Overview
The STM32L051C6T6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It features the high-performance Arm® 32-bit Cortex®-M0+ core, operating at a frequency of up to 32 MHz. This microcontroller is designed for applications requiring high power efficiency and a wide range of performance capabilities. It includes advanced power-saving modes, extensive I/Os, and a variety of peripherals, making it suitable for a broad spectrum of low-power applications.
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 |
| Temperature Range | -40 to 125 °C |
| Flash Memory | Up to 64 Kbytes with ECC |
| RAM | 8 Kbytes |
| Data EEPROM | 2 Kbytes with ECC |
| Backup Register | 20 bytes |
| I/Os | Up to 51 fast I/Os (45 I/Os 5V tolerant) |
| Clock Sources | 1 to 25 MHz crystal oscillator, 32 kHz oscillator for RTC, internal 16 MHz RC, internal low-power 37 kHz RC, internal multispeed low-power 65 kHz to 4.2 MHz RC |
| Analog Peripherals | 12-bit ADC up to 16 channels, 2 ultra-low-power comparators |
| Communication Interfaces | 2x USART, 1x UART (low power), up to 4x SPI, 2x I2C (SMBus/PMBus) |
| Timers | 9 timers including 1x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC |
| Package | LQFP 48 (7x7x1.4 mm), UFQFPN 48 (7x7x0.55 mm) |
Key Features
- Ultra-low-power platform with multiple power-saving modes: 0.27 µA Standby mode, 0.4 µA Stop mode, 0.8 µA Stop mode + RTC + 8-Kbyte RAM retention, and 88 µA/MHz in Run mode.
- High-performance Arm® 32-bit Cortex®-M0+ core with MPU, operating at up to 32 MHz.
- Extensive I/Os and peripherals, including 12-bit ADC, ultra-low-power comparators, and various timers.
- Rich communication interfaces: USART, SPI, I2C, and low-power UART.
- Internal voltage adaptation and several clock sources for flexible operation.
- Ultra-safe, low-power BOR (brownout reset) and programmable voltage detector (PVD).
- Pre-programmed bootloader and serial wire debug support for development.
Applications
The STM32L051C6T6 is suitable for a wide range 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 STM32L051C6T6?
The STM32L051C6T6 features the Arm® 32-bit Cortex®-M0+ core with an MPU.
- What is the operating frequency range of the STM32L051C6T6?
The operating frequency range is up to 32 MHz.
- What is the power supply voltage range for the STM32L051C6T6?
The power supply voltage range is from 1.65 V to 3.6 V.
- What are the key power-saving modes of the STM32L051C6T6?
The key power-saving modes include Standby mode (0.27 µA), Stop mode (0.4 µA), and Stop mode + RTC + 8-Kbyte RAM retention (0.8 µA).
- What types of memory does the STM32L051C6T6 have?
The STM32L051C6T6 has up to 64 Kbytes of Flash memory, 8 Kbytes of RAM, and 2 Kbytes of data EEPROM.
- What are the main analog peripherals of the STM32L051C6T6?
The main analog peripherals include a 12-bit ADC and two ultra-low-power comparators.
- What communication interfaces are available on the STM32L051C6T6?
The available communication interfaces include USART, SPI, I2C, and a low-power UART.
- What are the package options for the STM32L051C6T6?
The package options include LQFP 48 (7x7x1.4 mm) and UFQFPN 48 (7x7x0.55 mm).
- What is the temperature range for the STM32L051C6T6?
The operating temperature range is from -40 to 125 °C.
- Does the STM32L051C6T6 support serial wire debug?
