STMicroelectronics, 32bit ARM Cortex M4, STM32F4 Microcontroller, 180MHz, 512 kB Flash, 64-Pin LQFP

The STM32F446 enables high performance and rich connectivity into a highly integrated and energy efficient microcontroller. It is based on the ART Accelerator, smart architecture, advanced Flash technology and its embedded ARM Cortex-M4 core. The microcontroller can achieve leading performance up to 225 DMIPS and 608 CoreMark at 180 MHz, executing from embedded Flash.

STM32F4 Series 32-Bit ARM Cortex-M4 Microcontrollers, STMicroelectronics

The ARM Cortex-M4 based STM32 F4 series of high-performance MCUs with DSP and FPU instructions is an extension of the industry-leading STM32 portfolio towards even higher performance. Up to 180 MHz operating frequency.

Up to 2x USB 2.0 OTG FS/HS
SDIO (Secure Digital Input Output)
USART, SPI, I²C
I²S (Inter-IC Sound) + Audio PLL
16 and 32 Bit Timers
Up to 3x 12-Bit ADC
Low Voltage 1.7 V to 3.6 V