STM32F334R6 microcontroller STM32F334R6T6 incorporates the high-performance Arm® Cortex®-M4 32-bit RISC core operating at up to 72 MHz frequency embedding a floating point unit (FPU), high-speed embedded memories (up to 64 Kbytes of Flash memory, up to 12 Kbytes of SRAM), and an extensive range of enhanced I/Os and peripherals connected to two APB buses. The STM32F334R6T6 operates in the –40 to +105 °C temperature ranges from 2.0 to 3.6 V power supply. The STM32F334R6T6 offers LQFN64 packages. 

Features:

Core: Arm® Cortex®-M4 32-bit CPU with FPU (72 MHz max), single-cycle multiplication, and HW division DSP instruction

Up to 64 Kbytes of Flash memory

Up to 12 Kbytes of SRAM with HW parity

Routine booster: 4 Kbytes of SRAM on instruction and data bus with HW parity

instruction and data bus with HW parity

Up to 51 fast I/O ports, all mappable on

Interconnect matrix

7-channel DMA controller

Temperature sensor

Three ultra-fast rail-to-rail analog comparators with analog supply from 2 to 3.6 V

One operational amplifier that can be used in PGA mode, all terminals accessible with analog supply from 2.4 to 3.6 V

Up to 18 capacitive sensing channels supporting touch keys, linear and rotary touch sensors

Up to 12 timers

Calendar RTC with alarm, periodic wakeup from Stop

Debug mode: serial wire debug (SWD), JTAG