STM32L431RBI6

STM32L431RBI6 is an ultra-low-power with FPU Arm Cortex-M4 MCU 80MHz with 128Kbytes of flash memory. The Cortex-M4 core features a floating point unit (FPU) single precision which supports all Arm® single-precision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security. The STM32L431xx devices embed high-speed memories, a Quad SPI flash memories interface and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32bit multi-AHB bus matrix. It embeds several protection mechanisms for embedded flash memory and SRAM: readout protection, write protection, proprietary code readout protection and Firewall.

• Operating voltage range from 1.71 to 3.6V
• Energy benchmark: 176.7 ULPBench® score
• 64KB SRAM, 80MHz max CPU frequency
• Timer: advanced control, general purpose, basic, low power, SysTick timer, Watchdog timers
• Interfaces: SPI, I2C, USART, LPUART, SAI, CAN, SDMMC, SWPMI
• Features: RTC, random generator, GPIOs wakeup pins
• 2 analogue comparator and 1 operational amplifiers
• True random number generator and CRC calculation unit, 96-bit unique ID
• Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
• 64 pins UFBGA package and industrial temperature range from -40 to 85°C (105°C junction)