ST Microelectronics - Part Numbers

STM32F439ZGY6TR IC, ARM Cortex-M4 32b MCU+FPU, 225 DMIPS, up to 2 MB Flash/256+4KB RAM
STM32F439ZIY6TR IC, ARM Microcontrollers - MCU 16/32-BITS MICROS
STM32F746ZGY IC, ARM Based Cortex MCU+FPU

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