The STM32L071RBT6TR from STMicroelectronics is an ultra-low-power 32-bit microcontroller from the STM32L0 family. Based on the Arm Cortex-M0+ core and operating at up to 32MHz, it combines efficient processing performance with advanced power-saving features for battery-powered and energy-sensitive embedded applications.
The device integrates 128KB of Flash program memory, 20KB of SRAM, and 6KB of data EEPROM, providing convenient storage for application code, runtime data, configuration parameters, calibration values, and other information that must be retained when power is removed.
STM32L071RBT6TR provides a broad range of analog and digital peripherals, including a 12-bit ADC, two ultra-low-power comparators, general-purpose and low-power timers, RTC, USART, SPI, I2C, and GPIO interfaces. These resources make the MCU suitable for sensor interfacing, data acquisition, industrial control, and general embedded applications.
The STM32L071 family supports multiple low-power operating modes with very low standby and stop-mode current. Its low-voltage operation, down to approximately 1.65V, makes it particularly useful for battery-powered sensors, portable electronics, smart meters, and long-life IoT nodes.
The STM32L071RBT6TR is supplied in a 64-pin LQFP package measuring 10 × 10 × 1.4mm and operates over an industrial temperature range of -40°C to +85°C. The TR ordering suffix indicates tape-and-reel packaging for automated SMT assembly. Typical applications include smart metering, industrial sensing, portable instrumentation, home automation, medical electronics, and low-power IoT systems.
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