Overview
The STM32L051K8U6DTR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It is based on the Arm Cortex-M0+ core and is designed for applications requiring low power consumption and high performance. This MCU is particularly suited for battery-powered devices, IoT applications, and other energy-sensitive systems.
Key Specifications
| Specification | Value |
|---|---|
| Core | Arm 32-bit Cortex-M0+ |
| Flash Memory | Up to 64 Kbytes with ECC |
| SRAM | 8 Kbytes |
| EEPROM | 2 Kbytes with ECC |
| Backup Register | 20 bytes |
| Operating Voltage | 1.65 V to 3.6 V |
| Operating Temperature | -40°C to 85°C |
| CPU Frequency | Up to 32 MHz |
| Timers | 9 timers (including 16-bit and ultra-low-power timers) |
| UART/USART | 2x USART (ISO 7816, IrDA), 1x UART (low power) |
| SPI | Up to 4x SPI 16 Mbits/s |
| I2C | 2x I2C (SMBus/PMBus) |
| ADC | 12-bit ADC up to 16 channels |
| Comparators | 2 ultra-low-power comparators |
| Package | UFQFPN32 (5x5 mm) |
Key Features
- Ultra-low-power platform with various power-saving modes (Standby, Stop, etc.)
- Low power consumption: 0.27 µA in Standby mode, 0.4 µA in Stop mode, and 88 µA/MHz in Run mode
- Fast wakeup times: 3.5 µs from RAM and 5 µs from Flash memory
- Rich analog peripherals including 12-bit ADC and ultra-low-power comparators
- 7-channel DMA controller supporting ADC, SPI, I2C, USART, and Timers
- Pre-programmed bootloader with USART and SPI support
- Serial wire debug supported
- CRC calculation unit and 96-bit unique ID
Applications
- Battery-powered devices and IoT applications
- Energy metering and smart grid systems
- Industrial control and automation
- Medical devices and healthcare applications
- Consumer electronics requiring low power consumption
Q & A
- What is the core architecture of the STM32L051K8U6DTR?
The core architecture is based on the Arm 32-bit Cortex-M0+. - What is the maximum flash memory available on this MCU?
The maximum flash memory available is up to 64 Kbytes with ECC. - What is the operating voltage range of the STM32L051K8U6DTR?
The operating voltage range is from 1.65 V to 3.6 V. - What are the key power-saving modes of this MCU?
The key power-saving modes include Standby, Stop, and Run modes with low power consumption. - Does the STM32L051K8U6DTR support serial wire debug?
Yes, it supports serial wire debug. - What types of timers are available on this MCU?
The MCU includes 9 timers, including 16-bit and ultra-low-power timers. - What is the maximum CPU frequency of the STM32L051K8U6DTR?
The maximum CPU frequency is up to 32 MHz. - What types of communication interfaces are supported?
The MCU supports USART, UART, SPI, and I2C interfaces. - Is there a pre-programmed bootloader available?
Yes, there is a pre-programmed bootloader with USART and SPI support. - What is the package type of the STM32L051K8U6DTR?
The package type is UFQFPN32 (5x5 mm).
