Shenzhen Meiyuxin Technology Co., Ltd. [MCU Microcontroller Agent] STM32L431CBT6 ARM microcontroller - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash! ! !

Product Description:

The SSTM32L431CBT6 devices are the ultra-low-power microcontrollers based on the highperformance Arm® Cortex®-M4 32-bit RISC core operating at a frequency of up to 80 MHz.

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 STM32L431CBT6 devices embed high-speed memories (Flash memory up to 256 Kbyte, 64 Kbyte of SRAM), a Quad SPI flash memories interface (available on all packages) and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix.

The STM32L431CBT6 devices embed several protection mechanisms for embedded Flash memory and SRAM: readout protection, write protection, proprietary code readout protection and Firewall.

The devices offer 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 generalpurpose 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.In addition, up to 21 capacitive sensing channels are available.

They also feature standard and advanced communication interfaces.

• Three I2Cs

• Three SPIs

• Three USARTs and one Low-Power UART.

• One SAI (Serial Audio Interfaces)

• One SDMMC

• One CAN

• One SWPMI (Single Wire Protocol Master Interface)

STM32L431CBT6operates in the -40 to +85 °C (+105 °C junction), -40 to +105 °C(+125 °C junction) and -40 to +125 °C (+130 °C junction) temperature ranges from a 1.71 to 3.6 V power supply. A comprehensive set of power-saving modes allows the design of lowpower applications.

STM32L431CBT6Some independent power supplies are supported: analog independent supply input for ADC, DAC, OPAMP and comparators. A VBAT input allows to backup the RTC and backup registers.

STM32L431CBT6 family offers nine packages from 32 to 100-pin packages