 connector. The configuration must be:


– R39 and R40 removed

• LSE not used: PC14 and PC15 are used as GPIOs instead of low-speed clock. The configuration must be:


– R39 and R40 removed

6.11 LPUART1 communication

The LPUART1 interface available on PG7 and PG8 of the STM32 can be connected to the ST-LINK or to the ST morpho connector. Another option to do this connection is to set the related solder bridges. By default the LPUART1 communication between the target STM32 and the ST-LINK is enabled, to support the virtual COM port (SB130 and SB131 ON). Refer to Table 8.

6.12 USB FS OTG

The STM32 Nucleo-144 board supports the USB OTG as host or as device-full-speed communication through a USB Micro-AB connector (CN14) and USB power switch (U12) connected to VBUS.

Warning: The USB Micro-AB connector (CN14) cannot power a Nucleo-144 board. To avoid damaging the STM32, it is mandatory to power the board before connecting a USB cable on CN14. Otherwise there is a risk of current injection on STM32 I/Os.

Table 8. LPUART1 pin configuration

Pin name

FunctionVirtual COM port (default

configuration)ST morpho connection

PG7 LPUART1 TX SB131 ON and SB195 OFF SB131 OFF and SB95 ON

PG8 LPUART1 RX SB130 ON and SB193 OFF SB130 OFF and SB193 ON

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49

A green LED LD8 lits up in one of these cases:

• Power switch (U12) is ON and STM32 Nucleo-144 board works as a USB host

• VBUS is powered by another USB host when the STM32 Nucleo-144 board works as a USB device.

The red LED LD7 lits up if overcurrent occurs when +5 V is enabled on VBUS in USB host mode.

Note:1 It is recommended to power the Nucleo-144 board with an external power supply when using the USB OTG or the host function.

Note:2 JP4 must be closed when using the USB OTG FS.

Note:3 Limitation: when the cable is not connected, PA9 (VBUS) is not floating, because internal pull up of PA12 (D+) impacts PA9 through ESD protection part USBLC6-2SC6 (U13).

For pin configuration refer to Table 9.

6.13 Solder bridges and jumpers

SBxx are located on top layer and SB1xx-SB2xx on bottom layer of the STM32 Nucleo-144 board. The configuration of the solder bridges and jumpers is showed in Table 10.

Table 9. USB pin configuration

Pin name

FunctionConfiguration

when using USB connector

Configuration when using ST

morpho connectorRemark

PA8 USB SOF - - Test point TP1

PA9 USB VBUS SB135 ON SB135 OFF -

PA10 USB ID SB134 ON SB134 OFF -

PA11 USB DM SB142 ON SB142 OFF -

PA12 USB DP SB143 ON SB143 OFF -

PG6 USB GPIO OUTOTG:SB201 OFF,

SB200 ONOTG:SB200 OFF

OTG:USB power switch control

PG5 USB GPIO INJP4 ON, SB199 OFF SB198 ON

JP4 OFF USB overcurrent alarm

Table 10. Configuration of the solder bridges and jumpers

Bridge/jumper State(1) Description

SB5 (+3V3_PER)ON Peripheral power +3V3_PER is connected to +3.3 V.

OFF Peripheral power +3V3_PER is not connected.

SB6 (3.3 V)ON

Output of voltage regulator LD39050PU33R is connected to 3.3 V.

OFF Output of voltage regulator LD39050PU33R is not connected.


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SB195, SB193 (GPIO)

ONPG7 and PG8 on STM32 are connected to ST morpho connectors CN12. If these pins are used on ST morpho connectors, SB130 and SB131 should be OFF.

OFFPG7 and PG8 on STM32 are disconnected to ST morpho connectors CN12.

SB131, SB130 (ST-LINK-USART)

ONPA2 and PA3 on ST-LINK STM32F103CBT6 are connected to PG7 and PG8 to enable the virtual COM port. Thus PG7 and PG8 on ST morpho connectors cannot be used.

OFFPA2 and PA3 on ST-LINK STM32F103CBT6 are disconnected to PG7 and PG8 on STM32.

SB152 (VDDA)ON VDDA on STM32 MCU is connected to VDD.

OFF VDDA on STM32 MCU is disconnected to VDD.

SB100,102,104,106 (DEFAULT)

ON Reserved, do not modify.

SB101,103,105,107 (RESERVED)

OFF Reserved, do not modify.

SB141 (SWO)ON

SWO signal of the STM32 (PB3) is connected to ST-LINK SWO input.

OFF SWO signal of STM32 is not connected.

SB110, SB111,SB112 (IOREF)

OFF, OFF, ON

IOREF is connected to VDD_MCU.

ON, OFF, OFF

IOREF is connected to +3.3 V.

OFF, ON, OFF

IOREF is connected to +3V3_PER.

SB119 (VREF+)

OFFPin 6 of CN7 and Pin 7 of CN12 are disconnected to VREF+ on STM32.

ONPin 6 of CN7 and Pin 7 of CN12 are connected to VREF+ on STM32.

SB137 (SDMMC_D0), SB136 (SDMMC_D1)

ON These pins are connected to ST morpho connector CN12.

OFFThese pins are disconnected from ST morpho connector CN12 to avoid stub of SDMMC data signals on PCB.

SB124, SB123(LD1-LED)

ON, OFF Green user LED LD1 is connected to PC7.

OFF,ONGreen user LED LD1 is connected to D13 of Arduino signal (PA5).

OFF, OFF Green user LED LD1 is not connected.

ON,ON Forbidden.

SB172 (Legacy)

SB173 (SMPS) (LD2-LED)

ON Blue user LED LD2 is connected to PB7.

OFF Blue user LED LD2 is not connected.

Table 10. Configuration of the solder bridges and jumpers (continued)


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49

SB132 (LD3-LED)ON Red user LED LD3 is connected to PB14.

OFF Red user LED LD3 is not connected.

SB145,146

(X2 crystal)

OFFPC14, PC15 are not connected to ST morpho connector CN11. (X2 used to generate 32 KHz clock).

ONPC14, PC15 are connected to ST morpho connector CN11. (R37 and R38 should be removed).

SB147 (PH0), SB156

(PH1) (Main clock)

ON, ONPH0 and PH1 are connected to ST morpho connector CN11. (SB12, SB13 and SB148 must be removed).

OFF, ONPH0 is not connected to ST morpho

PH1 is connected to ST morpho connector CN11 (MCO is used as main clock for STM32 on PH0).

OFF, OFF

PH0, PH1 are not connected to ST morpho connector CN11 (X3, C37, C38, SB12 and SB13 provide a clock as shown in

Section Appendix A: Electrical schematics. In this case SB148 must be removed).

