![]() The STM32 Nucleo board pinout is shown above. As you can see, there are two sets of pins. The pin one resembles the Arduino UNO and the blue one is the STM32 style ( Morpho). The arduino like pins are female connector pins which exactly match the order and position of Arduino UNO pins and hence any Arduino shield can be used with these development boards. ![]() Provides 3.3V as output can also be used to power the MCU Each category pin can be tabulated as follows: The Arduino pins are split into category CN5, CN6, CN8, and CN9. These pins can also be used for I2C Communication A4 is SDA and A5 is SCLĬan be used to provide analog reference voltageĪcts as SCK, MISO, MOSI and CS pins respectively for SPI communicationĪcts as Rx and Tx pins respectively for USART communicationĪpart from the Arduino pins, the board also has 76 (38+38) GPIO pins as male headers on either side of the board as shown above. These pins are classified into CN7 and CN10 with each having 38 Pins. They comprise of GPIO pins, Analog Pins, Timer Pins, and Power pins. PC0, PC1, PC2, PC3, PC10, PC11, PC12, PC13, PC14, PC15Ĭan be used to power them module from battery They are also categorized with the table below: The name of the pins can be found in the image above.
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