ST X-NUCLEO-IDB04A1 Manuale utente

February 2015 DocID026346 Rev 3 1/13

UM1765

User manual

X-NUCLEO-IDB04A1 Bluetooth low energy expansion board

based on BlueNRG for STM32 Nucleo

Introduction

This document provides detailed hardware requirements and board connections for 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.

Figure 1. X-NUCLEO-IDB04A1 evaluation board

Other BlueNRG evaluation boards are available in the following kits:

•STEVAL-IDB002V1: BlueNRG development platform

•STEVAL-IDB003V1: BlueNRG USB dongle

www.st.com

Contents UM1765

2/13 DocID026346 Rev 3

Contents

1 Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

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

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

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

2.1 X-NUCLEO-IDB04A1 board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

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

3 List of acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4 Board schematic and bill of material . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

DocID026346 Rev 3 3/13

UM1765 Getting started

1 Getting started

This section describes the hardware requirements for the X-NUCLEO-IDB04A1 evaluation

board.

1.1 Hardware requirements

The X-NUCLEO-IDB04A1 is an expansion board for use with STM32 Nucleo boards (please

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

Nucleo board must be connected to the X-NUCLEO-IDB04A1 board as shown in Figure 2

below.

Figure 2. X-NUCLEO-IDB04A1 connected to STM32 Nucleo board

The interconnection between the STM32 Nucleo and the X-NUCLEO-IDB04A1 has been

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

obtained using the NUCLEO-L152RE or NUCLEO-L053R8 hosting the ultra-low power

STM32.

Getting started UM1765

4/13 DocID026346 Rev 3

1.2 System requirements

Using the Nucleo boards with the X-NUCLEO-IDB04A1 expansion 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 st.com.

DocID026346 Rev 3 5/13

UM1765 Hardware description

2 Hardware description

This section describes the X-NUCLEO-IDB04A1 features and provides information which

could be useful for understanding the board schematics.

2.1 X-NUCLEO-IDB04A1 board

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

innovative BALF-NRG-01D3 balun & harmonic filter and its functionality can be exploited

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

the microcontroller on 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.

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

R10 and R12, and assemble R11 and R16.

Table 1. Interconnection between STM32 Nucleo board and X-NUCLEO-IDB04A1

IOREF

RESET

3V3

GND

VIN

Left connectors

12345678 123456

3V3

GND

SPI_IRQ

SPI_CSN

D15

D14

AREF

GND

D13

D12

D11

D10

Right connectors

CN5 digital CN9 digital

1098765432187654321

GND

SPI_CLK*

SPI_MISO

SPI_MOSI

SPI_IRQ*

SPI_MCSN

BNRG_RST

SPI_CLK

Hardware description UM1765

6/13 DocID026346 Rev 3

The board also includes:

– a high frequency 16 MHz crystal

– a low frequency 32 kHz crystal for lowest power consumption

– a BALF-NRG-01D3 balun & harmonic filter

– an EEPROM M95640 to 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-IDB04A1 board, 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 microamps may be required.

DocID026346 Rev 3 7/13

UM1765 List of acronyms

3 List of acronyms

Table 2. List of acronyms used in the document

Term Meaning

BLE Bluetooth low energy

USB Universal serial bus

Board schematic and bill of material UM1765

8/13 DocID026346 Rev 3

4 Board schematic and bill of material

Table 3. Bill of materials (part 1)

