Overview
The STM32L052K8U6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It integrates the high-performance Arm® Cortex®-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. This MCU is designed for applications requiring high power efficiency and features a comprehensive set of peripherals and interfaces.
The device includes 64 KB of Flash memory, 8 KB of RAM, and 2 KB of data EEPROM, all with error correction code (ECC). It also features a memory protection unit (MPU) and sector protection against read/write operations. The STM32L052K8U6TR operates from a 1.65 to 3.6 V power supply and is available in a -40 to +125 °C temperature range.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M0+ |
| Frequency | Up to 32 MHz |
| Flash Memory | Up to 64 KB with ECC |
| RAM | 8 KB |
| Data EEPROM | 2 KB with ECC |
| Backup Register | 20 bytes |
| Power Supply | 1.65 to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40 to +125 °C |
| Package | UFQFPN 32 5x5x0.55 mm |
| Analog Features | 12-bit ADC, 12-bit DAC, 2 ultra-low-power comparators |
| Communication Interfaces | USB 2.0 crystal-less, 2x I2C, 2x SPI, 2x USART, 1x LPUART, 1x I2S |
| Timers | 9 timers including 16-bit, ultra-low-power timer, RTC, and SysTick |
| Capacitive Sensing Channels | Up to 24 channels |
| Watchdogs | 2 watchdogs (independent and window) |
Key Features
- Ultra-low Power Consumption: The STM32L052K8U6TR features multiple low-power modes, including Standby, Stop, and Sleep modes, with current consumption as low as 0.27 μA in Standby mode and 0.4 μA in Stop mode.
- High-Performance Core: The Arm® Cortex®-M0+ core operates at up to 32 MHz and achieves 0.95 DMIPS/MHz.
- Rich Analog Peripherals: Includes a 12-bit ADC with hardware oversampling, a 12-bit DAC, and two ultra-low-power comparators.
- Advanced Communication Interfaces: Supports USB 2.0 crystal-less, I2C, SPI, USART, LPUART, and I2S.
- Capacitive Sensing: Up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- Real-Time Clock and Backup Registers: Features an RTC and backup registers that remain powered in Standby mode.
- Security Features: Includes a true random number generator (RNG) and firewall protection.
Applications
- IoT Devices: Ideal for Internet of Things (IoT) applications requiring low power consumption and high performance.
- Industrial Automation: Suitable for industrial automation due to its robust peripherals and communication interfaces.
- Consumer Electronics: Used in various consumer electronics such as smart home devices, wearables, and portable electronics.
- Medical Devices: Can be used in medical devices that require low power and high reliability.
- Automotive Systems: Applicable in automotive systems for its robustness and low power consumption.
Q & A
- What is the core architecture of the STM32L052K8U6TR?
The core architecture is based on the Arm® 32-bit Cortex®-M0+.
- What is the maximum frequency of the STM32L052K8U6TR?
The maximum frequency is up to 32 MHz.
- How much Flash memory does the STM32L052K8U6TR have?
The device has up to 64 KB of Flash memory with ECC.
- What are the power supply voltage ranges for the STM32L052K8U6TR?
The device operates from a 1.65 to 3.6 V power supply.
- What are the key analog features of the STM32L052K8U6TR?
The device includes a 12-bit ADC, a 12-bit DAC, and two ultra-low-power comparators.
- Does the STM32L052K8U6TR support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What communication interfaces are available on the STM32L052K8U6TR?
The device supports USB 2.0 crystal-less, I2C, SPI, USART, LPUART, and I2S.
- What are the low-power modes available on the STM32L052K8U6TR?
The device features Standby, Stop, and Sleep modes with very low current consumption.
- Does the STM32L052K8U6TR have any security features?
Yes, it includes a true random number generator (RNG) and firewall protection.
- What is the operating temperature range of the STM32L052K8U6TR?
The operating temperature range is -40 to +125 °C.
