![]() The STM32 MCUs are commonly used in many industrial and commercial products these days. It is beginner friendly and on top of that, it is free to use, just download the IDE and its respective drive from link below. Out of these, the Keil MDK is the most used one. The Board can be programmed with many Development tool chains which are listed below: The Nucleo Development Board is relatively easy to get started and learn since it has an in-built programmer and debugger. ![]() Note: More technical information can be found in the STM32 Nucleo-F401RE Datasheet, linked at the bottom of this page.Īrduino UNO, Arduino Pro Mini, Arduino Mega, Arduino Due, Arduino Leonardo, Raspberry Pi, PIC Development Board, AVR Development Board, MSP430 Launchpad, Intel Edison, ESP32 Look at your I2C setup code, it will be set somewhere there, likely loaded into a hardware register in the I2C peripheral or at least passed to an I2C setup function. Since your software is not included in the question, this is unanswerable. PA2, PA3, PA4, PA6, PA7, PA10, PA11 and PA12 8 Unlike with fixed-function chips, with an MCU the I2C address will be whatever your software makes it. To review, open the file in an editor that reveals hidden Unicode characters. PUNE STM32F4 Nucleo Tutorial- Control GPIO LED Switch BINARY UPDATES 24.3K subscribers 5.1K views 1 year ago This is an STM32F4 Nucleo Board tutorial where well learn how to control GPIO Pins of. PC0, PC1, PC2, PC3, PC10, PC11, PC12, PC13, PC14, PC15Ĭan be used to power them module from battery This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. They are also categorized with the table below: How to flash and write a program on a nucleo F401RE using libopencm3. The name of the pins can be found in the image above. They comprise of GPIO pins, Analog Pins, Timer Pins, and Power pins. These pins are classified into CN7 and CN10 with each having 38 Pins. 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. 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. 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. The pin one resembles the Arduino UNO and the blue one is the STM32 style ( Morpho). ![]() As you can see, there are two sets of pins. The STM32 Nucleo board pinout is shown above. The Board operates with 3.3V supply but a wide voltage range of 7-12V can be provided to the VIN pin since it has an on-board voltage regulator. To power the NUCLEO-L476RG, use its CN1 connector to connect in with a computer through a USB Type-A to Mini-B cable. Similarly, there are two push buttons where one is user programmable, and the other is to reset the Microcontroller. This board also comes with an integrated ST-LINK/V2-1 programmer and debugger hence it is very easy to get started with this board.Īs shown in the image above, there are three LEDs, where LD1 is for indicating USB communication, LD2 is programmable LED, and LD3 indicates power. NUCLEO-F401RE Affordable and flexible platform to ease prototyping using a STM32F401RET6 microcontroller. The Boards pinout is similar to Arduino UNO and has many other additional pins to expand performance. It features the ARM Cortex M4 32-bit STM32F401RET6 microcontroller which is in LQFP64 package. And this is where it's connected to the ST-Link interface. That's your MCU, 'SB62, SB63 Default open' means that the connection is not there. The easiest way to program the board is to use OpenOCD.The STM32 Nucleo boards are the official Development Boards from STMicroelectronics. 1 Answer Sorted by: 3 According to the Nucleo schematics, PA2 & PA3 are connected to the internal ST-Link controller, therefore not usable for GPIO without adding and removing some bridges first. The ST Nucleo-F401RE board includes an on-board ST-LINK V2 programmer. USART2 via STLink/USB or D0(RX)/D1(TX) and USART6 on PA12(RX)/PA11(TX)
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