STMicroelectronics X-NUCLEO-IDW01M1 User Manual
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User manual
Getting started with X-NUCLEO-IDW01M1 Wi-Fi expansion board based on SPWF01SA module for STM32 Nucleo
Introduction
This document provides detailed hardware requirements and board connections for the X-NUCLEO-
IDW01M1 Wi-Fi board based on SPWF01SA Serial-to-Wi-Fi Modules, to allow expansion of the STM32
Nucleo boards. The SPWF01SA module is FCC (FCC ID: VRA-SG9011203), IC certified (IC: 7420A-
SG9011203) and CE certified and includes an STM32 MCU, a low-power 2.4 GHz IEEE 802.11 b/g/n transceiver with integrated power amplifier and power management, and an SMD antenna.
The X-NUCLEO-IDW01M1 can be plugged onto STM32 Nucleo boards thanks to the ST morpho and
Arduino™ UNO R3 connectors, and the same connectors allow different expansion boards to be easily stacked on the X-NUCLEO-IDW01M1 board so you can evaluate Wi-Fi connectivity with different devices in several applications.
The expansion board has the following features:
Onboard SPWF01SA module (order code: SPWF01SA.11) based on the STM32 MCU and a low power Wi-Fi b/g/n transceiver SoC
USART configurable connections
Jumpers to obtain the SPWF01SA module RESET and I/O board signals (user software dependent)
November 2015 DocID028608 Rev 1 1/20
www.st.com
Getting Started
Figure 1: X-NUCLEO-IDW01M1 Wi-Fi expansion board based on SPWF01SA module
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Contents
Contents
1 Getting Started ................................................................................ 6
Hardware requirements ..................................................................... 6
System requirements ........................................................................ 7
Setting up the board .......................................................................... 7
2 Hardware description ...................................................................... 8
X-NUCLEO-IDW01M1 expansion board for STM32 Nucleo ............. 8
UART and GPIO connection options ............................................... 10
Current measurement ..................................................................... 12
X-NUCLEO-IDW01M1 component placement details ..................... 12
3 Component descriptions .............................................................. 13
SPWF01SA module ........................................................................ 13
User push-buttons and LED ............................................................ 13
Radio certification ............................................................................ 14
Formal notices required by the U.S. Federal Communications
Formal notices required by Industry Canada (IC) ............................ 14
Formal notices required by the ETSI (CE) ....................................... 14
4 Board schematic and bill of materials ......................................... 15
STM32 Nucleo connections ............................................................ 15
Schematic diagram ......................................................................... 18
Revision history ............................................................................... 19
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List of tables
List of tables
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Table 3: Interconnection between STM32 Nucleo board and X-NUCLEO-IDW01M1 (Arduino UNO R3
Table 4: Interconnection between STM32 Nucleo board and X-NUCLEO-IDW01M1 (Arduino UNO R3
Table 5: Interconnection between STM32 Nucleo board and X-NUCLEO-IDW01M1 through (Arduino
Table 6: Interconnection between STM32 Nucleo board and X-NUCLEO-IDW01M1 through (Arduino
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List of figures
List of figures
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Getting Started
1
1.1
Getting Started
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This section describes the hardware requirements for the X-NUCLEO-IDW01M1 expansion board.
Hardware requirements
The X-NUCLEO-IDW01M1 is an expansion board for the STM32 Nucleo boards. To function correctly, the X-NUCLEO-IDW01M1 must be plugged to the STM32 Nucleo board through the ST morpho or ARDUINO UNO R3 connectors as shown in the figure below.
Information on STM32 Nucleo is available on ST website at
http://www.st.com/stm32nucleo
Figure 2: X-NUCLEO-IDW01M1 plugged with STM32 Nucleo board
The interconnection between the STM32 Nucleo board and the X-NUCLEO-IDW01M1 is designed to work with any STM32 Nucleo board, even though complete testing was focused on the NUCLEO-L053R8 hosting the ultra-low power STM32L053R8T6, the
NUCLEO-F401RE hosting the dynamic efficiency STM32F401RET6 and the NUCLEO-
F103RB hosting the Mainstream Performance line STM32F103RBT6.
