STMicroelectronics 32 bit ARM Cortex M0+ STM32L071RBT6 Microcontroller 32 MHz 128kB FLASH 64-Pin LQFP

STMicroelectronics STM32L071RBT6 is a high-performance microcontroller based on the 32 bit ARM Cortex M0+ core, offering ultra-low power consumption combined with a maximum clock frequency of 32 MHz. This microcontroller provides 128 kB of FLASH memory with ECC, 20 kB of RAM, and 6 kB data EEPROM with ECC, making it suitable for a wide range of embedded applications. It features a 64-pin LQFP surface mount package measuring 10 mm by 10 mm with a height of 1.45 mm, optimized for compact electronic designs.

The device supports a wide operating voltage from 1.65 to 3.6 volts and functions reliably across a temperature range from -40°C to 85°C, making it appropriate for industrial, automotive, and consumer electronics applications. It integrates multiple analog and digital peripherals including 16 channels of 12-bit ADC, 2 ultra-low power comparators, and a 7-channel DMA controller that supports ADC, SPI, I2C, USART, and timers enhancing data throughput efficiency.

The STM32L071RBT6 includes a rich set of communication interfaces such as up to 10 peripheral interfaces including 4 USARTs, 1 UART, 6 SPI interfaces, and 3 I2C buses (2 with SMBus/PMBus). It also features 11 timers ranging from 16-bit general purpose and ultra-low power to watchdog timers for extensive timer control scenarios. The integrated security features include ultra-safe brownout reset (BOR) with selectable thresholds, programmable voltage detector (PVD), and sector protection against read/write operations.

Power management is a key highlight, with ultra-low power peak consumption modes such as standby (0.29 μA), stop mode (0.43 μA), and stop mode with RTC and RAM retention (0.86 μA). Wakeup times are fast at 5 μs from flash memory ensuring quick responsiveness in low power states. This product excels in industrial, laboratory, IoT, wearable devices, and general embedded systems where power efficiency and performance are critical.

Ultra-low-power 32 bit ARM Cortex M0+ core operating up to 32 MHz. 128 kB FLASH memory with ECC and 20 kB RAM for efficient data handling. Wide operating voltage from 1.65 V to 3.6 V for versatile applications. Robust temperature range from -40°C to 85°C suitable for industrial use.

64-pin LQFP surface mount package with 1.45 mm height and 10 mm length/width dimensions. Supports multiple communication interfaces including USART, I2C, SPI, and DMA controller for peripherals. Equipped with 16 ADC channels (12 bit) and 2 analogue comparators for precise analog input.

Low power consumption modes including standby and stop modes with ultra-low current draw. Advanced timer system with 11 timers including 16-bit and ultra-low power variants. Embedded security features like brownout reset with selectable thresholds and programmable voltage detector.

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