Overview
The STM32L071C8T6TR 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 high power efficiency and is suitable for a wide range of applications requiring low power consumption.
The device features extensive memory options, including up to 192 Kbytes of Flash program memory, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM. It also includes a memory protection unit (MPU) and sector protection against read/write operations.
The STM32L071C8T6TR offers a comprehensive set of peripherals and interfaces, such as multiple timers, watchdogs, a real-time clock, and various communication interfaces like I2C, SPI, USART, and I2S.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm 32-bit Cortex-M0+ with MPU |
| Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to +125 °C |
| Flash Memory | Up to 192 Kbytes with ECC |
| RAM | 20 Kbytes |
| Data EEPROM | 6 Kbytes with ECC |
| Backup Register | 20 bytes |
| I/Os | Up to 84 fast I/Os (78 I/Os 5V tolerant) |
| Clock Sources | 1 to 25 MHz crystal oscillator, 32 kHz oscillator for RTC, high-speed internal 16 MHz RC, internal low-power 37 kHz RC, and more |
| Communication Interfaces | Up to three I2Cs, two SPIs, one I2S, four USARTs, one low-power UART (LPUART) |
| Timers | Four general-purpose 16-bit timers, one low-power timer (LPTIM), one RTC, one SysTick, and two watchdogs |
| Package | LQFP 48 7x7x1.4 mm |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, etc.)
- High-performance Arm Cortex-M0+ 32-bit RISC core
- Extensive range of enhanced I/Os and peripherals
- Rich analog peripherals including a 12-bit ADC, ultra-low-power comparators, and multiple timers
- Advanced communication interfaces such as I2C, SPI, USART, and I2S
- Real-time clock and backup registers
- Ultra-safe, low-power BOR (brownout reset) and PVD (programmable voltage detector)
- Support for serial wire debug and pre-programmed bootloader
- All packages are ECOPACK2 compliant
Applications
The STM32L071C8T6TR is suitable for a variety of low-power applications, including:
- Industrial automation and control systems
- IoT devices and smart home applications
- Medical devices requiring low power consumption
- Consumer electronics such as wearables and portable devices
- Automotive systems where low power is critical
Q & A
- What is the core architecture of the STM32L071C8T6TR?
The core architecture is based on the Arm 32-bit Cortex-M0+ with a memory protection unit (MPU).
- What is the operating frequency range of the STM32L071C8T6TR?
The operating frequency range is from 32 kHz up to 32 MHz.
- What is the power supply range for the STM32L071C8T6TR?
The power supply range is from 1.65 V to 3.6 V.
- What are the memory options available on the STM32L071C8T6TR?
The device features up to 192 Kbytes of Flash program memory, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM.
- What are the key analog peripherals of the STM32L071C8T6TR?
The key analog peripherals include a 12-bit ADC, two ultra-low-power comparators, and several timers.
- What communication interfaces are available on the STM32L071C8T6TR?
The device includes up to three I2Cs, two SPIs, one I2S, four USARTs, and one low-power UART (LPUART).
- What are the power-saving modes available on the STM32L071C8T6TR?
The device features multiple power-saving modes including Standby, Stop, and low-power modes like LPTIM.
- What is the temperature range for the STM32L071C8T6TR?
The operating temperature range is from -40 to +125 °C.
- What package options are available for the STM32L071C8T6TR?
The device is available in LQFP 48 7x7x1.4 mm packages.
- Is the STM32L071C8T6TR compliant with any environmental standards?
Yes, all packages are ECOPACK2 compliant.
- What development tools are supported for the STM32L071C8T6TR?
The device supports serial wire debug and includes a pre-programmed bootloader.
