ST UM2960 User manual

Introduction

The X-NUCLEO-NFC07A1 dynamic NFC/RFID tag IC expansion board is based on the ST25DV64KC dynamic NFC/RFID

tag IC with a 64-Kbit dual interface EEPROM and fast transfer mode feature. It can be powered through the STM32 Nucleo

development board or directly through the received carrier electromagnetic field.

The X-NUCLEO-NFC07A1 expansion board is compatible with the Arduino UNO R3 connector pin assignment and can easily

be plugged onto any STM32 Nucleo development board. You can stack other expansion boards to evaluate different devices

that work together with the dynamic NFC tag.

The board also features a single-layer antenna with a diameter of 54 mm and copper etched on the PCB.

The expansion board package with order code X-NUCLEO-NFC07A1 contains the X$NUCLEO-NFC07A board.

Figure 1. X-NUCLEO-NFC07A1 expansion board

Getting started with the X-NUCLEO-NFC07A1 NFC/RFID tag IC expansion board

based on ST25DV64KC for STM32 Nucleo

UM2960

User manual

UM2960 - Rev 2 - March 2022

For further information contact your local STMicroelectronics sales office. www.st.com

1Getting started

1.1 Hardware and software requirements

To operate correctly, connect the X-NUCLEO-NFC07A1 expansion board to an STM32 Nucleo development

board as shown below.

Figure 2. X-NUCLEO-NFC07A1 expansion board plugged to an STM32 Nucleo development board

The X-NUCLEO-NFC07A1 is designed to be used with any STM32 Nucleo development board, even if complete

testing has been performed using the NUCLEO-L053R8 (based on the STM32L053R8 ultra-low power Arm®

Cortex®-M0+ MCU) and the NUCLEO-F401RE (hosting the STM32F401RE dynamically efficient MCU based on

Arm® Cortex®-M4).

To use the STM32 Nucleo development boards with the X-NUCLEO-NFC07A1 expansion board, the following

software and hardware specifications are required:

• a PC or laptop with Microsoft Windows ® 7 and above to install the software package (X-CUBE-NFC7)

• a type A to mini-B USB cable to connect the STM32 Nucleo development board to your PC or laptop

• the X-CUBE-NFC7 software package

1.2 Board setup

To set up the board:

Step 1. Check that the jumper on the X-NUCLEO-NFC07A1 ST1 connector is in place.

This jumper provides the required voltage to the device on the board (see Section 2.1.1 Power supply

option for further details).

Step 2. Connect the X-NUCLEO-NFC07A1 on top of the STM32 Nucleo development board as shown in

Figure 2.

Step 3. Power the STM32 Nucleo development board using the Mini-B USB cable.

Step 4. Program the firmware in the STM32 Nucleo development board using the provided firmware example.

Step 5. Reset the MCU board using the reset button available on the STM32 Nucleo development board.

The evaluation kit is ready to be used.

UM2960

Getting started

UM2960 - Rev 2 page 2/15

2Hardware description and configuration

The X-NUCLEO-NFC07A1 expansion board allows the user to test the functionality of the ST25DV64KC dynamic

NFC/RFID tag IC with a 64-Kbit dual interface EEPROM.

The EEPROM is organized in blocks of 512 bytes, arranged by pages of 4 bytes in I²C mode, and in 128 blocks

of 4 bytes in RF mode. It can be powered through the STM32 Nucleo development board or directly through the

received carrier electromagnetic field.

The ST25DV64KC features a general purpose output (GPO) and an energy harvesting feature that lets you

output the energy coming from the RF field on the Vout analog pin and acts on ST1 jumper to enable it.

The ST25DV64KC can act as a mailbox in fast transfer mode in both directions between the RF terminal (such as

an e-reader or a smart phone) and the microcontroller through the I²C. In this case, messages are stored in the

RAM instead of EEPROM. This mode allows exchanging up to 256 byte payload data via RF and I²C interfaces.

A user configurable output pin can also be used as an interrupt for the microcontroller, and toggles during field

change (available even when RF is disabled) (e.g., RF Busy, MailBox filled, EEPROM update, RF user Interrupt

and RF User Set/Reset).

These functions can be exploited using the firmware package contained in the X-CUBE-NFC7 software.

Note: To program the microcontroller on the STM32 Nucleo board refer to user manuals UM1724," STM32 Nucleo-64

board", and UM1725, "Description of STM32F4 HAL and LL drivers", available on www.st.com.).

The STM32 Nucleo and the X-NUCLEO-NFC07A1 are connected through CN5, CN6, CN8, and CN9 connectors

as detailed in the following tables.

