Overview
The STM32L052K8U6D 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. It includes high-speed embedded memories such as 64 Kbytes of Flash program memory, 8 Kbytes of RAM, and 2 Kbytes of data EEPROM. The device also supports various low-power modes and a wide range of analog and digital peripherals, making it suitable for a variety of low-power applications.
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 | 1.8 to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40 to +125 °C |
| Low-Power Modes | Standby: 0.27 μA, Stop: 0.4 μA, Stop + RTC + 8 KB RAM retention: 0.8 μA |
| Wakeup Time | 3.5 μs from RAM, 5 μs from Flash memory |
| Communication Interfaces | USB 2.0 crystal-less, 2x USART, 1x UART (low power), 2x SPI, 2x I2C, 1x I2S |
| Analog Peripherals | 12-bit ADC, 12-bit DAC, 2 ultra-low-power comparators, up to 24 capacitive sensing channels |
| Timers | 9 timers including 16-bit and ultra-low-power timers, RTC, SysTick, and 2 watchdogs |
| Package | UFQFPN 32 5x5x0.55 mm |
Key Features
- Ultra-low-power platform with multiple power-saving modes.
- High-performance Arm® Cortex®-M0+ 32-bit RISC core.
- High-speed embedded memories: 64 KB Flash, 8 KB RAM, and 2 KB data EEPROM.
- Extensive range of enhanced I/Os and peripherals.
- Advanced communication interfaces: USB 2.0 crystal-less, USART, UART, SPI, I2C, and I2S.
- Rich analog peripherals: 12-bit ADC, 12-bit DAC, ultra-low-power comparators, and capacitive sensing channels.
- Multiple timers and watchdogs: 16-bit timers, ultra-low-power timer, RTC, SysTick, and two watchdogs.
- Real-time clock and backup registers.
- Ultra-safe, low-power BOR (brownout reset) and ultra-low-power POR/PDR.
- Programmable voltage detector (PVD) and internal clock sources.
Applications
The STM32L052K8U6D is suitable for a wide range of low-power applications, including:
- IoT devices and smart home appliances.
- Wearable devices and health monitors.
- Industrial automation and control systems.
- Consumer electronics requiring low power consumption.
- Automotive systems and telematics.
- Medical devices and diagnostic equipment.
Q & A
- What is the core architecture of the STM32L052K8U6D?
The core architecture is based on the Arm® 32-bit Cortex®-M0+ RISC core. - What is the maximum operating frequency of the STM32L052K8U6D?
The maximum operating frequency is up to 32 MHz. - What types of memory does the STM32L052K8U6D have?
The device has up to 64 KB of Flash memory, 8 KB of RAM, and 2 KB of data EEPROM. - What are the power supply and temperature ranges for the STM32L052K8U6D?
The power supply range is from 1.8 to 3.6 V (down to 1.65 V at power down), and the temperature range is -40 to +125 °C. - What are the low-power modes available on the STM32L052K8U6D?
The device supports Standby, Stop, and Stop + RTC + 8 KB RAM retention modes with respective current consumptions. - What communication interfaces are available on the STM32L052K8U6D?
The device features USB 2.0 crystal-less, USART, UART (low power), SPI, I2C, and I2S interfaces. - What analog peripherals are included in the STM32L052K8U6D?
The device includes a 12-bit ADC, a 12-bit DAC, two ultra-low-power comparators, and up to 24 capacitive sensing channels. - How many timers and watchdogs does the STM32L052K8U6D have?
The device has 9 timers including 16-bit and ultra-low-power timers, an RTC, a SysTick, and two watchdogs. - What is the package type of the STM32L052K8U6D?
The package type is UFQFPN 32 5x5x0.55 mm. - Is the STM32L052K8U6D RoHS compliant?
Yes, the STM32L052K8U6D is RoHS compliant and comes in ECOPACK®2 packages.
