ST X-NUCLEO-IDS01A4 User manual

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June 2015 DocID027622 Rev 2 1/21
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UM1872
User manual
Getting started with the Sub-1 GHz expansion board based on
SPSGRF-868 and SPSGRF-915 modules for STM32 Nucleo
Introduction
The X-NUCLEO-IDS01A4 and X-NUCLEO-IDS01A5 are evaluation boards intended to
provide a platform for testing the features and capabilities of the SPSGRF modules, based
on the SPIRIT1 low data rate, low power sub-1 GHz transceiver device.
These expansion boards can be plugged into the Arduino UNO R3 connectors of any
STM32 Nucleo board. The user can mount ST Morpho connectors if required. Other
expansion boards can easily be stacked to allow evaluation of different devices using sub-1
GHz communication.
The boards are equipped with the following features:
•On-board SPSGRF module based on the SPIRIT1 sub-1 GHz transceiver device
•SPI EEPROM for saving parameters
•LED for user interface
•Jumper at 3V3 for checking the current consumption of the expansion board
Figure 1. Sub-1 GHz expansion board based on SPSGRF module for STM32
www.st.com

Contents UM1872
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Contents
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Typical applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Hardware requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Setting up the board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Hardware description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1 Interconnection details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.2 SPI and GPIO connection options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.3 Current measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.4 X-NUCLEO-IDS01Ax component placement details . . . . . . . . . . . . . . . . . 9
4 Component description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.1 SPSGRF-868 / SPSGRF-915 module . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
4.2 SPI EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
5 Formal Notices Required by the U.S. Federal
Communications Commission (“FCC”) . . . . . . . . . . . . . . . . . . . . . . . . 12
6 Formal Notices Required by the Industry Canada (“IC”) . . . . . . . . . . 13
7 Hardware schematic diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
8 Bill of material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

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UM1872 Description
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1 Description
The X-NUCLEO-IDS01A4 and X-NUCLEO-IDS01A5 boards contain the module SPSGRF-
868 or SPSGRF-915 based on SPIRIT1 low data rate, low power sub-1 GHz transceiver.
The PCB layout is the same for both boards, with the only difference being the module used
with it.
Identification of the RF communication frequency can be easily performed using the
identification resistors (R14 or R15) mounted on the PCBs. Only 1 of the two resistors is
mounted on the board to ensure quick identification. This information is also available in the
PCB silk screen.
Note that R14 and R15 are for identification purposes only, and changing these resistors
does not change the RF frequency of the SPIRIT1 device.
For information common to both boards, the nomenclature “X-NUCLEO-IDS01Ax” is used
hereafter in this document.
1.1 Typical applications
The evaluation boards can be used for evaluation of the SPIRIT1 device in multiple
applications.
The following demo examples are available for testing with the evaluation boards
•wM-Bus: Wireless Metering Bus demo
•Point-to-point communication protocol demo
Please refer to the data brief for the firmware, available on www.st.com.
Users can develop other applications for evaluating the devices. Some of these applications
are:
•Automatic meter reading
•Home and building automation
•WSN (wireless sensor network)
Table 1. Expansion board details
Evaluation board
RF
communication
frequency
Identification
resistors Module used Description
X-NUCLEO-IDS01A4 868 MHz R14 mounted SPSGRF-868
868 MHz RF expansion
board based on ETSI
certified module
SPSGRF-868 for
STM32 Nucleo
X-NUCLEO-IDS01A5 915 MHz R15 mounted SPSGRF-915
915 MHz RF expansion
board based on FCC
and IC certified module
SPSGRF-915 for
STM32 Nucleo

Description UM1872
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•Industrial monitoring and control
•Wireless fire and security alarm systems
1.2 Abbreviations
Table 2. Abbreviation
Term Meaning
AMR Automatic meter reading
EEPROM Electrically erasable programmable read only memory
GHz Giga Hertz
GUI Graphical user interface
LED Light emitting diode
MCU Microcontroller unit
P2P Point-to-point communication
RF Radio frequency communication
SPI Serial peripheral interface
USB Universal serial bus
wM-Bus Wireless metering bus
WSN Wireless sensors network

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UM1872 Getting started
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2 Getting started
This section describes the hardware requirements for the X-NUCLEO-IDS01Ax evaluation
boards.
2.1 Hardware requirements
The X-NUCLEO-IDS01Ax is an expansion board for use with the STM32 Nucleo. To
function correctly, the X-NUCLEO-IDS01Ax must be connected to the STM32 Nucleo board
as shown in Figure 2 below.
The STM32 Nucleo firmware and related documentation is available on www.st.com at
http://www.st.com/stm32nucleo
Figure 2. X-NUCLEO-IDS01Ax plugged to STM32 Nucleo board
The interconnection between the STM32 Nucleo and the X-NUCLEO-IDS01Ax has been
designed to permit the use of any STM32 Nucleo board, although complete testing has
been performed using the NUCLEO-L053R8 and NUCLEO-F401RE hosting the ultra-low
power STM32.