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1.3
1.4
Getting Started
System requirements
Using the STM32 Nucleo boards with the X-NUCLEO-IDW01M1 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 STM32 Nucleo board to the PC
Installation of the board firmware package (order code: X-CUBE-WIFI1) and the Wi-Fi graphical user interface utility on the user PC requires the following:
128 MB of RAM
40 MB of hard disk space
The X-CUBE-WIFI1 firmware and relative documentation are available on www.st.com
Setting up the board
To set up the board:
1. Ensure that a jumper on the JP3 (position 1-2) connector is connected. This jumper provides the RESET signal to the SPWF01SA module on the board.
2. Ensure that a jumper on the JP4 (position 1-2) connector is connected. This jumper provides the 2.5 V internal power supply to the GPIO6_ADC0 module signal.
3.
Plug the X-NUCLEO-IDW01M1 on the STM32 Nucleo board, as shown in
"X-NUCLEO-IDW01M1 plugged with STM32 Nucleo board"
4. Power the STM32 Nucleo board through the Mini-B USB cable
5. Program the STM32 Nucleo board using the sample firmware provided
6. Reset the STM32 Nucleo board MCU with the onboard Reset button
7. The solution is ready to be used to evaluate Wi-Fi connectivity
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Hardware description
2
2.1
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Hardware description
This section describes the X-NUCLEO-IDW01M1 features and provides useful information for understanding the board schematics.
X-NUCLEO-IDW01M1 expansion board for STM32 Nucleo
The expansion board allows the user to test the functionality of the module. The
SPWF01SA module embeds a low power Wi-Fi b/g/n transceiver SoC, SMD antenna and
STM32 MCU.
Board functionality can be manipulated through the firmware packaged with the X-CUBE-
WIFI1 software, which must be programmed on the STM32 Nucleo board microcontroller.
Please, refer to user manuals UM1724 and UM1725 available on
www.st.com
for further information on STM32 Nucleo boards.
The SPWF01SA module and the STM32 Nucleo board are connected through connectors
Table 1: "Interconnection between STM32 Nucleo board and X-NUCLEO-
IDW01M1 (ST morpho connector - CN7)"
Table 2: "Interconnection between
STM32 Nucleo board and X-NUCLEO-IDW01M1 (ST morpho connector - CN10)"
Moreover, considering that signals available on CN5, CN6, CN8 and CN9 are also replicated on CN7 even and CN10 odd pin, it useful to indicate the indirect connection
between STM32 Nucleo board and X-NUCLEO-IDW01M1 (see tables from
"Interconnection between STM32 Nucleo board and X-NUCLEO-IDW01M1 (Arduino UNO
11
13
15
17
19
21
23
7
9
3
5
Pin
1
Pins marked with an asterisk (*) indicate an alternative pin for that specific function and pins marked with a hash (#) indicate a specific function reserved for future use and, not yet implemented on the module SPWF01SA.
Table 1: Interconnection between STM32 Nucleo board and X-NUCLEO-IDW01M1 (ST morpho connector - CN7)
CN7 odd CN7 even
Name Fcn Fcn Name
PC12
VDD
PA14
GND
PB7
WIFI_RST
GPIO13
USART_RX*
GPIO10 PD2
E5V
GND
IOREF
RESET
+3V3
+5V
GND
GND
VIN
12
14
16
18
20
22
24
Pin
2
4
6
8
10
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13
15
17
19
21
23
25
27
29
31
33
Pin
1
3
5
7
9
11
Hardware description
CN7 odd
25
27
29
31
33 VBAT
CN7 even
USART_CTS*
USART_RTS*
PA0
PA1
26
28
30
32
34
35 36
37 38
Table 2: Interconnection between STM32 Nucleo board and X-NUCLEO-IDW01M1 (ST morpho connector - CN10)
CN10 odd CN10 even
Name Fcn Fcn
GPIO6
Name
PC8
PB8
PB9
AVDD
GND
PB6
PA9
PA10
I2C_SCL#
I2C_SDA#
USART_TX*
USART_TX
USART_RX
USART_RX*
USART_RTS
USART_CTS
SPI_CS#
SPI_MOSI#
SPI_MISO#
SPI_CLK#
USART_TX*
PC5
U5V
PA12
PA11
PB12