SB109, SB148 (MCO)

OFFMCO of ST-LINK (STM32F103CBT6) is not connected to PH0 of STM32.

ONMCO of ST-LINK (STM32F103CBT6) is connected to PH0 of STM32.

SB12, SB13 (external 8M crystal)

OFF PH0 and PH1 are not connected to external 8 MHz crystal X3.

ON PH0 and PH1 are connected to external 8 MHz crystal X3.

SB154 (VBAT)ON VBAT pin of STM32 is connected to VDD.

OFF VBAT pin of STM32 is not connected to VDD.

SB197, SB178(B1-USER)

ON, OFF B1 push-button is connected to PC13.

OFF, ONB1 push-button is connected to PA0 (Set SB179 OFF if ST Zio connector is used).

OFF, OFF

B1 push-button is not connected.

SB179 (PA0)ON PA0 is connected to ST Zio connector (Pin 29 of CN10).

OFF PA0 is not connected to ST Zio connector (Pin 29 of CN10).

SB151,SB153 OFF Default setting.

ON Forbidden.

SB158, SB167 (AVDD)ON, OFF AVDD on STM32 is connected to VDD.

OFF, ON AVDD on STM32 is connected to VDD_MCU.

SB142 (PA11), SB143 (PA12)

ON These pins are used as D+ and D- on USB connector CN14.

OFF These pins are used as GPIOs on ST morpho connectors.

SB149 (VREF+)ON VREF+ on STM32 is connected to AVDD.

OFF VREF+ on STM32 is disconnected to AVDD.




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All the other solder bridges present on the STM32 Nucleo-144 board are used to configure several I/Os and power supply pins for compatibility of features and pinout with the target STM32 supported.

STM32 Nucleo-144 boards are delivered with the solder bridges configured according to the target STM32 supported.

SB144 (QSPI_IO1)

ON These pins are connected to ST morpho connector CN11.

OFFThese pins are disconnected from ST morpho connector CN11 to avoid stub of QSPI_IO1 signals on PCB.

JP2(2) (STM_RST)

OFF No incidence on ST-LINK STM32F103CBT6 NRST signal.

ONST-LINK STM32F103CBT6 NRST signal is connected to GND (ST-LINK reset to reduce power consumption).

JP3 (NRST)

ONBoard RESET signal (NRST) is connected to ST-LINK reset control I/O (T_NRST).

OFFBoard RESET signal (NRST) is not connected to ST-LINK reset control I/O (T_NRST).

SB122, SB121, SB127 (VDD_MCU)

ON, OFF,OFF

VDD_MCU is connected to VDD directly (3.3 V fixed).

OFF, ON, ON

VDD_MCU is connected to output of DC-DC (1.8 V fixed).

1. Default SBx state is shown in bold.

2. The jumper JP2 is not mounted on the board by default.



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49

6.14 Expansion connectors

For each STM32 Nucleo-144 board the Figure 11, Figure 12 and Figure 13 show the signals connected by default to the ST Zio connectors (CN7, CN8, CN9 and CN10), including the support for Arduino Uno V3.

Figure 11. NUCLEO-L496ZG

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32/50 DocID030347 Rev 5

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DocID030347 Rev 5 33/50


49

Figure 13. NUCLEO-L4R5ZI

6.15 ST Zio connectors

The connectors CN7, CN8, CN9 and CN10 are female on top side and male on bottom side of the STM32 Nucleo-144 board. They include support for Arduino Uno V3. Most shields designed for Arduino Uno V3 can fit to the STM32 Nucleo-144 board.

Caution: The I/Os of the STM32 microcontroller are 3.3 V compatible, while Arduino Uno V3 is 5 V compatible.

Table 11 shows the pin assignments for the STM32 on the ST Zio connector.

NUCLEO-L4R5ZI

CN7

CN10

CN8

CN9

13579

1113151719

2468

101214161820

13579

111315

2468

10121416

13579

11131517192123252729

2468

1012141618202224262830

13579

111315171921232527293133

2468

10121416182022242628303234

PC8

PF5PF3PD2PC12PC11PC10PC9

GNDPD3PD4PD5PD6PD7

PG1PF9PF7PF8PE3PE6

PE4PE2

PE5

D34D33D32

GNDD31D30D29D28

GND

D25D24D23D22D21D20D19D18D17D16

D27D26

A8A7A6

GNDAGNDAVDD

PE0PB0PA0

GNDPE14PE12PB0

PE15GND

PB4PA4PB3PB5PB4PA4

PB12PB13PB15PC6

PB10PA2PA1PC2PB1

GNDAGNDAVDDD50

D49D48D47D46D45D44D43

GNDD55D54D53D52D51

D64D63D62D61D60D59D58D57D56

Arduino subset of Zio = A0 to A5 and D0 to D15

Zio extension = A6 to A8 and D16 to D72

USB

USBST-LINK

D65D66D67

GNDD68D69D70D71D72

VINGNDGND+5V

+3V3RESETIOREF

NC

A5A4A3A2A1A0

PG0PD1PD0GNDPF0PF1PF2PB6PB2

VINGNDGND+5V

+3V3RESETIOREF

NC

PC5PC4PC1PC3PC0PA3

PF12PD15PD14PA7PA6PA5GNDNCPB9PB8

PD9PD8PF15PE13PF14PE11PE9PF13

PB11PB10PE15PE14PE12PE10

PE7PE8

GND

D8D9D10D11D12D13GNDAVDDD14D15

D0D1D2D3D4D5D6D7

D35D36D37D38D39D40GNDD41D42


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Table 11. NUCLEO-L496ZG, NUCLEO-L496ZG-P and NUCLEO-L4R5ZI pin assignments

