ST X-NUCLEO-IDB04A1 Manuale utente



UM1765

User

manual

Bluetooth low energy expansion

board

based on BlueNRG for STM32

Nucleo



Introduction



This document provides detailed hardware requirementsand board connectionsfor the X-

NUCLEO-IDB04A1 Bluetooth

low energy (BLE) evaluation board based on BlueNRG for

STM32 Nucleo. This board is part of STMicroelectronics’offering of evaluation boards

designed around the BlueNRG Bluetooth low energy wireless network processor.



The excellent performance of BlueNRG and the best matching between BlueNRG and

BALF-NRG, X-NUCLEO-IDB04A1passed the RF TEST for Japan Radio Law certification

with higher margin above the specification values as well as it is FCC certified (FCC ID:

S9NIDB04A1).



Figure 1. X-NUCLEO-IDB04A1evaluation board



Other BlueNRG evaluation boards are available in the following kits:

STEVAL-IDB002V1:BlueNRG development platform

STEVAL-IDB003V1:BlueNRG USB dongle

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April 2015 DocID026346 Rev 4 1/15

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www.st.com

Contents UM1765



Contents



1 Board Description and Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.1 Hardware requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4



2 Hardware description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.1 X-NUCLEO-IDB04A1board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.1.1 Current measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6



3 Formal Notices Required by the U.S. Federal

Communications Commission (“FCC”) . . . . . . . . . . . . . . . . . . . . . . . . . 7



4 Operational description and block diagram . . . . . . . . . . . . . . . . . . . . . . 8



5 List of acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9



6 Board schematic and bill of material . . . . . . . . . . . . . . . . . . . . . . . . . . . 10



7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

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2/15 DocID026346 Rev 4

UM1765 Getting sta

ted



1 Board Description and Getting started

TheX‐NUCLEO‐IDB04A1isaBluetoothlowenergyevaluationboardtoallowexpansionofthe

STM32Nucleoboards.ItiscompatiblewiththeArduinoUNOR3connectorlayout,andisdesigned

aroundBlueNRG,aBluetoothlowenergy,lowpowernetworkcoprocessorcompliantwithBTLE

4.0andtheBALF‐NRG‐01D3,anultra‐miniaturebalunoptimizedforSTBlueNRGRFIC,which

integratesmatchingnetworkandharmonicsfilter.TheX‐NUCLEO‐IDB04A1interfaceswiththe

STM32MCUviaSPIpin,andtheusercanchangethedefaultSPIclock,theSPIchipselectandSPI

IRQbychangingoneresistorontheevaluationboard.TheexcellentperformanceofBlueNRGand

thebestmatchingbetweenBlueNRGandBALF‐NRG,X‐NUCLEO‐IDB04A1passedtheRFTESTfor

JapanRadioLawcertificationwithhighermarginabovethespecificationvaluesaswellasitisFCC

certified(FCCID:S9NIDB04A1).



Key features:

BlueNRGlowpower,lowenergyBluetoothnetworkcoprocessor

BALF‐NRG‐01D3balun&harmonicfilter

FreecomprehensivedevelopmentfirmwarelibraryandexampleforBlueNRG,

compatiblewithSTM32Cubefirmware

Bluetoothlowenergy4.0masterandslavecompliant

CompatiblewithSTM32Nucleoboards

EquippedwithArduinoUNOR3connector

Verylowpowerconsumption:7.3mARXand8.3mATXat+0dBm

Maximumtransmissionpower:+8dBm

Excellentreceiversensitivity(‐88dBm)

X‐NUCLEO‐IDB04A1isofficiallycertificatedasaBTLE5mWmoduleforJapanRadio

Law“TYPE”CertificationbyJapangovernment.

X‐NUCLEO‐IDB04A1isFCCcertified(FCCID:S9NIDB04A1)

RoHScompliant

Figure 1 - Functional Block Diagram

This section describes the hardware requirements for the X-NUCLEO-IDB04A1evaluation

board.

UM1765 Getting sta

ted



1.1 Hardware requirements

The

X-NUCLEO-IDB04A1

is an expansionboard for use with STM32Nucleo boards (please

refer to UM1724 on www.st.comfor further information). To function correctly, the STM32

Nucleo board must be connected to the X-NUCLEO-IDB04A1board as shown in Figure 2

below.

Figure 2. X-NUCLEO-IDB04A1plugged to STM32 Nucleo

board



The interconnectionbetween the STM32 Nucleo and the X-NUCLEO-IDB04A1has been

designed to permit the use of any STM32 Nucleo board, although the optimal combination is

obtained using the NUCLEO-L152RE or NUCLEO-L053R8hosting the ultra-low power

STM32.

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DocID026346 Rev 4 3/15

Getting sta

ted UM1765



1.2 System requirements

Using the Nucleo boards with the X-NUCLEO-IDB04A1expansion board requires the

following software and hardware:

a Windows PC (XP, Vista, 7, 8) to install the software package

a USB type A to Mini-B USB cable to connect the Nucleo to the PC

Installation of the board firmware package (order code: X-CUBE-BLE1)and the BlueNRG

graphical user interface utility on the user’s PC requires the following:

At least 128 MB of RAM

40 MB of hard disk space available

The X-CUBE-BLE1 firmware and related documentation is available on www.st.com.



