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ST STM32L072CZ ultra-low power consumption 32 bit ARM MCU development program.

May 22, 2018

The ultra-low-power STM32L072xx microcontrollers incorporate the connectivity power of the universal serial bus (USB 2.0 crystal-less) with the high-performance Arm® Cortex®-M0+ 32-bit RISC core operating at a 32 MHz frequency, a memory protection unit (MPU), high-speed embedded memories (up to 192 Kbytes of Flash program memory, 6 Kbytes of data EEPROM and 20 Kbytes of RAM) plus an extensive range of enhanced I/Os and peripherals. The STM32L072xx devices provide high power efficiency for a wide range of performance. It is achieved with a large choice of internal and external clock sources, an internal voltage adaptation and several low-power modes. The STM32L072xx devices offer several analog features, one 12-bit ADC with hardware oversampling, two DACs, two ultra-low-power comparators, several timers, one low-power timer (LPTIM), four general-purpose 16-bit timers and two basic timer, one RTC and one SysTick which can be used as timebases. They also feature two watchdogs, one watchdog with independent clock and window capability and one window watchdog based on bus clock. Moreover, the STM32L072xx devices embed standard and advanced communication interfaces: up to three I2Cs, two SPIs, one I2S, four USARTs, a low-power UART (LPUART), and a crystal-less USB. The devices offer up to 24 capacitive sensing channels to simply add touch sensing functionality to any application. The STM32L072xx also include a real-time clock and a set of backup registers that remain powered in Standby mode. The ultra-low-power STM32L072xx devices operate from a 1.8 to 3.6 V power supply (down to 1.65 V at power down) with BOR and from a 1.65 to 3.6 V power supply without BOR option. They are available in the -40 to +125 ℃ temperature range. A comprehensive set of power-saving modes allows the design of low-power applications.

The ultra-low-power STM32L072xx are offered in 9 different package typesfrom 32 pins to 100 pins. Depending on the device chosen, different sets of peripherals are included, the description below gives an overview of the complete range of peripherals proposed in this family. These features make the ultra-low-power STM32L072xx microcontrollers suitable for a wide range of applications:

• Gas/water meters and industrial sensors
• Healthcare and fitness equipment
• Remote control and user interface
• PC peripherals, gaming, GPS equipment
• Alarm system, wired and wireless sensors, video intercom

Comments (4)

Jessica Moore

This article about electronic components is well-written and informative. It covers a wide range of topics and provides valuable insights into the world of electronics. I found the explanations to be clear and easy to understand, even for someone with limited technical knowledge.

November 30, 2019
1. Adam Taylor
  
  I also enjoyed reading this article. It's great to see such clear explanations of complex topics. Looking forward to reading more from this author in the future.
  
  December 5, 2019
Ryan Ford

I completely agree with the previous reviewer. This article is an excellent resource for anyone interested in learning about electronic components. I particularly appreciated the section on common types of resistors and how to read their values. Keep up the good work!

December 5, 2020

ST STM32L072CZ ultra-low power consumption 32 bit ARM MCU development program.

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