Overview
The STM32L081KZT6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It incorporates the high-performance Arm Cortex-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. This microcontroller is designed for applications requiring low power consumption and long battery life, featuring a memory protection unit (MPU), high-speed embedded memories, and an extensive range of enhanced I/Os and peripherals.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm Cortex-M0+ |
| Frequency | Up to 32 MHz |
| Flash Memory | Up to 192 Kbytes |
| SRAM | 20 Kbytes |
| EEPROM | 6 Kbytes |
| Supply Voltage | 1.65 V to 3.6 V |
| Operating Temperature | -40 °C to 125 °C |
| I/Os (High Current) | 25 |
| ADC | 12-bit, up to 22 channels |
| 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) |
| Communication Interfaces | Up to 3 I2Cs, 2 SPIs, 4 USARTs, 1 low-power UART (LPUART) |
| Package | LQFP 32 7x7x1.4 mm |
| RoHS Compliance | Ecopack2 |
Key Features
- Ultra-low-power platform with multiple low-power modes (Standby, Stop, and Sleep) for extended battery life.
- High-performance Arm Cortex-M0+ 32-bit RISC core operating at up to 32 MHz.
- Integrated peripherals including 12-bit ADC, ultra-low-power comparators, AES, and various timers.
- Advanced communication interfaces such as I2C, SPI, USART, and low-power UART.
- Real-time clock (RTC) and backup registers that remain powered in Standby mode.
- Flexible clocking system with internal and external clock sources.
- Robust safety features including brown-out detection, power-on reset, and watchdogs.
- Comprehensive development ecosystem with tools and resources for rapid development and deployment.
Applications
- Battery-powered and energy-constrained devices.
- Industrial control systems.
- Home automation and smart home applications.
- Wearable electronics and IoT devices.
- Medical and healthcare equipment.
Q & A
- What is the core architecture of the STM32L081KZT6?
The STM32L081KZT6 uses the Arm Cortex-M0+ 32-bit RISC core.
- What is the maximum operating frequency of the STM32L081KZT6?
The maximum operating frequency is up to 32 MHz.
- What is the range of the supply voltage for the STM32L081KZT6?
The supply voltage ranges from 1.65 V to 3.6 V.
- What are the key low-power modes available in the STM32L081KZT6?
The key low-power modes include Standby, Stop, and Sleep modes.
- What types of communication interfaces are available on the STM32L081KZT6?
The microcontroller features up to 3 I2Cs, 2 SPIs, 4 USARTs, and 1 low-power UART (LPUART).
- Does the STM32L081KZT6 have any built-in security features?
Yes, it includes an AES 128-bit hardware encryption engine.
- What is the temperature range for the STM32L081KZT6?
The operating temperature range is from -40 °C to 125 °C.
- How much SRAM and EEPROM does the STM32L081KZT6 have?
The microcontroller has 20 Kbytes of SRAM and 6 Kbytes of EEPROM.
- Is the STM32L081KZT6 RoHS compliant?
Yes, it is RoHS compliant with Ecopack2 packaging.
- What are some typical applications for the STM32L081KZT6?
Typical applications include battery-powered devices, industrial control systems, home automation, wearable electronics, and medical equipment.