Item Quantity Reference Part Note

1 4 C1, C17, C20, C22 1u_0402_X5R VBAT & SMPS OUT filter cap

2 6 C2, C16, C18, C19, C21, C23 100n_0402_X7R VBAT filtering

3 2 C3, C15 100p_0402_C0G VBAT filtering

4 1 C4 150n_0402_X5R VREG filtering

5 2 C5, C6 22p_0402_C0G 32 kHz XTAL load cap

6 1 C27 56p_0402_C0G TX/RX balun cap

7 1 C24 56p_0402_C0G TX/RX bypass cap

8 1 C25 TBD_0402_COG Tuning cap

9 1 C26 TBD_0402_COG Tuning cap

10 1 L4 TBD_0402 Tuning cap

11 2 C13, C14 15p_0402_C0G 16 MHz XTAL load cap

12 1 D1 Soldered between pins 1

and 2 SMPS out inductor

13 1 JP1 HEADER 1X3 Male strip 1X3, 100 mils

14 1 J1 THR 1.27 mm 2x5 pins Test connector

15 1 J2 RF_IN/OUT UFL jack assembly, End Launch

16 1 U4 BALF-NRG-01D3 Integrated balun for BlueNRG

QFN32

17 1 CN5 Extra-long 10 pins

female-male strip Female side mounted to the top

18 2 CN6, CN9 Extra-long 8 pins female-

male strip Female side mounted to the top

19 CN8 Extra-long 6 pins female-

male strip Female side mounted to the top

20 1 Q1 XTAL XTAL

(1)

1 Q2 XTAL XTAL

DocID026346 Rev 3 9/13

UM1765 Board schematic and bill of material

22 5 R1, R3, R4, R5, R6 Connect to V

, pull-down

23 1 R2 10k_0402 Connect to ground

24 2 R7, R9 100k_0402 Pull-up and pull-down

25 4 R10, R12, R14, R15 0_0402 jumper-resistor

26 3 R11, R13, R16 0_0402 jumper-resistor

27 1 U1 BlueNRG RF IC

28 1 U5 HEADER 1X2 Male strip 1X2, 100 mils

27 1 U3 EEPROM Memory

28 3 TEST8, TEST11,TEST12 Test point Test point

1. First release of the board mount 16MHz X'tal, however ST suggests to use 32MHz to exploit at best all the functionalities of

BlueNRG.

Table 3. Bill of materials (part 1) (continued)

Item Quantity Reference Part Note

Table 4. Bill of materials (part 2)

Item Package Manufacturer Manufacturer’s ordering code /

orderable part number +8 dBm

1 SM/C_0402 Murata GRM155R61A105KE15 1 uF

2 SM/C_0402 Murata GRM155R71C104KA88 100 nF

3 SM/C_0402 Murata GRM1555C1H101JZ01 100 pF

4 SM/C_0402 Murata GRM155R61A154KE19 150 nF

5 SM/C_0402 Murata GRM1555C1H220JZ01 22 pF

6 SM/C_0402 Murata GRM1555C1H560JA01 56 pF

7 SM/C_0402 Murata NE

8 SM/C_0402 Murata GRM1555C1H120JZ01 1.2 pF

9 SM/C_0402 NE

10 SM/C_0402 Murata GRM1555C1H180JZ01 1.8 pF

11 SM/C_0402 Murata GRM1555C1H150JZ01 15 pF

12 SM/L_0805 Murata LQM21FN100M70L 10 uH

13 WALCON.100/VH/TM2

OE/W.325/10/MOD

Board schematic and bill of material UM1765

10/13 DocID026346 Rev 3

14 SAMTEC FTSH-105-01-F-D-K NE

15 SMT Hirose U.FL-R-SMT-1(10) Digikey

H11891CT-ND NE

16 STMicroelectronics BALF-NRG-01D3

17 2.54 mm pitch 4UCON 18688

18 2.54 mm pitch 4UCON 18688

19 2.54 mm pitch 4UCON 18688

20 NX3215SA NDK NX3215SA-32.768kHz-EXS00A-

MU00003 32.768 kHz

(1)

XTAL_32_25_REV2 NDK NX3225SA -16.000MHz-EXS00A-

CS05997 16 MHz

22 SM/R_0402 Tyco Electronics NE

23 SM/R_0402 Tyco Electronics 10 k

24 SM/R_0402 Tyco Electronics 100 k

25 SM/R_0402 Tyco Electronics 0 Ohm

26 SM/R_0402 Tyco Electronics NE

27 QFN32 STMicroelectronics

28 WALCON.100/VH/TM2

OE/W.325/10/MOD

27 SO8N STMicroelectronics M95640-RMN6

28 TP NE

1. First release of the board mount 16MHz X'tal, however ST suggests to use 32MHz to exploit at best all the functionalities of

BlueNRG.

Table 4. Bill of materials (part 2) (continued)

Item Package Manufacturer Manufacturer’s ordering code /

orderable part number +8 dBm

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