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2.2 System requirements
Using the Nucleo boards with the X-NUCLEO-IDS01Ax expansion board requires the
following software and hardware:
•Windows PC (XP, Vista, 7, 8) to install the firmware package
•USB type A to Mini-B USB cable to connect the Nucleo board to the PC
Installation of the board firmware package and the wM-Bus graphical user interface utility on
the user's PC requires the following:
•128 MB of RAM
•Approximately 40 MB of hard disk space for the firmware
•Approximately 15 MB of hard disk space for the wM-Bus GUI
The use of the wM-Bus concentrator with the GUI requires additional boards to be
connected to the PC. The GUI can be used to check the wM-Bus communication example.
The Nucleo board acts as a meter and the STEVAL-IKR001Vx board connected to the PC
acts as a concentrator. Please note that the wM-Bus example is valid only for X-NUCLEO-
IDS01A4 (868 MHz version).
2.3 Setting up the board
Perform the following steps to set up the board:
1. Check that the jumper on the J1 connector is connected. This jumper provides the
required voltage to the devices on the board
2. Connect the X-NUCLEO-IDS01Ax to the Nucleo board from the top, as shown in
Figure 2.
3. Power the Nucleo board using the Mini-B USB cable
4. Program the firmware in the STM32 on the Nucleo board using the firmware example
provided
5. Reset the MCU board using the reset button on the Nucleo board
6. The evaluation kit is ready for use

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UM1872 Hardware description
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3 Hardware description
This section describes the X-NUCLEO-IDS01Ax features and provides information which
could be useful to understand the board schematics.
3.1 Interconnection details
The table below explains the connection details of the X-NUCLEO-IDS01Ax board with the
NUCLEO-L053R8 board.
Table 3. Left connector connection details
Signal
name
NC
IOREF
RESET
3V3
5V
GND GND
VIN
A0 A1 A2 A3 A4 A5
Left connector
Connector
name
CN6 Power CN8 Analog
Pin#
1 2 3 4 5 6 7 8 1 2 3 4 5 6
NUCLEO-
L053R8
(MCU port)
PA0 PA1 PA4
PB0
PC1/ PB9 PC0/ PB8
NUCLEO-L053R8
MCU signals
ADC_IN0 ADC_IN1 ADC_IN4 ADC_IN8
ADC_IN11 (PC1) or
I2C1_SDA (PB9)
ADC_IN10(PC0) or
I2C1_SCL (PB8)
X-NUCLEO-IDS01Ax
Expansion board signals
3V3
GND GND
SPIRIT1_GPIO3 (Opt)
SPIRIT1_CSn (Opt)
SPIRIT1_GPIO2 (Opt) SPIRIT1_GPIO1 (Opt) SPIRIT1_GPIO0 (Opt)

Hardware description UM1872
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Note: Opt = Optional connection
3.2 SPI and GPIO connection options
Table 5 shows the SPI and GPIO connection options between the STM32 and SPIRIT1
hosted on the SPSGRF module. These can be used to enable different configurations in
cases where a signal conflict occurs when using with other expansion board.
Table 4. Right connector connection details
Signal
name
D15 D14
AREF
GND
D13 D12
D11
D10
D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Right connector
Connector
name
CN5 Digital CN9 Digital
Pin#
10 9 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1
NUCLEO-L053R8
MCU port
PB8 PB9
PA5 PA6 PA7
PB6
PC7
PA9 PA8
PB10
PB4 PB5 PB3
PA10
PA2 PA3
NUCLEO-L053R8
MCU signals
I2C1_SCL
I2C1_SDA
AVDD
Ground
SPI1_SCK
SPI1_MISO
TIM22_CH2
SPI1_CS
TIM22_CH2
TIM2_CH3
TIM22_CH1
TIM2_CH2_SCK
USART2_TX
USART2_RX
X-NUCLEO-IDS01Ax
Expansion boards
signals
GND
CLK (Opt)
MISO (SPIRIT1)
MOSI(SPIRIT1)
SPIRIT1_CSn
SPIRIT1_GPIO3
EEPROM_nS
LED1
CLK SDn

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In addition, to use the additional connections to the SPIRIT1 module and to use the on-
board EEPROM, use the options in Table 6.
Please refer to the schematics for details.
To use the optional connections, modify the firmware based on the STM32 resources used.
3.3 Current measurement
To monitor the power consumption of the entire SPIRIT1 X-NUCLEO-IDS01Ax board,
jumper J1 can be used. Connect an ammeter probe between pins 1 and 2 of the connector
for measurements.
3.4 X-NUCLEO-IDS01Ax component placement details
Figure 3 shows the component placement on the SPIRIT1 expansion X-NUCLEO-IDS01Ax
board.
Table 5. SPIRIT1 interface (optional) with Nucleo board
SPIRIT1 signal SPSGRF pin Default STM32
port Optional STM32 port
GPIO3 1 - SP1_GPIO3 PC7
PA0
To use optional connection mount R6,
demount R1
CSn 10 - SPI_CS PB6
PA1
To use optional connection mount R5,
demount R2
SCLK 7 - SPI_CLK PB3
PA5
To use optional connection
mount R7,
demount R4
Table 6. SPIRIT1 interface with Nucleo board (additional connections)
Signal Default connection Optional STM32 connection
SPIRIT1 GPIO2
(SPSGRF pin 2) Not connected PA4
To use optional connection mount R8
SPIRIT1 GPIO1
(SPSGRF pin 3) Not connected PB0
To use optional connection mount R9
SPIRIT1 GPIO0
(SPSGRF pin 4) Not connected PC1
To use optional connection mount R10
EEPROM nS Not connected PB10
To use EEPROM, mount R3