STM32L431RBT6TR

STM32L431RBT6TR is an ultra-low-power microcontroller based on the high-performance Arm® Cortex®-M4 32bit RISC core operating at a frequency of upto 80MHz. 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. It embeds several protection mechanisms for embedded flash memory and SRAM: readout protection, write protection, proprietary code readout protection and firewall. This device offers a fast 12bit ADC (5Msps), two comparators, one operational amplifier, two DAC channels, an internal voltage reference buffer, a low-power RTC, one general-purpose 32bit timer, one 16bit PWM timer dedicated to motor control, four general-purpose 16bit timers, and two 16bit low-power timers. A comprehensive set of power-saving modes allows the design of low-power applications.

• 128KB of flash memory size, 64KB SRAM, quad SPI
• (1 (16bit) advanced control, 2 (16bit), 1 (32bit) general purpose, 2 (16bit) basic) timers
• 2 (16bit) low power, SysTick, watchdog (independent window) timers
• (3 SPI, 3 I²C, 3 USART, LPUART, SAI, CAN, SWPMI) communication interface
• RTC, 2 tamper pins, random generator, 52 GPIOs, 4 wakeup pins, 12 capacitive sensing channels
• 12bit ADC (16 channels), 12bit DAC channels (2), 80MHz max CPU frequency
• Operating voltage range from 1.71V to 3.6V, brown out reset (BOR), interconnect matrix
• 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™
• Industrial temperature range from -40°C to 85°C, LQFP64 ECOPACK®2 package

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