Overview
The STM32L072VZT6 is an ultra-low-power microcontroller from STMicroelectronics, featuring the 32-bit Arm Cortex-M0+ core. This MCU combines high performance with low power consumption, making it suitable for a wide range of embedded applications. It operates at a frequency of up to 32 MHz and includes a memory protection unit (MPU), high-speed embedded memories, and an extensive range of enhanced I/Os and peripherals. The device supports various low-power modes, internal and external clock sources, and advanced communication interfaces such as USB 2.0, I2C, SPI, and UARTs.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M0+ with MPU |
| Operating Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Operating Temperature | -40°C to 125°C |
| Flash Memory | Up to 192 Kbytes with ECC |
| RAM | 20 Kbytes |
| EEPROM | 6 Kbytes with ECC |
| Backup Register | 20 bytes |
| I/Os | Up to 84 fast I/Os (78 I/Os 5V tolerant) |
| ADC | 12-bit, up to 16 channels |
| DAC | 12-bit, 2 channels |
| Timers | 4 general-purpose 16-bit timers, 2 basic timers, 1 low-power timer (LPTIM), 1 RTC, 1 SysTick |
| Communication Interfaces | Up to 3 I2Cs, 2 SPIs, 1 I2S, 4 USARTs, 1 LPUART, crystal-less USB 2.0 |
| Capacitive Sensing Channels | Up to 24 channels |
Key Features
- Ultra-low-power platform with multiple low-power modes (Standby, Stop, etc.)
- High-performance Arm Cortex-M0+ core with up to 32 MHz frequency and 0.95 DMIPS/MHz
- Comprehensive peripheral set including I2C, SPI, UART, USB, and more
- Integrated brownout detection and power-on reset, programmable voltage detector (PVD)
- Rich analog peripherals: 12-bit ADC, 12-bit DACs, ultra-low-power comparators, timers, and RTC
- Up to 24 capacitive sensing channels for touch sensing functionality
- Pre-programmed bootloader and serial wire debug support for development
Applications
- Industrial automation and control systems
- Building automation and smart home systems
- Portable and battery-powered devices
- IoT and wireless sensor networks
- Simple user interfaces to complex industrial control systems
Q & A
- What is the core architecture of the STM32L072VZT6?
The STM32L072VZT6 features a 32-bit Arm Cortex-M0+ core with an MPU.
- What is the operating frequency range of the STM32L072VZT6?
The operating frequency range is up to 32 MHz.
- What is the power supply range for the STM32L072VZT6?
The power supply range is from 1.65 V to 3.6 V.
- What are the memory specifications of the STM32L072VZT6?
It includes up to 192 Kbytes of Flash memory, 20 Kbytes of RAM, and 6 Kbytes of EEPROM.
- What are the key communication interfaces available on the STM32L072VZT6?
The device supports up to three I2Cs, two SPIs, one I2S, four USARTs, one LPUART, and crystal-less USB 2.0.
- What are the low-power modes available on the STM32L072VZT6?
The device features multiple low-power modes including Standby, Stop, and others.
- Does the STM32L072VZT6 support touch sensing functionality?
Yes, it supports up to 24 capacitive sensing channels for touch sensing.
- What is the operating temperature range of the STM32L072VZT6?
The operating temperature range is from -40°C to 125°C.
- What development support is available for the STM32L072VZT6?
The device supports serial wire debug and has a pre-programmed bootloader.
- What are some typical applications of the STM32L072VZT6?
It is used in industrial automation, building automation, portable devices, IoT, and more.