Connector Pin Pin name Signal name STM32 pin Function Remark

Left connectors

CN8

1 NC NC-

-

Arduino support

3 IOREF IOREF 3.3 V Ref

5 RESET RESET NRST RESET

7 +3.3 V +3.3 V

-

3.3 V input/output

9 +5 V +5 V 5 V output

11 GND GNDground

13 GND GND

15 VIN VIN Power input

2 D43 SDMMC_D0 PC8

SDMMC/I2S_A

-

4 D44SDMMC_D1/ I2S_A_CKIN

PC9

6 D45 SDMMC_D2 PC10

8 D46 SDMMC_D3 PC11

10 D47 SDMMC_CK PC12

12 D48 SDMMC_CMD PD2

14 D49 I/O PF3I/O

16 D50 I/O PF5

CN9

1 A0 ADC PA3 ADC12_IN8

Arduino support

3 A1 ADC PC0 ADC123_IN1



9 A4(1) ADC PC4 ADC12_IN13

11 A5(1) ADC PC5 ADC12_IN14

13 D72 COMP1_INP PB2 COMP

-

15 D71 COMP2_INP PB6

I2C_217 D70 I2C_B_SMBA PF2

19 D69 I2C_B_SCL PF1

21 D68 I2C_B_SDA PF0

23 GND GND - ground

25 D67 CAN_RX PD0CAN_1

27 D66 CAN_TX PD1

29 D65 I/O PG0 I/O

2 D51 USART_B_SCLK PD7 USART_2

DocID030347 Rev 5 35/50


49

CN9

4 D52 USART_B_RX PD6

USART_2

-

6 D53 USART_B_TX PD5

8 D54 USART_B_RTS PD4

10 D55 USART_B_CTS PD3

12 GND GND - ground

14 D56 SAI_A_MCLK PE2

SAI_1_A16 D57 SAI_A_FS PE4

18 D58 SAI_A_SCK PE5

20 D59 SAI_A_SD PE6

22 D60 SAI_B_SD PE3

SAI_1_B24 D61 SAI_B_SCK PF8

26 D62 SAI_B_MCLK PF7

28 D63 SAI_B_FS PF9

30 D64 I/O PG1 I/O

Right connectors

CN7

1 D16 I2S_A_MCK PC6

SAI_2_A

-

3 D17 I2S_A_SD PB15

5 D18 I2S_A_CK PB13

7 D19 I2S_A_WS PB12

9 D20 I2S_B_WS PA4

SAI_1_B/ SPI3(2)

11 D21 I2S_B_MCK PB4

13 D22I2S_B_SD/

SPI_B_MOSIPB5

15 D23I2S_B_CK/ SPI_B_SCK

PB3

17 D24 SPI_B_NSS PA4

19 D25 SPI_B_MISO PB4

2 D15 I2C_A_SCL PB8 I2C1_SCL

Arduino support

4 D14 I2C_A_SDA PB9 I2C1_SDA

6 AREF AREF-

VREF+(3)

8 GND GND ground

10 D13 SPI_A_SCK PA5 SPI1_SCK

12 D12 SPI_A_MISO PA6 SPI1_MISO

14 D11SPI_A_MOSI/ TIM_E_PWM1

PA7SPI1_MOSI/ TIM17_CH1

Table 11. NUCLEO-L496ZG, NUCLEO-L496ZG-P and NUCLEO-L4R5ZI pin assignments (continued)



36/50 DocID030347 Rev 5

CN7

16 D10SPI_A_CS/

TIM_B_PWM3PD14

SPI1_CS/ TIM4_CH3

Arduino support18 D9 TIMER_B_PWM2 PD15 TIM4_CH4

20 D8 I/O PF12 -

CN10

1 AVDD AVDD

-

Analog VDD

-

3 AGND AGND Analog ground

5 GND GND ground

7 A6 ADC_A_IN PB1 ADC12_IN16

9 A7 ADC_B_IN PC2 ADC123_IN3

11 A8 ADC_C_IN PA1 ADC12_IN6

13 D26 QSPI_CS PA2(4) QSPI_BK1

15 D27 QSPI_CLK PB10(4) QSPI_CLK

17 GND GND - ground

19 D28 QSPI_BK1_IO3 PE15(4)

QSPI_BK121 D29 QSPI_BK1_IO1 PB0(4)



27 GND GND - ground

29 D32 TIMER_C_PWM1 PA0(4) TIM2_CH1

31 D33 TIMER_D_PWM1 PB0(4) TIM3_CH3

33 D34 TIMER_B_ETR PE0 TIM4_ETR

2 D7 I/O PF13 -

Arduino support

4 D6 TIMER_A_PWM1 PE9 TIM1_CH1


8 D4 I/O PF14 -


12 D2 I/O PF15 -

14 D1 USART_A_TX PD8USART3

16 D0 USART_A_RX PD9

18 D42 TIMER_A_PWM1N PE8 TIM1_CH1N

-

20 D41 TIMER_A_ETR PE7 TIM1_ETR

22 GND GND - ground

24 D40 TIMER_A_PWM2N PE10 TIM1_CH2N

26 D39 TIMER_A_PWM3N PE12(4) TIM1_CH3N



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49

6.16 ST morpho connector

The ST morpho connector consists in male pin header footprints CN11 and CN12 (not soldered by default). They can be used to connect the STM32 Nucleo-144 board to an extension board or a prototype/wrapping board placed on top of the STM32 Nucleo-144 board. All signals and power pins of the STM32 are available on the ST morpho connector. This connector can also be probed by an oscilloscope, logical analyzer or voltmeter.

Table 12 shows the pin assignments for the STM32 on the ST morpho connector.

CN10

28 D38 I/O PE14(4) I/O

-30 D37 TIMER_A_BKIN1 PE15(4) TIM1_BKIN1

32 D36 TIMER_C_PWM2 PB10(4) TIM2_CH3

34 D35 TIMER_C_PWM3 PB11(5) TIM2_CH4

1. To be compatible with the previous versions of the Arduino Uno V3 board, A4/A5 do not support I2C.

2. I2S_B group has the same port as SAI_B group, but they have a different pin map.

3. VREF+ is not connected to CN7 by default.

4. QSPI signals (PA2, PB10, PE15, PB0, PE12 and PE14) are shared with timer signals on CN10.

5. PB11 is not available on the NUCLEO-L496ZG-P board.



Table 12. ST morpho connector pin assignments

CN11 odd pins CN11 even pins CN12 odd pins CN12 even pins

Pin Pin name Pin Pin name Pin Pin name Pin Pin name

1 PC10 2 PC11 1 PC9 2 PC8

3 PC12 4 PD2 3 PB8 4 PC6

5 VDD 6 E5V 5 PB9 6 PC5

7PH3-

BOOT0(1) 8 GND 7 VREF+(2) 8 U5V(3)

9 PF6 10 - 9 GND 10 PD8

11 PF7 12 IOREF 11 PA5 12 PA12

13 PA13(4) 14 RESET 13 PA6 14 PA11

15 PA14(4) 16 +3.3 V 15 PA7 16 PB12

17 PA15 18 +5 V 17 PB6 18 PB11

19 GND 20 GND 19 PC7 20 GND

21 PB7 22 GND 21 PA9 22 PB2

23 PC13 24 VIN 23 PA8 24 PB1

25 PC14 26 - 25 PB10 26 PB15

27 PC15 28 PA0 27 PB4 28 PB14


38/50 DocID030347 Rev 5

6.17 Bootloader limitation

6.17.1 Bootloader operation

Boot from system Flash memory runs bootloader code stored in the system Flash memory protected against writing and erasing. This allows in-system programming (ISP) with flashing of the STM32 user Flash memory. It also allows writing data into the RAM. The data is written via the USART, SPI, I2C, USB or CAN communication interface.

