STMicroelectronics, Inc. Embedded - Embedded - Microcontrollers - STM32L151QCH6 STM32L151QCH6

The STM32L151QCH6 is an ultra-low-power 32-bit microcontroller based on the ARM Cortex-M3 architecture. It features 256KB of Flash memory, 32KB of SRAM, and 8KB of EEPROM, making it suitable for applications requiring efficient memory usage. The device operates within a voltage range of 1.65V to 3.6V and supports a wide temperature range from -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 40 channels, a 12-bit DAC, and multiple communication interfaces including USB 2.0, USART, SPI, and I2C. It also supports up to 116 fast I/Os, with 102 being 5V tolerant, and features an LCD driver for up to 8x40 segments. The STM32L151QCH6 is designed for low power consumption, with various modes including a standby mode consuming as low as 305 nA and a stop mode at 0.475 ¬µA. It also includes a memory protection unit and a variety of timers, making it versatile for different applications. The device is packaged in a compact 132-ball UFBGA format, suitable for space-constrained designs.