GPIO (51) with external interrupt capability.12 IoT Engineering Education Copyright 2018 by Rawat Siripokarpirom Nucleo F401RE Board: Connectors 13 Copyright 2018 by Rawat Siripokarpirom Nucleo F401RE Board: Connector (Top-Left Side) IoT Engineering Education 14 Copyright 2018 by Rawat Siripokarpirom Nucleo F401RE Board: Connector (Top-Right Side) IoT Engineering Education Nucleo F401RE (STM32F401RET6) PA_5 (STM32 Pin) = D13 (Arduino Pin) 15 Copyright 2018 by Rawat Siripokarpirom IoT Engineering Education Nucleo L053R8 (with STM32L053R8T6 MCU) STM32L053R8T6 (LQFP64 package).User LED (LD2 pin) Two push buttons: USER and RESET (active-low) USB connector: Mini-USB Board power supply.STMicroelectronics “Morpho extension” pin headers.On-board debugger/programmer: ST-LINK/V2-1 with SWD connector ST-LINK/V2-1.MCU: STM32F401RET6 (ARM 32-bit Cortex-M4 CPU with FPU, 84 MHz, 512 KB Flash, 96 KB SRAM).10 Copyright 2018 by Rawat Siripokarpirom Flash (Program) Size IoT Engineering Education Types: STM32 Nucleo Boards Increasing Pin Count & Board Size 11 Copyright 2018 by Rawat Siripokarpirom IoT Engineering Education Nucleo F401RE Board I/Os: 3.3V logic-level only !!! Some digital I/O pins of the STM32 MCUs are 5V tolerant. ![]() With Arduino I/O Connectors & Interfacing. ![]()
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