Overview
The STM32L082KZU6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L082xx 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 up to 192 Kbytes of Flash memory, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM, along with various analog and digital peripherals. The ultra-low-power platform ensures minimal energy consumption, making it suitable for battery-powered devices and other low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M0+ with MPU |
| Operating Frequency | Up to 32 MHz |
| Flash Memory | Up to 192 Kbytes with ECC (2 banks with read-while-write capability) |
| RAM | 20 Kbytes |
| Data EEPROM | 6 Kbytes with ECC |
| Backup Register | 20 bytes |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to 125 °C |
| Low-Power Modes | Standby: 0.29 µA (3 wakeup pins), Stop: 0.43 µA (16 wakeup lines), Stop + RTC + 20-Kbyte RAM retention: 0.86 µA |
| Wakeup Time | 5 µs from Flash memory |
| ADC Conversion | 41 µA at 10 ksps |
| Peripheral Interfaces | USB 2.0 crystal-less, 4x USART, 1x UART (low power), up to 6x SPI, 3x I2C, 1x I2S |
| Timers | 11 timers including 2x 16-bit with up to 4 channels, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC, and 2x watchdogs |
| Package | UFQFPN 32 5x5x0.55 mm |
Key Features
- Ultra-low-power platform with advanced power-saving modes
- High-performance Arm Cortex-M0+ 32-bit RISC core
- Up to 192 Kbytes of Flash memory, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM
- Rich analog peripherals including 12-bit ADC, 2x 12-bit DACs, and 2x ultra-low-power comparators
- Up to 19 capacitive sensing channels for touch sensing functionality
- 7-channel DMA controller supporting various peripherals
- Multiple communication interfaces: USB 2.0 crystal-less, USART, UART, SPI, I2C, I2S
- Internal clock sources including crystal oscillators and internal RC oscillators
- Pre-programmed bootloader and serial wire debug support
- Hardware encryption engine (AES 128-bit) and true RNG
- Ultra-safe, low-power BOR and programmable voltage detector (PVD)
Applications
- Battery-powered devices and IoT applications requiring low power consumption
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring low power and high reliability
- Sensor networks and data logging applications
Q & A
- What is the core architecture of the STM32L082KZU6?
The core architecture is based on the Arm Cortex-M0+ 32-bit RISC core.
- What is the maximum operating frequency of the STM32L082KZU6?
The maximum operating frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L082KZU6?
The device operates from a 1.65 V to 3.6 V power supply.
- What are the low-power modes available on the STM32L082KZU6?
The device features Standby, Stop, and Stop + RTC + RAM retention modes with very low current consumption.
- What analog peripherals are available on the STM32L082KZU6?
The device includes a 12-bit ADC, 2x 12-bit DACs, and 2x ultra-low-power comparators.
- What communication interfaces are supported by the STM32L082KZU6?
The device supports USB 2.0 crystal-less, USART, UART, SPI, I2C, and I2S interfaces.
- Does the STM32L082KZU6 have any security features?
Yes, it includes a hardware encryption engine (AES 128-bit) and a true RNG.
- What is the package type for the STM32L082KZU6?
The device is available in a UFQFPN 32 5x5x0.55 mm package.
- What is the temperature range for the STM32L082KZU6?
The device operates in the -40 to 125 °C temperature range.
- Does the STM32L082KZU6 support touch sensing functionality?
Yes, it supports up to 19 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
