STMicroelectronics, Inc. Microcontrollers STM32L451RCI6

The STM32L451RCI6 is an ultra-low-power microcontroller based on the Arm¬Æ Cortex¬Æ-M4 core, featuring a floating-point unit and capable of operating at frequencies up to 80 MHz. It includes up to 512 KB of Flash memory and 160 KB of SRAM, with a portion of the SRAM equipped with hardware parity check for enhanced reliability. The device supports a wide range of peripherals, including 16 communication interfaces such as I2C, USART, and SPI, as well as rich analog features like a 12-bit ADC and DAC. This microcontroller is designed for low power consumption, with various operating modes that allow for energy-efficient performance, including a shutdown mode consuming as low as 22 nA. It operates within a voltage range of 1.71 V to 3.6 V and is rated for a temperature range of -40 ¬8C to 125 ¬8C. The STM32L451RCI6 also includes advanced features such as a true random number generator, a CRC calculation unit, and a 14-channel DMA controller, making it suitable for a variety of applications requiring efficient processing and low power usage.