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STMicroelectronics STM32F411

The STM32F411 is an STMicroelectronics microcontroller built around a 100MHz 32-bit ARM Cortex-M4F (ARMv7E-M, Thumb, with a single-precision FPU) with 512KB of flash and 128KB of SRAM. Where the Cortex-M3 Blue Pill omits floating point, the M4F core in the F411 adds a hardware FPU and the DSP instruction set. It integrates GPIO, multiple USARTs, SPI and I2C buses, timers and ADCs. It is the microcontroller on the STM32 Nucleo-F411RE board.