Overview
The STM32L071V8T6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L071xx family. It features the high-performance Arm Cortex-M0+ 32-bit RISC core operating at a frequency of up to 32 MHz. This MCU is designed for high power efficiency and includes a range of enhanced I/Os and peripherals. The device operates from a 1.8 to 3.6 V power supply (down to 1.65 V at power down) and is available in the -40 to +125 °C temperature range. It is ideal for a wide range of low-power applications due to its comprehensive set of power-saving modes.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm 32-bit Cortex-M0+ |
| 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 | 1.8 to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40 to +125 °C |
| I/Os | Up to 84 fast I/Os (78 I/Os 5V tolerant) |
| ADC | 12-bit ADC with hardware oversampling, up to 16 channels |
| Comparators | 2 ultra-low-power comparators |
| Timers | 11 timers including 4 general-purpose 16-bit timers, 1 low-power timer, 1 RTC, and 2 watchdogs |
| Communication Interfaces | Up to three I2Cs, two SPIs, one I2S, four USARTs, one low-power UART |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, etc.)
- High-speed embedded memories and sector protection against R/W operations
- Rich analog peripherals including a 12-bit ADC, ultra-low-power comparators, and multiple timers
- Extensive communication interfaces such as I2C, SPI, I2S, USART, and low-power UART
- Internal voltage adaptation and several low-power clock sources
- Real-time clock and backup registers that remain powered in Standby mode
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
- Programmable voltage detector (PVD) and CRC calculation unit
Applications
The STM32L071V8T6 is suitable for a variety of 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 STM32L071V8T6? The core architecture is based on the Arm 32-bit Cortex-M0+.
- What is the maximum operating frequency of the STM32L071V8T6? The maximum operating frequency is up to 32 MHz.
- How much Flash memory does the STM32L071V8T6 have? It has up to 192 Kbytes of Flash memory with ECC.
- What is the power supply range for the STM32L071V8T6? The power supply range is from 1.8 to 3.6 V (down to 1.65 V at power down).
- What are the key power-saving modes of the STM32L071V8T6? The key power-saving modes include Standby, Stop, and low-power modes with RTC and RAM retention.
- Does the STM32L071V8T6 support real-time clock functionality? Yes, it includes a real-time clock and backup registers.
- What types of communication interfaces are available on the STM32L071V8T6? It supports up to three I2Cs, two SPIs, one I2S, four USARTs, and one low-power UART.
- How many I/Os does the STM32L071V8T6 have? It has up to 84 fast I/Os (78 I/Os 5V tolerant).
- What is the temperature range for the STM32L071V8T6? The operating temperature range is -40 to +125 °C.
- Does the STM32L071V8T6 have any analog features? Yes, it includes a 12-bit ADC with hardware oversampling and ultra-low-power comparators.
