Overview
The STM32L071KBT6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It is based on the Arm Cortex-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. This microcontroller is designed to provide high power efficiency and is suitable for a wide range of applications, particularly those requiring low power consumption such as battery-powered devices and energy harvesting systems.
The device features a comprehensive set of peripherals and communication interfaces, making it versatile for various use cases. It includes high-speed embedded memories, multiple timers, and advanced analog features, all of which contribute to its robust and reliable performance.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm Cortex-M0+ 32-bit RISC core |
| Operating Frequency | Up to 32 MHz |
| Flash Memory | Up to 192 Kbytes with ECC (2 banks with read-while-write capability) |
| RAM | 20 Kbytes |
| EEPROM | 6 Kbytes with ECC |
| Backup Register | 20 bytes |
| Power Supply | 1.65 V to 3.6 V (down to 1.65 V at power down) |
| Operating Temperature | -40°C to +125°C |
| Package Type | 48-LQFP (7x7 mm) |
| Number of I/Os | Up to 84 fast I/Os (78 I/Os 5V tolerant) |
| 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 three I2Cs, two SPIs, one I2S, four USARTs, one low-power UART (LPUART) |
| Analog Features | One 12-bit ADC with hardware oversampling, two ultra-low-power comparators |
Key Features
- Ultra-low-power platform with multiple power-saving modes, including Standby, Stop, and Run modes.
- High-speed embedded memories: up to 192 Kbytes of Flash program memory, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM.
- Advanced analog features: one 12-bit ADC with hardware oversampling, two ultra-low-power comparators.
- Extensive range of peripherals: timers (including low-power timer and RTC), watchdogs, DMA controller, and CRC calculation unit.
- Flexible communication interfaces: up to three I2Cs, two SPIs, one I2S, four USARTs, and one low-power UART (LPUART).
- Low-power BOR (brownout reset) with 5 selectable thresholds and ultra-low-power POR/PDR.
- Internal voltage adaptation and several low-power modes.
- 96-bit unique ID and ECOPACK2 compliant packages.
Applications
- Battery-powered devices: The ultra-low-power features make it ideal for applications where power consumption is critical.
- Energy harvesting systems: Suitable for systems that rely on energy harvesting due to its low power requirements.
- IoT devices: The device's low power consumption and comprehensive set of peripherals make it a good fit for IoT applications.
- Industrial automation: Can be used in various industrial automation applications due to its robust and reliable performance.
- Consumer electronics: Suitable for a wide range of consumer electronics that require low power and high performance.
Q & A
- What is the core architecture of the STM32L071KBT6TR?
The STM32L071KBT6TR is based on the Arm Cortex-M0+ 32-bit RISC core.
- What is the maximum operating frequency of the STM32L071KBT6TR?
The maximum operating frequency is up to 32 MHz.
- What are the memory specifications of the STM32L071KBT6TR?
It features up to 192 Kbytes of Flash memory, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM.
- What is the power supply range for the STM32L071KBT6TR?
The power supply range is from 1.65 V to 3.6 V.
- What are the key analog features of the STM32L071KBT6TR?
It includes one 12-bit ADC with hardware oversampling and two ultra-low-power comparators.
- What communication interfaces are available on the STM32L071KBT6TR?
The device supports 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 STM32L071KBT6TR?
The device features multiple power-saving modes including Standby, Stop, and Run modes.
- What is the operating temperature range for the STM32L071KBT6TR?
The operating temperature range is from -40°C to +125°C.
- What package type is the STM32L071KBT6TR available in?
The device is available in a 48-LQFP (7x7 mm) package.
- Is the STM32L071KBT6TR ECOPACK2 compliant?
- What are some typical applications for the STM32L071KBT6TR?
