Overview
The STM32L011K4U6 is a member of the ultra-low-power STM32L011xx family of microcontrollers from STMicroelectronics. This device is based on the high-performance ARM® Cortex®-M0+ 32-bit RISC core, operating at a maximum frequency of 32 MHz. It is designed to provide high power efficiency and is suitable for a wide range of applications requiring low power consumption.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® 32-bit Cortex®-M0+ |
| Maximum Frequency | Up to 32 MHz |
| Flash Memory | Up to 16 KB with ECC |
| RAM | 2 KB |
| Data EEPROM | 512 B with ECC |
| Backup Register | 20-byte |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to 125 °C |
| Low-Power Modes | Standby: 0.23 μA, Stop: 0.29 μA, Stop + RTC + 2 KB RAM: 0.54 μA |
| ADC | 12-bit, up to 10 channels, 1.14 Msps |
| Timers | 3x 16-bit timers, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC, 2x watchdogs |
| Communication Interfaces | 1x USART, 1x UART (low power), 1x SPI, 1x I2C |
| Package | UFQFPN 32 5x5x0.55 mm |
| I/Os | Up to 28 fast I/Os (23 I/Os 5V tolerant) |
Key Features
- Ultra-low-power platform with multiple power-saving modes.
- High-speed embedded memories: up to 16 KB Flash, 2 KB RAM, and 512 B data EEPROM.
- Rich analog peripherals: 12-bit ADC, two ultra-low-power comparators.
- Extensive range of enhanced I/Os and peripherals.
- Standard and advanced communication interfaces: I2C, SPI, USART, and low-power UART.
- Real-time clock and backup registers.
- Ultra-safe, low-power BOR (brownout reset) and programmable voltage detector (PVD).
- Internal and external clock sources, including a high-speed internal 16 MHz factory-trimmed RC and a 32 kHz oscillator for RTC.
- Serial wire debug supported and pre-programmed bootloader.
Applications
The STM32L011K4U6 is ideal for various low-power applications, including:
- IoT devices and smart home appliances.
- Wearable electronics and health monitoring devices.
- Industrial automation and control systems.
- Automotive systems requiring low power consumption.
- Battery-powered devices and energy harvesting applications.
Q & A
- What is the core architecture of the STM32L011K4U6?
The STM32L011K4U6 is based on the ARM® 32-bit Cortex®-M0+ core. - What is the maximum operating frequency of the STM32L011K4U6?
The maximum operating frequency is up to 32 MHz. - What are the memory specifications of the STM32L011K4U6?
The device features up to 16 KB Flash memory, 2 KB RAM, and 512 B data EEPROM. - What is the power supply range for the STM32L011K4U6?
The power supply range is from 1.65 V to 3.6 V. - What are the low-power modes available on the STM32L011K4U6?
The device offers Standby, Stop, and Stop + RTC + 2 KB RAM retention modes, with current consumptions as low as 0.23 μA, 0.29 μA, and 0.54 μA respectively. - What analog peripherals are available on the STM32L011K4U6?
The device includes a 12-bit ADC with up to 10 channels and two ultra-low-power comparators. - What communication interfaces does the STM32L011K4U6 support?
The device supports USART, low-power UART, SPI, and I2C interfaces. - What is the package type for the STM32L011K4U6?
The package type is UFQFPN 32 5x5x0.55 mm. - How many I/Os does the STM32L011K4U6 have?
The device has up to 28 fast I/Os, with 23 I/Os being 5V tolerant. - Is the STM32L011K4U6 suitable for industrial applications?
Yes, the device is suitable for industrial applications due to its robust specifications and wide temperature range (-40 to 125 °C).