GND
PB15
PB14
PB13
AGND
PC4
14
16
18
20
22
24
26
28
30
32
34
Pin
2
4
6
8
10
12
35 PA2 USART_TX* 36
37 PA3 USART_RX* 38
Table 3: Interconnection between STM32 Nucleo board and X-NUCLEO-IDW01M1 (Arduino
UNO R3 Connector CN6 - Power)
Signal Name NC IOREF RESET 3V3 5V GND GND VIN
Pin
MCU Name
Fcn
1 2 3 4
3V3
5 6
GND
7
GND
8
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Hardware description
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Table 4: Interconnection between STM32 Nucleo board and X-NUCLEO-IDW01M1 (Arduino
UNO R3 Connector CN8 - Analog)
Signal
Name
A0 A1 A2 A3 A4 A5
Pin 1
MCU Name PA0
2
PA1
3
PA4
4 5 6
PB0 PC1/ PB9 PC0/ PB8
Fcn USART_CTS* USART_RTS* GPIO13*
Table 5: Interconnection between STM32 Nucleo board and X-NUCLEO-IDW01M1 through
(Arduino UNO R3 Connector CN5 - Digital)
Signal
Name
D15 D14 AREF GND D13 D12 D11 D10 D9 D8
Pin 10 9
MCU Name PB8 PB9
8 7 6
PA5
5 4 3
PA6 PA7 PB6
2 1
PC7 PA9
Fcn
I2C_
SCL#
I2C_
SDA#
GND
UART_
TX*
UART_
TX
Table 6: Interconnection between STM32 Nucleo board and X-NUCLEO-IDW01M1 through
(Arduino UNO R3 Connectors CN9 - Digital)
Signal
Name
D7 D6 D5 D4 D3 D2 D1 D0
Pin 8
MCU Name PA8
Fcn
7 6 5 4 3 2 1
PB10 PB4 PB5 PB3 PA10 PA2 PA3
UART_RX
Notes:
(1) used by STM32 on Nucleo board and connected to ST-LINK
2.2 UART and GPIO connection options
As stated previously, the connection between the SPWF01SA and the STM32 Nucleo boards is made via a four wire UART (with hardware flow control) and some GPIOs. A multiple connection arrangement offers maximum modularity (See Table 4). The alternative pins could be useful in case of conflicts with additional X-NUCLEO expansion boards.
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Hardware description
Table 7: SPWF01SA module UART interface - (optional) with STM32 Nucleo board
SPWF01SA
Pin / Signal
STM32 Pin Placement
6 / TXDI
8 / RXDI
9 /
CTS1_DN
10 /
RTS1_DP
PA10
(default)
PC5
PB7
PA3
PA9 (default)
PC4
PB6
PA2
PA11(default)
PA0
PA12
PA1
CN10
– pin 33
CN9
– Pin 3
To use this connection: mount R4 and remove R33, R34, R37
CN10
– pin 6
To use this optional connection: mount R33 and remove R4, R34,
R37
CN7
– pin 21
To use this optional connection: mount R34 and remove R4, R33,
R37
CN9
– pin 2
CN10 - pin 35
To use this optional connection: mount R37 and remove R4
R34
CN10
– pin 21
CN5
– pin 1
To use this optional connection: mount R11 and remove R9, R35,
R36
CN10
– pin 34
To use this optional connection: mount R35 and remove R8, R9, R36
CN10
– pin 17
CN5
– Pin 3
To use this optional connection: mount R9 and remove R8, R35, R36
CN9
– pin 1
CN10
– pin 37
To use this optional connection: mount R36 and remove R8
R35
CN10
– pin 14
To use this connection: mount R2 and remove R39
CN8
– pin 1
CN7
– pin 28
To use this optional connection: mount R39 and remove R2
CN10
– pin 12
To use this connection: mount R6 and remove R38
CN8
– pin 2
CN7
– pin 30
To use this optional connection: mount R38 and remove R6
Notes:
(1) please refer to UM1724 for instructions on how to modify the STM32 Nucleo board to use these pins.
To use the optional connections, you need to modify the firmware for the right allocation of
STM32 resources.
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Hardware description
2.3 Current measurement
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To monitor the power consumption of the onboard SPWF01SA module, remove the R3
(0
Ω resistor) and, using jumper JP1 contacts as connectors, insert an ammeter probe between pins 1 and 2 of the connector and measure current absorption.
Since the power consumption of the SPWF01SA module is usually very low, accurate instrumentation able to take measurements in the order of a few µA may be required.