29 PH0 30 PA1 29 PB5 30 PB13

31 PH1 32 PA4 31 PB3 32 AGND

33 VBAT 34 PB0 33 PA10 34 PC4

35 PC2 36 PC1 35 PA2 36 PF5

37 PC3 38 PC0 37 PA3 38 PF4

39 PD4 40 PD3 39 GND 40 PE8

41 PD5 42 PG2 41 PD13 42 PF10

43 PD6 44 PG3 43 PD12 44 PE7

45 PD7 46 PE2 45 PD11 46 PD14

47 PE3 48 PE4 47 PE10 48 PD15

49 GND 50 PE5 49 PE12 50 PF14

51 PF1 52 PF2 51 PE14 52 PE9

53 PF0 54 PF8 53 PE15 54 GND

55 PD1 56 PF9 55 PE13 56 PE11

57 PD0 58 PG1 57 PF13 58 PF3

59 PG0 60 GND 59 PF12 60 PF15

61 PE1 62 PE6 61 PG14 62 PF11

63 PG9 64 PG15(5) 63 GND 64 PE0

65 PG12 66 PG10 65 PD10 66 PG8

67 - 68 PG13 67 PG7 68 PG5

69 PD9 70 PG11 69 PG4 70 PG6

1. Default state of BOOT0 is 0. It can be set to 1 when a jumper is plugged on the pins 5-7 of CN11.

2. VREF+ is not connected to CN12 by default.

3. U5V is the +5V power signal, coming from the ST-LINKV2-1 USB connector. It rises before the +5V signal of the board.

4. PA13 and PA14 are shared with SWD signals connected to ST-LINK/V2-1. If ST-LINK part is not cut, it is not recommended to use them as I/O pins.

5. PB11 and PG15 are not available on the NUCLEO-L496ZG-P board.

Table 12. ST morpho connector pin assignments (continued)

CN11 odd pins CN11 even pins CN12 odd pins CN12 even pins

Pin Pin name Pin Pin name Pin Pin name Pin Pin name

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49

6.17.2 Bootloader identification

The bootloader version is identified by reading the bootloader ID at address 0x1FFF 6FFE:

• the bootloader ID is 0x91 for bootloader version V9.1.

• the bootloader ID is 0x92 for bootloader version V9.2.

6.17.3 Bootloader limitation

The limitation existing in bootloader V9.1 causes user Flash memory data to get randomly corrupted when written via the bootloader SPI interface.

As a result, during bootloader SPI Write Flash operation, some random 64-bits (2 double-words) may be left blank at 0xFF.

6.17.4 Affected parts

The STM32L496ZGT6, STM32L496ZGT6P, and STM32L4R5ZIT6 parts respectively soldered on the NUCLEO-L496ZG, NUCLEO-L496ZG-P, and NUCLEO-L4R5ZI main boards are marked with a date code corresponding to their manufacturing dates.

The STM32L496ZGT6, STM32L496ZGT6P, and STM32L4R5ZIT6 parts with a date code prior or equal to week 37 of 2017 are fitted with bootloader V9.1. They are affected by the limitation described in Section 6.17.3 and require one of the workarounds proposed in Section 6.17.5.

The parts with a date code equal to week 38 of 2017 or later contain bootloader V9.2. They are not affected by the limitation.

To locate the visual date code information on the STM32L496ZGT6, STM32L496ZGT6P, or STM32L4R5ZIT6 package, refer to the Package Information section in the data sheet available at www.st.com. The date code related portion of the package marking is in the Y WW format, where Y is the last digit of the year and WW is the week number. For example, a part manufactured in week 38 of 2017 bears the 7 38 date code.

6.17.5 Workarounds

Three workarounds are proposed to overcome the limitation existing with bootloader V9.1.

Workaround 1

Add a delay between sending a Write command and its ACK request. The delay duration must be the duration of the 256-byte Flash-write time.

Workaround 2

Read back after each write operation (256 bytes or end of user code flashing) and, in case of error, perform the write operation again.

Workaround 3

Using the bootloader, load a patch code in RAM to write in Flash memory through the same Write Memory write protocol as the bootloader This patch is provided by STMicroelectronics. The patch code is available for download from the www.st.com website with a readme.txt file containing the instructions of use.

Electrical schematics UM2179

40/50 DocID030347 Rev 5

Appendix A Electrical schematics

This section provides the design schematics for the STM32 Nucleo-144 board:

• Top and Power (see Figure 14)

• MCU (see Figure 15)

• ST-LINK/V2-1 (see Figure 16)

• USB (see Figure 17)

• Extension connector (see Figure 18)

• SMPS power supply (see Figure 19)

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Figure 14. Top and power

1 6

TOP & POWER

MB1312 A-01

12/8/2016

Title:

Size: Reference:

Date: Sheet: of

A4 Revision:

NUCLEO-LXXXZXProject:

+3V3

C191uF_X5R_0603

C26100nF C20

100nF

VIN

+5V

VDDJP5R281K

C1810uF(25V) C17

10uF

Vin3 Vout 2

1

Tab 4

U5LD1117S50TR

EN1

GN

D2

VO 4

NC 5GN

D0

VI6 PG 3U6 LD39050PU33R

Note1: Text in italic placed on a wire does not correspond to net name. It justhelps to identify rapidly Arduino's signal related to this wire.

