Overview
The STM32L052K8U6DTR 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 device is designed for applications requiring high power efficiency and features a comprehensive set of peripherals and interfaces.
The microcontroller includes high-speed embedded memories such as 64 Kbytes of Flash program memory, 8 Kbytes of RAM, and 2 Kbytes of data EEPROM, all with ECC. It also features a real-time clock, backup registers, and various low-power modes to minimize energy consumption.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | Arm® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core |
| Operating 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 V to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40 to +125 °C |
| Low-Power Modes | Standby, Stop, and Sleep modes with various wakeup options |
| Communication Interfaces | USB 2.0 crystal-less, I2C, SPI, USART, UART (low power), I2S |
| Analog Peripherals | 12-bit ADC, 12-bit DAC, ultra-low-power comparators, capacitive sensing channels |
| Timers | General-purpose 16-bit timers, low-power timer, RTC, SysTick, watchdogs |
| Package | UFQFPN 32 5x5x0.55 mm |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Sleep)
- High-performance Arm® Cortex®-M0+ 32-bit RISC core with MPU
- High-speed embedded memories: 64 KB Flash, 8 KB RAM, 2 KB data EEPROM with ECC
- Real-time clock and backup registers
- Rich set of analog peripherals: 12-bit ADC, 12-bit DAC, ultra-low-power comparators
- Extensive range of communication interfaces: USB 2.0 crystal-less, I2C, SPI, USART, UART (low power), I2S
- Up to 24 capacitive sensing channels for touch sensing functionality
- Multiple timers: general-purpose 16-bit timers, low-power timer, RTC, SysTick, watchdogs
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
- Internal voltage adaptation and clock sources including crystal oscillators and internal RC oscillators
Applications
- Low-power IoT devices and smart sensors
- Portable and battery-powered devices
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as wearables and fitness trackers
- Automotive systems requiring low power and high reliability
Q & A
- What is the core processor of the STM32L052K8U6DTR?
The core processor is the Arm® Cortex®-M0+ 32-bit RISC core.
- What is the maximum operating frequency of the STM32L052K8U6DTR?
The maximum operating frequency is up to 32 MHz.
- What types of memory does the STM32L052K8U6DTR have?
The device has up to 64 KB of Flash memory, 8 KB of RAM, and 2 KB of data EEPROM, all with ECC.
- What are the power supply and temperature range of the STM32L052K8U6DTR?
The power supply range is 1.65 V to 3.6 V, and the temperature range is -40 to +125 °C.
- What communication interfaces are available on the STM32L052K8U6DTR?
The device features USB 2.0 crystal-less, I2C, SPI, USART, UART (low power), and I2S interfaces.
- What are the key analog peripherals of the STM32L052K8U6DTR?
The device includes a 12-bit ADC, a 12-bit DAC, ultra-low-power comparators, and up to 24 capacitive sensing channels.
- What are the low-power modes available on the STM32L052K8U6DTR?
The device supports Standby, Stop, and Sleep modes with various wakeup options.
- What is the package type of the STM32L052K8U6DTR?
The package type is UFQFPN 32 5x5x0.55 mm.
- Does the STM32L052K8U6DTR have any specific safety features?
Yes, it includes ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds and other safety features like watchdogs and a memory protection unit (MPU).
- What are some typical applications for the STM32L052K8U6DTR?
Typical applications include low-power IoT devices, portable and battery-powered devices, industrial automation, medical devices, consumer electronics, and automotive systems.
