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UM2183
Hardware description
DocID030409 Rev 2
11/24
Table 5: STM32 Nucleo board/X-NUCLEO-IDW04A1 interconnection (Arduino UNO R3
connector: CN6 - power)
Signal name
NC
IOREF
RESET
+3V3
+5 V
GND 1
GND 2
VIN
Pin
1
2
3
4
5
6
7
8
MCU name
+3V3
RESET
+3V3
+5 V
GND
GND
VIN
Fcn
Table 6: STM32 Nucleo board/X-NUCLEO-IDW04A1 interconnection (Arduino UNO R3
connector: CN8 - analog)
Signal name
A0
A1
A2
A3
A4
A5
Pin
1
2
3
4
5
6
MCU name
PA0
PA1
PA4
PB0
PC1
(PB9
(1)
)
PC0
(PB8
(1)
)
Fcn
USART_
CTS
(1)
USART_RTS
(1)
SPI_IRQ
(1)
WAKEUP SPI_CS
SPI_CS
(1)
Notes:
(1)
Disabled by 0 Ω default configuration
Table 7: STM32 Nucleo board/X-NUCLEO-IDW04A1 interconnection (Arduino UNO R3
connector: CN5 - digital)
Signal
name
D15
D14
AREF
GND
D13
D12
D11
D10
D9
D8
Pin
10
9
8
7
6
5
4
3
2
1
MCU name
PB8 PB9
PA5
(PB
13
a
)
PA6
(PB
14
a
)
PA7
(PB15
a
) PB6
PC7
PA9
Fcn
I2C
_SC
L
I2C
_S
DA
AVD
D
GND
SPI
_CL
K
SPI_
MIS
O
SPI_M
OSI
WAKE
UP
a
SPI_I
RQ
UART_
TX
Table 8: STM32 Nucleo board/X-NUCLEO-IDW04A1 interconnection (Arduino UNO R3
connector: CN9 - digital)
Signal
name
D7
D6
D5 D4 D3
D2
D1
D0
Pin
8
7
6
5
4
3
2
1
MCU
name
PA8
PB3
PA10
PA2
PA3
Fcn
WIFI_RST
SPI_CLK
(1)
UART_RX USART_RX
(1)(2)
USART_TX
(1)(2)
Notes:
(1)
Disabled by 0 Ω default configuration
(2)
used by STM32 Nucleo board and connected to ST-LINK
a
Disabled by 0 Ω default configuration
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