STMicroelectronics, Inc. Microcontrollers STM32L151C8U6A

The STM32L151C8U6A is an ultra-low-power 32-bit microcontroller based on the ARM Cortex-M3 core, operating at a maximum frequency of 32 MHz. It features 128 KB of Flash memory, 32 KB of SRAM, and 4 KB of EEPROM, making it suitable for applications requiring efficient memory management. The device supports a wide operating voltage range from 1.65 V to 3.6 V and operates within a temperature range of -40¬8C to 105¬8C. This microcontroller includes a rich set of peripherals, such as a 12-bit ADC capable of sampling at 1 Msps with up to 24 channels, and a 12-bit DAC with two output channels. It also offers multiple communication interfaces, including USB 2.0, USART, SPI, and I2C, along with a DMA controller for efficient data handling. The STM32L151C8U6A supports various low-power modes, achieving a standby current as low as 0.28 ¬µA and a wakeup time of less than 8 ¬µs, making it ideal for battery-operated devices. Additionally, the microcontroller provides up to 83 fast I/Os, with 73 being 5V tolerant, and includes features such as timers, watchdogs, and capacitive sensing channels. The device is packaged in a compact 48-UFQFPN (7x7 mm) form factor, facilitating integration into space-constrained designs. Overall, the STM32L151C8U6A is a versatile choice for engineers looking for a low-power microcontroller with robust performance and extensive peripheral support.