2.4 X-NUCLEO-IDW01M1 component placement details
The following figure shows component placement on the X-NUCLEO-IDW01M1 board
Figure 3: X-NUCLEO-IDW01M1 component placement details
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3
3.1
3.2
Component descriptions
Component descriptions
This section describes the devices included on the X-NUCLEO-IDW01M1 expansion board. check whether resistor R21 is present on the X-NUCLEO-IDW01M1 board; if it is, please remove it as it may interfere with JTAG debug.
SPWF01SA module
The SPWF01SA module is FCC (FCC ID: VRA-SG9011203), IC (IC: 7420A-SG9011203) and CE certified. The SPWF01SA contains a low power Wi-Fi b/g/n transceiver SoC - a highly integrated Wi-Fi system dedicated to the WLAN management and compliant with Wi-
Fi network specifications. The interface of the device to the STM32 Nucleo boards is via a
UART interface and some GPIO pins. The SPWF01SA module also integrates an SMD antenna and has an embedded 38.4 MHz oscillator for the embedded Wi-Fi radio.
Feature
Table 8: SPWF01SA details
Description
Sales type
Package
Operating voltage
SPWF01SA.11
SMD 30 pin
Typ. 3.3 V
User push-buttons and LED
To command certain I/O signals and signal SPWF01SA module status information, the X-
NUCLEO-IDW01M1 expansion board has two push-buttons and four LEDs.
The hardware and firmware functions associated with the push-buttons and LEDs are shown in the following table:
Feature
Table 9: Push-buttons and LED functions
Description
RESET (hardware, by the user) Push the SW1 push-button on the board
GPIO7_ADC1 module signal (hardware & firmware dependent, by the user)
Push the SW2 push-button on the board
3.3 V board power supply on
GPIO10 mod. signal (firmware dependent)
GPIO14 mod. signal (firmware dependent)
LED 1 (green) lit
LED 2 (blue) lit
LED 3 (red) lit
LED 4 (yellow) lit GPIO13 mod. signal (firmware dependent)
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Component descriptions
3.4 Radio certification
3.4.1
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Formal notices required by the U.S. Federal Communications
Commission (FCC)
Any changes or modifications to this equipment not expressly approved by
STMicroelectronics may cause harmful interference and vo id 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 radiates radio frequency energy. The radio frequency energy produced by this device is well below the maximum exposure limit established by the Federal Communications Commission (FCC).
The X-NUCLEO-IDW01M1 contains the FCC certified SPWF01SA module (FCC ID: VRA-
SG9011203).
3.4.2
3.4.3
Formal notices required by Industry Canada (IC)
English:
This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
French:
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. 'Exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
The X-NUCLEO-IDW01M1 contains the IC certified SPWF01SA module (IC: 7420A-
SG9011203)
Formal notices required by the ETSI (CE)
This module complies with the following European EMI/EMC and safety directives and standards:
ETSI EN 300 328 V1.8.1:2012
EN 301 489-1 V1.9.2:2011 + EN 301 489-17 V2.2.1:2009
EN 60950-1:2006 + A11:2009 + A1:2010 + A12:2011 + A2:2013
EN 62479:2010
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4
4.1
4.2
Board schematic and bill of materials
Board schematic and bill of materials
STM32 Nucleo connections
The X-NUCLEO-IDW01M1 expansion board is designed to be plugged directly on the
STM32 Nucleo board connectors. The X-NUCLEO-IDW01M1 is configured by default to be compatible with the highest number of STM32 Nucleo boards possible. It may be also be configured, via resistor placement, to use different I/O configurations in order to match specific customer targets. Refer to the X-NUCLEO-IDW01M1 user manual for more detailed information regarding the possible I/O configuration options.
Check to see if resistor R21 is present; if it is, please remove it as it may interfere with
JTAG debug.