C271uF_X5R_0603

E5V

Power Switch to supply +5Vfrom STLINK USB

C164.7uF

IN1

IN2

ON3 GND 4

SET 5

OUT 6

OUT 7

FAULT8

U4

ST890CDR

R2610K

R272K7

C11100nF

1 2 LD5Red

R221K

U5V

SB6 Closed

VIN_5V

SB5 Closed

+3V3_PER

12

LD6Green

NRST

MCOSTLK_TXSTLK_RX

PA[0..15]PB[0..15]PC[0..15]

TCKTMSSWO

PH3-BOOT0

PD[0..15]PE[0..15]PF[0..15]PG[0..15]PH[0..1]

USB_DMUSB_DP

USB_GPIO_OUTUSB_GPIO_IN

USB_IDUSB_VBUS

U_STM32L_144STM32L_144.SchDoc

PA[0..15]PB[0..15]PC[0..15]

NRSTPH3-BOOT0

PD[0..15]PE[0..15]PF[0..15]PG[0..15]

PH[0..1]

U_ConnectorsConnectors.SchDoc

TMSTCK

MCO

NRST

STLK_RXSTLK_TX

SWO

PWR_ENn

U_ST_LINK_V2-1ST_LINK_V2-1.SCHDOC

USB_PowerSwitchOnUSB_OverCurrent

USB_DMUSB_DP

USB_IDUSB_VBUS

USB_Disconnect

VBUS_DET

U_USBUSB.SchDoc

PG[0..15]

U_SMPS power supplySMPS power supply.SchDoc

6 54 32 1

8 7

JP6

Header 4X2

U5V

Cut

tabl

eLi

neon

PCB

Elec

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Figure 15. MCU

2 6

MCU

MB1312 A-0112/8/2016

Title:

Size: Reference:Date: Sheet: of

A3 Revision:


C38 4.3pF[N/A]

C37 4.3pF[N/A]

C362.7pF

C352.7pF

R400

R390

C41

100nF

R3810K

PA4PA5PA6PA7

PA11PA12

PA0PA1

PA15

PA3

PA13PA14

PA2

PA8

NRST

PB5

PB6

PB7

PB14PB15

PB10

PB8

PB9

PB1PB2

PB3

PB0

PB4

PB11

PB12PB13

PC0PC1PC2PC3PC4PC5PC6PC7PC8PC9PC10PC11PC12

PC13PC14PC15

NRST

MCO

STLK_TXSTLK_RX

L3BEAD

AVDD

PA[0..15]PA[0..15]

PB[0..15]PB[0..15]

PC[0..15]PC[0..15]

TCKTMS

SWO

PH0PH1

AVDD

C58100nF

AGND

C601uF_X5R_0603

VBAT

PH3-BOOT0

AGND

VDD

VDD

AGND

C29100nF

C61100nF

C49100nF

C33100nF

C34100nF

PD0PD1PD2PD3PD4PD5PD6PD7PD8PD9PD10PD11PD12PD13PD14PD15

PE0

PE1

PE2PE3PE4PE5PE6

PE14PE15

PE9PE8

PE11PE10

PE12PE13

PE7

PF0PF1PF2PF3PF4PF5

PF14PF15

PF9PF8

PF11PF10

PF12PF13

PF6PF7

PG0PG1PG2PG3PG4PG5

PG14

PG9PG8

PG11PG10

PG12PG13

PG6PG7

PG15

PD[0..15]PD[0..15]

PE[0..15]PE[0..15]

PF[0..15]PF[0..15]

PG[0..15]PG[0..15]

PH[0..1]PH[0..1]

SB152Closed

SB154 Closed

SB197 Closed

SB166 Closed

X2NX3215SA-32.768KHZ-EXS00A-MU00525

C31100nF

C50100nF

C51100nF

C53100nF

C30100nF

C32100nF

C28100nF

USB_DMUSB_DP

SB142 ClosedSB143 Closed

USB_GPIO_OUTUSB_GPIO_IN

R42220K

C40 [N/A] R44

100

R43

330

JP4

PA9PA10

R54,SB134 & SB135 removed for USB device only

USB_IDUSB_VBUS R54 10K

SB134

LPUART1_TXLPUART1_RX

TP1USB_SOF


1

4 3

2B1

USER (Blue)

1

43

2B2

TD-0341 [RESET/Black]

12 X3

NX3225GD-8.000M-EXS00A-CG04874[N/A]

1 2LD3Red

R30

680

R29

1KSB132 Closed

SB12 Open

SB13 Open

C544.7uF_X5R_0603

SB135

SB178 Open

Usr_But

Usr_But

1 2LD2 Blue

SB148 Open

VDD_1V2 VDD_1V2SB139 SB15

C39 and C55, non mounted 1nFcapacitances on Legay (whenSB15 and SB139 are open)

SB185SB187 PE0

SB186SB181

SB172SB171 PH3-BOOT0

PH3-BOOT0

SB174SB173

SB176SB175

SB163SB165

SB162SB164

SB138

VREF+SB149

Closed

1uFC59 C57

100nF

AGND

1uFC56

VREF+VDD

SB190SB189SB14

SB183SB184 PB8

SB160SB161 PB3

PA034PA135PA236PA337PA440PA541PA642PA743

PB0 46PB1 47PB2 48

PB10 69

PB11/SMPSVDD12 70

PB12 73

PB13 74

PB14 75PB15 76

PA8100

PA9101

PA10102

PA11103

PA12104

PA13105

PA14109

PA15110

PB3/PB4 133

PB4/PB5 134

PB5/PB6 135

PB6/PB7 136

PB7/PH3-BOOT0 137

PB8/PB9 139

PB9/PE0 140

PC13 7PC14-OSC32_IN 8

PC15-OSC32_OUT 9

PC026

PC127

PC228

PC329

PC444

PC545

PC696PC797PC898PC999PC10111PC11112PC12113

U11A

STM32L_LQFP144

PE21

PE32

PE43PE54PE65PE758PE859PE960PE1063PE1164PE1265PE1366PE1467PE1568

PD877

PD978

PD1079

PD1180

PD1281

PD1382

PD1485

PD1586

PD0114PD1115PD2116PD3117PD4118PD5119PD6122PD7123

PE0/PE1141

PE1/SMPSVDD12142

PF2 12PF3 13PF4 14PF5 15PF6 18PF7 19PF8 20

PF9 21

PF10 22

PF11 49

PF12 50

PF13 53

PF14 54

PF15 55

PF0 10PF1 11

PG2 87

PG3 88

PG4 89

PG5 90

PG6 91PG7 92PG8 93PG9 124

PG10 125PG11 126PG12 127PG13 128PG14 129

PG15/PB3 132

PG0 56

PG1 57

U11B

STM32L_LQFP144

VSS_5 16VDD_517

VSSA/VREF- 30VREF+32

VDD_10121

VDDIO_295

VDD_652VDD_762VDD_884

VDDIO_2131

VSS_10 120

VSSIO_1 94

VSS_6 51VSS_7 61VSS_8 83

VSSIO_2 130

VDDUSB106

VSS_3 143

PH0-OSC_IN23

PH1-OSC_OUT24 NRST 25

PH3-BOOT0/PB8 138

VDDA33

VDD_439

VDD_172VDD_2108VDD_3144

VBAT6 VREF-/VSSA 31

VSS_2 107

VSS_4 38

VSS_1 71

U11C

STM32L_LQFP144

VDD_MCU

VDD_MCU

VDD_MCU

SB158 ClosedSB167 Open

VDD_MCU VDD_MCU VDD_MCU

C55 1nF C39 1nF

C524.7uF_X5R_0603

VDD

VDD_MCU

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Figure 16. ST-LINK/V2-1

3 6

STLINK/V2-1

MB1312 A-01

12/8/2016

Title:

Size: Reference:

Date: Sheet: of

A4 Revision:


STLINK_USB_DMSTLINK_USB_DP

STM_RST

T_JT

CK

T_JTCK

T_JT

DO

T_JT

DI

T_JTMS

STM_JTMS

STM

_JTC

K

OSC_INOSC_OUT

T_N

RST

AIN_1

USB ST-LINK U5V

COM

PWR

Jumpers ON --> NUCLEO SelectedJumpers OFF --> ST-LINK Selected

Board Ident: PC13=0T_JTCK

T_JTMS

SWD

1 2 3 4

CN4

STM_JTMS

STM_JTCK SWCLK

SWDIO

SWD

RESE

RVED

DEF

AULT

T_SWDIO_IN

LED_STLINK

LED_STLINK

TMSTCKTCK/SWCLK

TMS/SWDIO

MCO MCO

T_JR

ST

AIN_1

T_NRST

T_SWO

NRSTT_NRST

D1

BAT60JFILM

CN6TXRX

STLK_RX

STLK_TX

STLINK_USB_DMSTLINK_USB_DP

T_SWO

SWOSWO_MCU

Red

_Green

2 1

3 4

LD4

LD_BICOLOR_CMS

R91K5

R10100K

R18

100

R12

100

R130

R1 100[N/A]

R14 22

R15 22

R19 22

R20 22

R21 100

R25

100[N/A]

R2

10K

R4 10K[N/A]

R5100K

R7

100K

R3 10K

R23 4K7

R24 4K7

C1100nF

C12100nF

C13100nF

C3100nF

C720pF[N/A]

C510pF

C610pF

C2100nF

123456

CN5

Header 6X1

U5V

USB_RENUMn

USB

_REN

UM

n

PWR_ENn

R8

2K7

R6

4K7

+3V3_ST_LINK

+3V3_ST_LINK

+3V3_ST_LINK

+3V3_ST_LINK

+3V3_ST_LINK

+3V3_ST_LINK

+3V3_ST_LINK

JP1+3V3_ST_LINK

PW

R_E

XT

+3V3_ST_LINK

D5

BAT60JFILM

D3

BAT60JFILM

C141uF_X5R_0603

C1510nF_X7R_0603

C91uF_X5R_0603

C10100nF

C8100nF

+3V3_ST_LINK

R1110K

R1736K

U5V

R16 100

+3V3_ST_LINK

CN3

Wired on Solder Side

CN2

E5V

VBAT1

PA7

17

PC132

PA12 33PC143

PB0

18

PC154 JTMS/SWDIO 34

OSCIN5

PB1

19

OSCOUT6

VSS_2 35

NRST7

PB2/

BOO

T120

VSSA8

VDD_2 36

VDDA9

PB10

21

PA010

JTCK

/SW

CLK

37

PA111

PB11

22

PA212

PA15

/JTD

I38

PA3

13

VSS

_123

PA4

14

PB3/

JTD

O39

PA5

15

VD

D_1

24

PA6

16

PB4/

JNTR

ST40

PB12 25

PB5

41

PB13 26

PB6

42

PB14 27

PB7

43

PB15 28

BOO

T044

PA8 29

PB8

45

PA9 30

PB9

46

PA10 31

VSS

_347

PA11 32

VD

D_3

48

U2STM32F103CBT6

D2

BAT60JFILM

SB100Closed

SB102Closed

SB104Closed

SB106Closed

SB101Open

SB103Open

SB105Open

SB107Open

SB141 Closed+5V

1 2X1

NX3225GD-8.000M-EXS00A-CG04874

I/O11

GND2I/O23 I/O2 4Vbus 5I/O1 6

U1

USBLC6-2SC6C4100nF

U5V

iDiff Pair 90ohm

iDiff Pair 90ohm

VBUS 1DM 2DP 3

ID 4GND 5

Shield 6

USB

_Mic

ro-B

rece

ptac

le

Shield 7Shield 8Shield 9

EXP 10

EXP 11

CN1

1050170001

VIN_5V

D4

BAT60JFILM3

1

2

T19013

+3V3_PER

SB109 Open

VccA1A12A23

GND4 DIR 5B2 6B1 7VccB 8U14

SN74LVC2T45DCUT

100nFC44

100nFC43

+3V3_ST_LINK

T_JTMST_SWDIO_INT_SWO SWO_MCU

SB108 Open

JP3

VDD_MCU

JP2

51

2

GND3

4

BYPASSEN

Vin Vout

U3 LDK120M33R

Elec

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Figure 17. USB

4 6

USB

MB1312 A-01

12/8/2016

Title:

Size: Reference:

Date: Sheet: of

A4 Revision:


+5VUSB_PowerSwitchOn

USB_OverCurrent12

LD7Red

R45620

USB_DMUSB_DPUSB_ID

C424.7uF

GND2

IN5EN4 OUT 1FAULT 3

U12

STMPS2151STR

R41330

12

LD8Green

R4822K

R5210K

R5147K

R49

47K

3

1

2

T29013

USB_VBUS

PA10

PA9

PA12PA11

PG6

PG5

iDiff Pair 90ohm

iDiff Pair 90ohm +3V3_PER

+3V3_PERRemove for USB device only

USB_DisconnectR501K5

PG6

Solder only for USB device only

VBUS_DET

R46430K

R47620K

SB200SB198

SB199SB201

D6ESDALC6V1-1U2 I/O11

GND2I/O23 I/O2 4Vbus 5I/O1 6

U13

USBLC6-2SC6

USB Micro-AB receptacle:475891001

VBUS1DM2DP3

ID4

GND5

Shield6

Shield7Shield8Shield9EXP10

EXP11

CN14

Micro-AB or Micro-B

USB Micro-B receptacle:1050170001 used for device onlyPG5

UM

21

79E

lectrica

l sc

he

ma

tics

DocID

030347 R

ev 5

45/50

Figure 18. Extension connectors

5 6

Extension connectors

MB1312 A-0112/8/2016

Title:


A3 Revision:


Extension connectors

A0A1A2A3A4A5

VIN

PA[0..15]PA[0..15]

PB[0..15]PB[0..15]

PC[0..15]PC[0..15]