4/15 DocID026346 Rev 4

UM1765 Ha

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

2 Hardware description



This section describes the X-NUCLEO-IDB04A1features and provides information which

could be useful for understandingthe board schematics.



2.1 X-NUCLEO-IDB04A1board

The board allows the user to test the functionality of the BlueNRG processor. It hosts the

innovative BALF-NRG-01D3balun & harmonic filter and its functionality can be exploited

using the firmware package contained in the X-CUBE-BLE1. It is fundamentalto program

the microcontrolleron the STM32 Nucleo board. Please refer to user manuals UM1724 and

UM1725, available on www.st.com.

The BlueNRG processor and the STM32 Nucleo board are connected through connectors

CN5, CN6, CN8 and CN9 (see Table 1 for details). The pins indicated with an asterisk (*)

represent an alternative pin for that specific function, i.e. SPI_IRQ could be moved from

CN8.1 to CN5.2.



Table 1. Interconnectionbetween STM32 Nucleo board and X-NUCLEO-IDB04A1





NC

IOREF

RESET

3V3

5V

GND

VIN



A0

A1

A2

A3

A4

A5



Left

connectors







3V3



GND



SPI_IRQ

SPI_CSN*





D15

D14

AREF

GND

D13

D12

D11

D10

D9

D8

D7

D6

D5

D4

D3

D2

D1

D0

Right

connectors

CN5

digital

CN9

digital

10 9 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1



GND

SPI_CLK*

SPI_MISO

SPI_MOSI



SPI_IRQ*

SPI_MCSN

BNRG_RST



SPI_CLK





To change the default pin SPI_CLK, SPI_IRQ and SPI_CSN the user must disassemble,

respectively,R10,R12 and R15, and assemble R11, R16 and R13.



DocID026346 Rev 4 5/15

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

The board also includes:

– a high frequency 16 MHz crystal

– a low frequency 32 kHz crystal for lowest power consumption

– a BALF-NRG-01D3balun & harmonic filter

– an EEPROM M95640-RMN6Pto store the board parameters

Not mounted:

– a JTAG connector to program the BlueNRG processor

– an SMA connector for the external antenna

2.1.1 Current measurements

To monitor the power consumption of entire BlueNRG X-NUCLEO-IDB04A1board, jumper

U5 can be used, inserting an ammeter probe between pins 1 and 2 of the connector. Since

the power consumption of BlueNRG during most of its operating time is very low, an

accurate instrument in the range of few uA may be required.



6/15 DocID026346 Rev 4

UM1765 Fo

mal Notices Requi

ed by the U.S. Fede

al Communications Commission (“FCC”)



3 Formal Notices Required by the U.S. Federal

Communications Commission (“FCC”)



Any changes or modifications to this equipment not expressly approved by

STMicroelectronicsmay cause harmful interference and void the user’s authority to operate

this equipment.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following

two conditions: (1) this device may not cause harmful interference, and (2) this device must

accept any interference received, including any interference that may cause undesired

operation.

This device uses, generates and radiated radio frequency energy. The radio frequency

energy produced by this device is well below the maximum exposure allows by Federal

CommunicationsCommission (FCC).

The X-NUCLEO-IDB04A1is FCC certified (FCC ID: S9NIDB04A1).

This equipment has been tested and found to comply with the limits for a Class B digital

device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide

reasonable protection against harmful interference in a residential installation. This

equipment generates, uses and can radiate radio frequency energy and, if not installed

and used in accordance with the instructions, may cause harmful interference to radio

communications. However, there is no guarantee that interference will not occur in a

particular installation. If this equipment does cause harmful interference to radio or

television reception, which can be determined by turning the equipment off and on, the

user is encouraged to try to correct the interference by one or more of the following

measures:

-- Reorient or relocate the receiving antenna.

-- Increase the separation between the equipment and receiver.

-- Connect the equipment into an outlet on a circuit different from that to which the

receiver is connected.

-- Consult the dealer or an experienced radio/TV technician for help.



Revision histo

yUM1765



7 Revision history



Table 5. Document revision history



Date

Revision

Changes

16-May-2014

Initial release.

21-Jan-2015 

Modified:

- Table 3 and Table 4.



19-Feb-2015



Modified:

- order code from STSW-IDB04V1to X-CUBE-BLE1

Section 1.2 and Section 2.1.

13-Apr-2015 

Updated:

- Part number item 27 Table 4.

22-Apr-2015 

FCC



14/15 DocID026346 Rev 4

UM1765



IMPORTANT NOTICE – PLEASE READ

CAREFULLY



STMicroelectronicsNV and its subsidiaries(“ST”) reserve the right to make changes,corrections,enhancements, modifications, and

improvementsto ST products and/orto this documentat any time without notice. Purchasersshould obtain the latest relevant informationon

ST products before placing orders.ST products are sold pursuantto ST’s terms and conditions of sale in place at the time of order

acknowledgement.



Purchasersare solely responsiblefor the choice,selection, and use of ST productsand ST assumes no liability for application assistanceor

the design of Purchasers’ products.



No license, express or implied, to any intellectualpropertyright is granted by ST herein.



Resale of ST products with provisions different from the information set forth herein shall void anywarrantygranted by ST for such product.

ST and the ST logo are trademarksof ST. All other product or servicenames are the property of their respectiveowners.

Informationin this document supersedesand replaces information previously supplied in any prior versions of this document.



reserved



DocID026346 Rev 4 15/15

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