STM32L431KBU3 [STMicroelectronics]

STM32L431KBU3 Description

The STM32L431KBU3  is an ultra-low-power microcontroller based on the high performance Arm? Cortex?-M4 32-bit RISC core operating at a frequency of up to 80 MHz. It offers a fast 12-bit ADC (5 Msps), two comparators, one operational amplifier, two DAC channels, an internal voltage reference buffer, a low-power RTC, one general-purpose 32-bit timer, one 16-bit PWM timer dedicated to motor control, four general-purpose 16-bit timers, and two 16-bit low-power timers.

STM32L431KBU3 Features

• Ultra-low-power with FlexPowerControl

• Performance benchmark

• Energy benchmark

• Clock Sources

• Up to 83 fast I/Os, most 5 V-tolerant

• RTC with HW calendar, alarms and calibration

• Up to 21 capacitive sensing channels: support touch key, linear and rotary touch sensors

• Memories

• Rich analogue peripherals (independent supply)

• 17x communication interfaces

• 14-channel DMA controller

• True random number generator

• CRC calculation unit, 96-bit unique ID

• Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell?

• All packages are ECOPACK2? compliant

STM32L431KBU3 Applications

• Computers & Computer Peripherals

• Communications & Networking

• Industrial

• Power Management