STMicroelectronics, Inc. Microcontrollers STM32L151R6H6A

The STM32L151R6H6A 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 up to 1 Msps across 24 channels, a 12-bit DAC with two channels, and multiple communication interfaces including USB 2.0, USART, SPI, and I2C. It also offers advanced features like a DMA controller, timers, and up to 20 capacitive sensing channels for touch applications. The STM32L151R6H6A is designed for low power consumption, with various modes achieving standby currents as low as 0.28 ¬µA and wakeup times under 8 ¬µs. It is equipped with a memory protection unit and supports development tools such as Serial Wire Debug and JTAG. This microcontroller is ideal for battery-operated devices and applications where power efficiency is critical.