32-bit RISC Microcontroller, 84 MHz, 50 I/O Lines, 32-Bit, Quad Package

32-Bit Microcontroller, 100 MHz, 50 I/O Lines, 32-Bit RISC, Quad Package

STM32 Dynamic Efficiency MCU, ARM Cortex-M4 core with DSP and FPU, up to 512 Kbytes Flash, 84 MHz CPU, Art Accelerator
LQFP 84MHz 3.6V 1.7V 50-pin Microcontroller with 512KB Flash and 96KB RAM