ST X-NUCLEO-IDB05A2, User Manual

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2 Hardware description and configuration
2.1 Connection details
The BlueNRG-M0 module embedded in the X-NUCLEO-IDB05A2 expansion board can be connected to the
STM32 Nucleo development board through connectors CN5, CN6, CN8 and CN9.
Table 1. X-NUCLEO-IDB05A2 and NUCLEO-L053R8 connection details (left connector)
Signal name
NC IOREF RESET 3V3 5V GND GND VIN A0 A1 A2 A3 A4 A5
Connector name
CN6 Power CN8 Analog
Pin number
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
X-NUCLEO-IDB05A2 expansion board signals
3V3 GND GND
SPI_IRQ
(1)
SPI_CSN
(1)
1. Alternative pin.
Table 2. X-NUCLEO-EEPRMA2 and NUCLEO-L053R8 connection details (right connector)
Signal name
D15 D14 AREF GND D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Connector name
CN5 Digital CN9 Digital
Pin number
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
X-NUCLEO-IDB05A2 expansion board signals
GND
SPI_CLK
(1)
SPI_MISO SPI_MOSI
SPI_CSN
(1)
SPI_IRQ
(1)
SPI_EEPROM_nS
BlueNRG_RST
SPI_CLK
(2)
1. Optional.
2. Alternative pin.
2.2 SPI and GPIO connection options
SPI and GPIO connection options between the STM32 and BlueNRG-MS hosted on the BlueNRG-M0 module
can be used for board operation in different configurations when several expansion boards are used and there is
a conflict of signals.
UM2700
Hardware description and configuration
UM2700 - Rev 1
page 4/18