AGND

NRST NRST

AVDD

PH3-BOOT0 PH3-BOOT0

SB151/SB153 Close only for I2C on A4/A5

12

LD1Green

R31510

PD[0..15]PD[0..15]

PE[0..15]PE[0..15]

PF[0..15]PF[0..15]

PG[0..15]PG[0..15]

SB153 OpenSB151 Open

PH[0..1]PH[0..1]

R36 200K

3

14

25

U8TSV631AILT R37

10K

SDMMC_CKSDMMC_CMD

SDMMC_D0SDMMC_D1/I2S_A_CKINSDMMC_D2SDMMC_D3

TIMER_A_PWM1N

TIMER_A_PWM2NTIMER_A_PWM3N

TIMER_A_BKIN1TIMER_A_BKIN2

TIMER_A_ETR

SAI_A_SDSAI_A_SCKSAI_A_FSSAI_A_MCLK

SAI_B_SDSAI_B_SCK

SAI_B_FSSAI_B_MCLK

TIMER_D_PWM1 TIMER_C_PWM2TIMER_B_ETR

TIMER_C_PWM1

TIMER_C_PWM3

I2S_A_SDI2S_A_CKI2S_A_WS

I2S_A_MCK

I2S_B_SD/SPI_B_MOSII2S_B_CK/SPI_B_SCK

I2S_B_WSI2S_B_MCK

QSPI_CLKQSPI_CS

QSPI_BK1_IO0QSPI_BK1_IO2

QSPI_BK1_IO1QSPI_BK1_IO3

ADC_A_INADC_B_INADC_C_IN

I2C_B_SCLI2C_B_SDA

I2C_B_SMBA

SPI_B_MISOSPI_B_NSS

USART_B_TXUSART_B_RXUSART_B_SCLK

USART_B_CTSUSART_B_RTS

CAN_TXCAN_RX PA0

PA3

PB5

PB15

PB10

PB1

PB3

PB11

PB12

PC0PC2PC3

PC6

PC8PC9PC10PC11PC12

PD0PD1

PD2

PD3PD4PD5PD6PD7

PD15

PE0

PE2

PE3

PE4PE5PE6

PE14PE15

PE8

PE10PE12

PE7

PF0PF1PF2

PF9

PF8PF7

PG0 PG1

PF12

NRST

+5V+3V3

PF14

PF15

PF13

D0D1D2

D4D3

D5D6D7

D8D9D10

D14D15

D13D12D11

PA5PA6

PB8PB9

COMP1_INP

USART_A_TXUSART_A_RX

TIMER_B_PWM2SPI_A_CS/TIM_B_PWM3SPI_A_MOSI/TIM_E_PWM1

SPI_A_SCKSPI_A_MISO

I2C_A_SCLI2C_A_SDA

PA7PD14

IOIO

IOIO

PC1PC4PC5

PE9PE11

PE13

PB0

PB2PB6

PB13

PB8PB9

13579111315

2468

10121416

CN8

Header 8X2_Female

135791113151719

2468

101214161820

CN7

Header 10X2_Female

PA1

2468

1012

13 1415 1617 1819 2021 2223 2425 2627 2829 30

1357911

CN9

Header 15X2_Female

13579111315

17 1819 2021 2223 2425 2627 2829 3031 3233 34

2468

10121416

CN10

Header 17X2_Female

SB124 Closed

PA0

PA4PB0

PA1

PA15

PA13PA14

PC2PC3

PB7

PC10 PC11PC12

PC13PC14PC15

PF6PF7

NRST

PD2

PH0PH1

VDD

VBAT

E5V

SB156 Closed

SB146 OpenSB145 Open

PC1PC0

+3V3

VIN

+5V

PE0PE1

PE2PE3 PE4

PE5

PE6

PE14PE15

PE9

PE8

PE11

PE10PE12

PE13

PE7

PD0PD1

PD3PD4PD5PD6PD7

PD9

PD10

PD11PD12PD13

PD14PD15

SB193Closed

PA2

PA5PA6PA7

PA10

PA3

PB1

PB3

PB4

PB8PB9

PA11PA12

PA9PA8

PC4

PC5PC6

PC7

PB5

PB6

PB14PB15

PB2

PB11PB12

PB13

PC8PC9

PB10

PD8

PF4

AGND

U5V

PF5

Morpho connector

SB195 Closed

PG0PG1

PG2PG3

PG4PG5

PG14PG9

PG8

PG11

PG10PG12PG13

PG6PG7

PG15

PF0PF1 PF2

PF3

PF14

PF15

PF9PF8

PF11

PF10

PF12PF13

Morpho connector

TIMER_A_PWM1TIMER_A_PWM2

TIMER_A_PWM3

Arduino Uno compatible

SB136 Closed SB137Closed

+3V3_PER

1 23 45 67 89 1011 1213 1415 1617 1819 2021 2223 2425 2627 2829 3031 32333537

3941434547495153555759

424446485052545658606264666870

40

6163

6769

65

343638

71 72

CN11

Header 36X2

1 23 45 67 89 1011 1213 1415 1617 1819 2021 2223 2425 2627 2829 3031 32333537

3941434547495153555759

424446485052545658606264666870

40

6163

6769

65

343638

71 72

CN12

Header 36X2

+3V3 SB110 Open+3V3_PER

IOREF

IOREF

IOREF

Zio connector

Arduino Uno compatibleZio connector

PA5SB123 Open

SB179 Closed

D43D44D45D46D47D48D49D50

D72D71D70D69D68

D67D66D65

D51D52D53D54D55

D56D57D58D59D60D61D62D63D64

D16D17D18D19

D20D21

D22D23D24D25

A6A7A8

D26D27

D28D29D30D31

D32D33D34 D35

D36D37D38D39D40

D41D42

PB10 SB155 ClosedSB150 ClosedPA2

SB168 ClosedPE12SB159 ClosedPB0SB157 ClosedPE15

SB170 ClosedPE14

SB182 Closed SB188 Closed


SB169 Closed

PC7

PB4PA4 SB126 Closed

SB133 Closed

SB128 Closed

SB140 Closed

COMP2_INP

SB147 Closed

SB136/SB137 to avoidstub of SDMMC signals

SB192 ClosedSB194 ClosedSB196 Closed

SB191 Closed

PD8PD9

VREF+

C45 [N/A]

SB119

Open

AGND

PH3-BOOT0

SB111 Open

PF3PF5

SB112 ClosedVDD_MCU

SB144 Closed

SB144 to avoidstub of QSPI_IO1 signals

Elec

trical s

ch

em

atic

sU

M2

179

46/5

0D

ocID030

347 Re

v 5

Figure 19. SMPS power supply

6 6

SMPS power supply

MB1312 A-012/21/2017

Title:


A3 Revision:


VIN2

EN12

CTRL8

D211D110D09

SW 3

VOUT 5

VOUT2 6

PG 7

GN

D4

AUX 1

U9ST1PS02D1QTR

110

2

9 1IN

D11S2

1S1

65

7

4 2IN

D22S2

2S1

VC

C3

GN

D8

U7STG3684AUTR

VINA3

ENB2

D0C1

D1A1

SW C3

VOUT E3

PG E1

GND D2

U10ST1PS01EJR

SMPS_V1

SMPS_EN

SMPS_PG

SMPS_SW

VOUTVDDVOUTCORE

U9 and U15 areexclusively populated

SB7Closed:If ADI5301(U15) isused or ST1PS02(U9)VOUT is usedOpen: If ST1PS02(U9)VOUT2 is used

SB1Closed:DefaultOpen:If external switch(U7) is needed

SB8Closed: DefaultOpen: If usingExternal SMPSon CN13

SB4Open: DefaultClosed: If usingExternal SMPS onCN13 and U7 isneeded

SB11:Closed: If ST1PS02(U9) VOUT2 is usedOpen: If ADI5301(U15)is used or ST1PS02(U9)VOUT is used

Mode SB10 SB118 SB115 SB117 SB9 Volt Ivdd

ST1PS02DDefault Open Open Open Closed Closed 1.25 naDualVlow Closed Open Closed Open Open 1.05/1.15 50DualVhi Open Closed Open Open Closed 1.05/1.25 100

SW A1PVINA2

ENA3 PGND B1

AGNDB2 SYNC/MODEB3 VOUTOK C1FB C2

VID C3

U15ADP5301ACBZ-2-R7

SW A1PVINA2ENA3 PGND B1

AGNDB2 SYNC/MODEB3 VOUTOK C1FB C2

VID C3

U16ADP5301ACBZ-2-R7

U10 and U16are exclusive

Default volatge will be Vout = 1.2VBUT Some board to be equiped withADP5301_Opt1 and R53=25.5K forVout = 1.1V

VDD

VDD_1V2

VDDPG10

PG11

PG12

PG13

Componants mounted based on different board reference

PG[0..15] PG[0..15]

C24100nF

C23100nF

SB125Closed

SB120Open

SB8 SB1

SB114

SB116

SB113 SB7

SB4 SB3

SB2

SB11

SB16

SB18

SB17

SB10

SB118

SB117

SB115 SB9

L22.2uH[VLS252010HBX-2R2M-1]

L12.2uH[VLS252010HBX-2R2M-1]

VDD_MCU

SB2Closed:DefaultOpen:If external switch (U7)is needed

SB3Open: DefaultClosed: If usingExternal SMPS onCN13 and U7 isnot needed

Solder bridges default setting

ADI5301(U15):Closed: SB1, SB2, SB7, SB8, SB16, SB17, SB18, SB114Open: SB3, SB4, SB9, SB10, SB11, SB113, SB115, SB116,SB117, SB118, SB129

ST1PS02(U9):Closed: SB8, SB9, SB11, SB16, SB17, SB18, SB117Open: SB1, SB2, SB3, SB4, SB7, SB10, SB113, SB114,SB115, SB116, SB118, SB129

SB19Open

C2510uF

C4710uF

C2210uF C21

10uF

R3519.6K[1%]

R5311.8K[1%]

R330

R34

1M

R32

33K

SB122 Closed

SB121Open

SB127 Open

C48

100nF

SB129

C4610uF[N/A]

6 54 32 1

8 7

CN13

Header 4X2[N/A]

DocID030347 Rev 5 47/50

UM2179 Board revision history and limitations

49

Appendix B Board revision history and limitations

Table 13. Board revision history and limitations

Board Version Revision details Known limitations

MB1312 A-04 Initial version A4/A5 on Arduino Uno V3 connector CN9 cannot be used as I2C function.

MB1312 (SMPS) A-03Initial version for NUCLEO-L496ZG-P

A4/A5 on Arduino Uno V3 connector CN9 cannot be used as I2C function.

Federal Communications Commission (FCC) and Industry Canada (IC) Compliance UM2179

48/50 DocID030347 Rev 5

Appendix C Federal Communications Commission (FCC) and Industry Canada (IC) Compliance

This kit is designed to allow:

• (1) Product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and

• (2) Software developers to write software applications for use with the end product. This kit is not a finished product and when assembled may not be resold or otherwise marketed unless all required FCC equipment authorizations are first obtained. Operation is subject to the condition that this product not cause harmful interference to licensed radio stations and that this product accept harmful interference. Unless the assembled kit is designed to operate under part 15, part 18 or part 95 of 47 CFR, Chapter I (“FCC Rules”), the operator of the kit must operate under the authority of an FCC license holder or must secure an experimental authorization under part 5 of this chapter.

DocID030347 Rev 5 49/50

UM2179 Revision history

49

Revision history

Table 14. Document revision history

Date Revision Changes

28-Feb-2017 1 Initial version.

27-Mar-2017 2

Document now also scopes NUCLEO-L496ZG-P product.

Added:

Section 6.5.4: SMPS power supply

Figure 12: NUCLEO-L496ZG-P

Updated:

– cover page features (to cover LL library)

– cover page description

– Section 1: Features (SMPS function)

– Section 6.6: LEDs

– Section 6.13: Solder bridges and jumpers

– Section Appendix B: Board revision history and limitations

– Table 1: Ordering information

– Table 2: Codification explanation

– Table 11: NUCLEO-L496ZG, NUCLEO-L496ZG-P and NUCLEO-L4R5ZI pin assignments

– Figure 3: Hardware block diagram

– Figure 4: STM32 Nucleo-144 board top layout

– Figure 5: STM32 Nucleo-144 board bottom layout

08-Aug-2017 3

Document now also scopes NUCLEO-L4R5ZI product.

Added Figure 13: NUCLEO-L4R5ZI.

Updated:

– The cover page Introduction

– Table 1: Ordering information

– Table 2: Codification explanation

31-Aug-2017 4 Updated Table 1: Ordering information.

7-Nov-2017 5Updated Chapter 2: Product marking. Added Section 6.17: Bootloader limitation.

UM2179

50/50 DocID030347 Rev 5

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 products 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.

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Information in this document supersedes and replaces information previously supplied in any prior versions of this document.

© 2017 STMicroelectronics – All rights reserved

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