Bill of materials
Item Quantity
Table 10: Bill of materials (1 of 2)
Reference Description
1
2
5
6
3
4
7
8
9
10
11
12
10
1
2
1
1
1
2
1
2
2
2
1
C1,C3,C5,C6,C7,C
8, C9,C10,C11,C12
C2
C4
CN8
CN6,CN9
CN5
CN7,CN10
J1
J2
JP1,JP2
JP3,JP4
LED1
Note
Bypass capacitor / signal delay / filtering
Bypass capacitor
Bypass capacitor
Arduino UNO R3 connector
Arduino UNO R3 connector
Arduino UNO R3 connector
Not Mounted
ST morpho connector
Debug connector
Module IO for
Development
Option jumper
Option jumper
13
14
15
16
17
18
19
1
1
1
3
1
3
1
LED2
LED3
LED4
R3,R19,R21
R15
R18,R22,R23
R5
Power LED
Blinking while module is running
Wi-Fi power UP
Wi-Fi link UP
Option resistor (default)
Filter for IRQ signal
Current polarization for
LEDs
Current polarization for power LED
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Board schematic and bill of materials
Item Quantity
20
21
22
23
24
25
26
27
28
29
4
1
1
0
4
0
1
1
2
2
Reference
R1,R13,R16,R17
R24
R14
R7,R20,R26,R28,R
29,R30,R31,R32
R2,R4,R6,R8
R9,R33,R34,R35,R
36,R37,R38,R39
U1
U2
SW1,SW2
TP1,TP2
Description
Current limitation for 3.3 V signal
Signal pull-up
Signal pull-down
Option selection (default)
Option selection (optional) Not Mounted
LDO power supply
Signal level shifter
User push button
Test point
Note
Option selection (optional) Not Mounted
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30
31
1
1
WF1
PCB
SPWF01SA Serial-to-Wi-Fi
Modules
X-NUCLEO-IDW01M1
PCB
Item
1
2
3
4
5
6
7
8
9
10
11
12
Package
0603
0603
0805
FEMALE ON
TOP
FEMALE ON
TOP
FEMALE ON
TOP
FEMALE ON
BOTTOM
Female in top
7pins x 2lines
2pins x 1line
3pins x 1line
0603
Table 11: Bill of materials (2 of 2)
Manufacturer’s
Manufacturer ordering code
MURATA
Value
GRM188R71C104KA01D 100 nF 16 V
MURATA
MURATA
HARWIN
SAMTEC
HARWIN
SAMTEC
HARWIN
SAMTEC
4UCON
GCM188R71C105KA64D 1 uF 16 V
GCM21BR70J106KE22L
M20-7820646
SSQ-106-03-G-S
M20-7820846
SSQ-108-03-F-S
M20-7821046
SSQ-110-03-F-S
18507
20565
20600
10 uF 6.3 V
6 pins, 2.54 F
8 pins, 2.54 F
10 pins, 2.5 F
Strip 19 x 2p 2.54
STELVIO KONTEK
--
--
--
--
6778268508410-R
--
--
--
--
SOCKET
CONNECTOR 8p R/A
SINGLE ROW pitch = 1.27 mm strip 7x2p 2.54 strip 2p 2.54 strip 3p 2.54
GREEN LED
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13
14
15
16
17
18
19
20
21
22
23
24
25
26
Item Package
27
Manufacturer
QFN10 (1.8 x
1.4)
Any
Board schematic and bill of materials
Manufacturer’s ordering code
Value
-- BLUE LED 0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0805
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
0805 -- --
SOT323-5L STMicroelectronics STLQ50C25R
Interface between a 3.3 V bus and a 2.5 V
RED LED
YELLOW LED
0 Ω
100 Ω ±5%
270 Ω ±5%
470 Ω ±5%
4.7 k
Ω ±5%
10 k
Ω ±5%
220 k
Ω ±5%
Not mounted
0 Ω
Not mounted
STLQ50C25R
Mounted on board -
STMicroelectronics
ST2G3236QTR
28
29
SMD
1 pin
ITT
IN SUNG METAL
CO
ALPS or equivalent
--
KSR221J
IT-1210-S
SKQYAB (G4822969M)
--
30
31
15.24x26.924 STMicroelectronics SPWF01SA.11
54.5x70mm -- -- strip 1p
SPWF01SA.11
Serial-to-Wi-Fi
Modules)
P.C.B. PC91A.V03
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4.4 Schematic diagram
Figure 4: X-NUCLEO-IDW01M1 board schematic
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4.5 Revision history
Date
06-Nov-2015
Board schematic and bill of materials
Table 12: Document revision history
Version Changes
1 Initial release.
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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.
No license, express or implied, to any intellectual property right is granted by ST herein.
Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product.
ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners.
Information in this document supersedes and replaces information previously supplied in any prior versions of this document.
© 2015 STMicroelectronics
– All rights reserved
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