Table 1. Interconnections between the STM32 Nucleo board and the X-NUCLEO-NFC07A1 expansion

board (left side)

Signal Connector Pin number STM32 Nucleo board

(MCU port)

X-NUCLEO-NFC07A1

expansion board

CN6 Power

1 - -

IOREF 2 - 3V3

RESET 3 - -

3V3 4 - 3V3

5V 5 - -

GND 6 - GND

GND 7 - GND

VIN 8 - -

CN8 Analog

1 PA0 -

A1 2 PA1 -

A2 3 PA4 -

A3 4 PB0 -

A4 5 PC1/PB9(1) -

A5 6 PC0/PB8(1) -

1. Acting on the STM32 Nucleo board solder bridge

Table 2. Interconnections between the STM32 Nucleo board and the X-NUCLEO-NFC07A1 expansion

board (right side)

Signal Connector Pin number STM32 Nucleo board

(MCU port)

X-NUCLEO-NFC07A1

expansion board

D15

CN5 Digital

10 PB8 ST25DV_SCL

D14 9 PB9 ST25DV_SDA

AREF 8 - -

UM2960

Hardware description and configuration

UM2960 - Rev 2 page 3/15

Signal Connector Pin number STM32 Nucleo board

(MCU port)

X-NUCLEO-NFC07A1

expansion board

GND

CN5 Digital

7 - GND

D13 6 PA5 -

D12 5 PA6 ST25DV_GPO

D11 4 PA7 -

D10 3 PB6 -

D9 2 PC7 -

D8 1 PA9 -

CN9 Digital

8 PA8 -

D6 7 PB10 -

D5 6 PB4 MCU_LED1

D4 5 PB5 MCU_LED2

D3 4 PB3 -

D2 3 PA10 MCU_LED3

D1 2 PA2 -

D0 1 PA3 -

2.1 Power supply and GPIO connection options

2.1.1 Power supply option

The on-board jumper (ST1) allows the user to select the ST25DV power source: external (the power supply of the

STM32 Nucleo development board) or ST25DV energy harvesting, indicated on the board silkscreen with 3.3 V

and EH, respectively.

2.1.2 GPIO option

You can disconnect the ST25DV_GPO optional signal from the STM32 Nucleo development board by removing

R1.

The same option applies to the lines driving the three general-purpose LEDs (MCU_LED1, MCU_LED2, and

MCU_LED3) that can be dedicated to other purposes (by removing R2, R3 and R4, respectively).

In case you modify these connections, update the firmware to enable proper use of the STM32 Nucleo resources.

UM2960

Power supply and GPIO connection options

UM2960 - Rev 2 page 4/15

2.2 Board components

Figure 3. X-NUCLEO-NFC07A1 expansion board component placement

1. Arduino connector

2. Arduino connector

3. ST25DV64KC

UM2960

Board components

UM2960 - Rev 2 page 5/15

2.3 Block diagram

Figure 4. X-NUCLEO-NFC07A1 block diagram

54 mm diameter antenna loop

I2C

ST25DV64KC

Arduino connector Arduino connector

Arduino connector

3V3 power supply

ST1

General Purpose Output

Low-power down

2.4 Operating information

The X-NUCLEO-NFC07A1 frequency band or operating frequency is 13.56 MHz.

Its power output is < 60 dBμA/m at 10 m (measured 10.01 dBμA/m at 10 m).

