2 Hardware description
This section describes the X-NUCLEO-IDW01M1 features and provides useful information
for understanding the board schematics.
2.1 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
CN7 (see Table 1: "Interconnection between STM32 Nucleo board and X-NUCLEO-
IDW01M1 (ST morpho connector - CN7)") and CN10 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 Table 3:
"Interconnection between STM32 Nucleo board and X-NUCLEO-IDW01M1 (Arduino UNO
R3 Connector CN6 - Power)" to Table 6: "Interconnection between STM32 Nucleo board
and X-NUCLEO-IDW01M1 through (Arduino UNO R3 Connectors CN9 - Digital)").
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)
