STMicroelectronics

STM32L021F4U6TR  

Microcontrollers

The STM32L021F4U6TR is a low-power microcontroller from STMicroelectronics, designed for a wide range of applications that require high energy efficiency and performance. This microcontroller belongs to the STM32L0 series, which is known for its ultra-low power consumption and advanced features.

Description:

The STM32L021F4U6TR is a 32-bit ARM Cortex-M0+ based microcontroller with a wide range of integrated peripherals and features. It operates at a core frequency of up to 32 MHz and comes in a compact UFQFPN-32 package.

Features:

1. ARM Cortex-M0+ core with a core frequency of up to 32 MHz
2. 512 KB Flash memory and 64 KB SRAM
3. Flexible clock system with an internal RC oscillator, low-speed external oscillator, and high-speed external oscillator
4. Advanced low-power modes, including Stop, Standby, and Shutdown modes
5. Wide range of communication interfaces: I2C, SPI, USART, and UART
6. 12-bit ADC with up to 16 channels
7. 6-channel DMA controller
8. 37 GPIOs with multiple alternate functions
9. CRC calculation unit and true random number generator
10. Programmable voltage reference buffer

Applications:

The STM32L021F4U6TR is suitable for a variety of applications that require low power consumption and high performance. Some of the key applications include:

1. Smart sensors and IoT devices: The low-power features and communication interfaces make it ideal for battery-powered smart sensors and IoT devices.
2. Portable electronics: The energy-efficient design is suitable for portable devices, such as wearables and handheld gadgets, where battery life is crucial.
3. Industrial control and automation: The STM32L021F4U6TR can be used in industrial applications for control and automation tasks, thanks to its robust performance and communication capabilities.
4. Medical devices: The microcontroller's low power consumption and advanced features make it suitable for battery-powered medical devices, such as portable monitoring systems and diagnostic tools.
5. Consumer electronics: The STM32L021F4U6TR can be used in various consumer electronics, such as home appliances, smart lighting systems, and energy management systems.

In summary, the STM32L021F4U6TR is a versatile, low-power microcontroller with a wide range of features and applications. Its energy-efficient design and advanced capabilities make it an excellent choice for developers working on projects that require high performance and low power consumption.

STM32L021F4U6TR Documents

Download datasheets and manufacturer documentation for STM32L021F4U6TR

Datasheets :

STM32L021x4      

Design Resources :

Low Power Modes for STM32L0      

HTML Datasheet :

STM32L021x4