You can assign a meaningful label, and later use the Find menu to locate and work with the GPIO pin based on its label. User Label: This is a customizable name assigned to a GPIO pin for easier identification and access.However, if your application requires a higher frequency, you can change this setting accordingly. GPIO Maximum output speed: The maximum output speed is initially set to Low for power consumption optimization.However, depending on your requirements, you can configure pull-up or pull-down options if supported by the specific pin. GPIO Pull-up/Pull-down: By default, no pull-up or pull-down resistors are enabled.GPIO mode: The mode automatically configures the pins with the appropriate alternate function and sets them to Output Push Pull mode, ensuring compatibility and stability.However, you can change it to High if needed. GPIO Output level: By default, the output level is set to Low, meaning the pin is at a low voltage.In the GPIO Tab, select Pin Name column PA5 to display the corresponding GPIO parameters and configuration to drive the Nucleo-F103RB LED: But you can use any other Nucleo board also and follow the same instructions to use GPIO pins as digital output pins. But the one which we are going to use in this tutorial is a Nucleo-F103RB board. STM32 Nucleo GPIO PinsĪs discussed in the last section, there are many variants of STM32 Nucleo boards available. But we will use STM32CubeIDE and HAL libraries framework in this series of tutorials. There are different programming environments are available to program Nucleo boards such as Arduino, STM32CubeMX, Mbed, Zephyr RTOS, etc. Three are three main types of Nucleo boars which are classified in terms of flash size, high performance, ultra-low power, and wireless capability features such as Nucleo-32, Nucleo-64, and Nucleo-144. Most importantly, they are compatible with a large number of hardware add-ons available for Arduino Uno and Arduino Nano. These boards allow you to develop and prototype your application quickly at a low cost. Because discovery boards have higher prices than Nucleo boards. ST Microelectronics introduced powerful, low-cost, and affordable development boards as compared to STM32 discovery boards. Download and Install STM32CubeIDE – Getting Started Guide.
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