UM2960

Block diagram

UM2960 - Rev 2 page 6/15

3Schematic diagrams

Figure 5. X-NUCLEO-NFC07A1 circuit schematic

GND

Extension connectors

D10

D14

D15

ST25DV_GPO

ST25DV_SCL

ST25DV_SDA

D13

D12

D11

MCU

Arduino Connector

MCU_LED3

MCU_LED2

MCU_LED1

PA8

PB10

PB4

PB5

PB3

PA10

PA2

PA3

PB8

PB9

PA5

PA6

PA7

PB6

PC7

PA9

IOREF

RESET

+3V3

+5V

GND

VIN

PA0

PA1

PA4

PB0

PC1

PC0

MCU_LED2

MCU_LED3

MCU_LED1

CN8

SSQ-106-03-L-S

CN6

SSQ-108-03-L-S

10 CN5

SSQ-110-03-L-S

8CN9

SSQ-108-03-L-S

3.3V

Arduino Connector

10nF/50V

GND

3.3V

VCC

4.7µF/16V C2

100nF

GND

SCL

VSS

V_EH 1

SDA

VCC 8

GPO

AC0 2

AC1 3

ST25DV64KC-IE6S3

V_EH

ST25DV_GPO

ST25DV_SCL

ST25DV_SDA

GND

VCC

V_EH

GND

Close to U2

1K5 R6

1K5 R7

20K

VCC

R10

R14

R16 0R

R1 0R

ST1

HE14

180R R4

560R

LED3

YELLOW

LED2

BLUE

LED1

GREEN

10nF/50V

AC1

AC0

Antenna

i Alims

Alims

UM2960 - Rev 2 page 7/15

UM2960

Schematic diagrams

4Bill of materials

Item Q.ty Ref. Part/Value Description Manufacturer Order code

1 1 C1 4u7, 1206, 16V,

+/-10%

CAPACITOR

293D475X9016A

2TE3 4.7µF

VISHAY 293D475X9016A2TE3

2 1 C2 100nF, 0603,

16V, +/-10%

CAPACITOR

100nF KEMET C0603C104K4RAC708

3 2 C4, C9 10nF, 0603, 50V,

+/-10%

CAPACITOR

10nF KEMET C0603C103K5RACTU

4 4 C5, C6, C7,

C8 0603 CAPACITOR

0603 (not fitted) KEMET C0603C103K5RACTU

5 1 CN5

CONNECTOR

SSQ-110-03-L-S

1x10Pts

SAMTEC SSQ-110-03-L-S

6 2 CN6, CN9

CONNECTOR

SSQ-108-03-L-S

1x8Pts

SAMTEC SSQ-108-03-L-S

7 1 CN8

CONNECTOR

SSQ-106-03-L-S

1x6Pts

SAMTEC SSQ-106-03-L-S

8 1 LED1 GREEN 2 x

1.6mm

LED GREEN

598-8270-107F DIALIGHT 598-8270-107F

9 1 LED2 BLUE 2 x 1.6mm LED BLUE

598-8291-107F DIALIGHT 598-8270-107F

10 1 LED3 YELLOW 2 x

1.6mm

LED YELLOW

598-8240-107F DIALIGHT 598-8240-107F

11 5 R1, R8, R10,

R14, R16 0603, 50V, +/-5% RESISTOR 0R BOURNS CR0603-J/-000ELF

12 1 R2 0603, 50V, +/-5% RESISTOR 180R PANASONIC ERJH3GJ181V

13 1 R3 0603, 50V, +/-5% RESISTOR 1K YAGEO AC0603JR-071KL

14 1 R4 0603, 50V, +/-5% RESISTOR 560R PANASONIC ERJPA3F5600V

15 2 R5, R6 0603, 50V, +/-5% RESISTOR 1K5 YAGEO AC0603FR-071K5L

16 1 R7 0603, 50V, +/-5% RESISTOR 20K VISHAY CRCW060320K0FKEA

17 1 ST1

CONNECTOR

TSW-103-07-G-S

1x3Pts

SAMTEC TSW-103-07-G-S

18 1 U2 SO8 CI ST25DV64KC-

IE6S3 SO8 ST ST25DV64KC-IE6S3

UM2960

Bill of materials

UM2960 - Rev 2 page 8/15

5Board versions

Table 3. X-NUCLEO-NFC07A1 versions

Finished good Schematic diagrams Bill of materials

X$NUCLEO-NFC07A1 (1) X$NUCLEO-NFC07A1 schematic diagrams X$NUCLEO-NFC07A1 bill of materials

1. This code identifies the X-NUCLEO-NFC07A1 evaluation board first version.

UM2960

Board versions

UM2960 - Rev 2 page 9/15

6Regulatory compliance information

Formal Notice Required by the U.S. Federal Communications Commission

FCC NOTICE

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 this chapter, 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 3.1.2.

Formal Product Notice Required by Industry Canada Innovation, Science and Economic Development

Canada compliance:

For evaluation purposes only. This kit generates, uses, and can radiate radio frequency energy and has not been

tested for compliance with the limits of computing devices pursuant to Industry Canada (IC) rules.

À des fins d'évaluation uniquement. Ce kit génère, utilise et peut émettre de l'énergie radiofréquence et n'a pas

été testé pour sa conformité aux limites des appareils informatiques conformément aux règles d'Industrie Canada

(IC).

Formal product notice required by EU

The X-NUCLEO-NFC07A1 board is in conformity with the essential requirements of the Directive 2014/53/EU

(RED) and of the Directive 2015/863/EU (RoHS). Harmonized standards applied are listed in the EU Declaration

of Conformity.

UM2960

Regulatory compliance information

UM2960 - Rev 2 page 10/15

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