Overview
The STM32L051C8T6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L051x8 series. 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 is suitable for a wide range of low-power applications. It includes a memory protection unit (MPU), high-speed embedded memories, and an extensive range of enhanced I/Os and peripherals.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm Cortex-M0+ 32-bit RISC core |
| Operating Frequency | Up to 32 MHz |
| Flash Memory | Up to 64 Kbytes with ECC |
| RAM | 8 Kbytes |
| Data EEPROM | 2 Kbytes with ECC |
| Backup Register | 20 bytes |
| Power Supply | 1.65 V to 3.6 V |
| Operating Temperature | -40 to +125 °C |
| Low-Power Modes | Standby: 0.27 µA, Stop: 0.4 µA, Stop + RTC + RAM retention: 0.8 µA |
| Timers | 9 timers including 16-bit, ultra-low-power timer, SysTick, RTC, and watchdogs |
| Analog Peripherals | 12-bit ADC, 2 ultra-low-power comparators |
| Communication Interfaces | 2 USART, 1 LPUART, up to 4 SPI, 2 I2C, 1 I2S |
| I/Os | Up to 51 fast I/Os (45 I/Os 5V tolerant) |
Key Features
- Ultra-low-power platform with multiple power-saving modes.
- High-performance Arm Cortex-M0+ 32-bit RISC core.
- High-speed embedded memories: 64 Kbytes of Flash, 8 Kbytes of RAM, and 2 Kbytes of data EEPROM.
- Extensive range of enhanced I/Os and peripherals.
- Rich analog peripherals including a 12-bit ADC and two ultra-low-power comparators.
- Multiple communication interfaces: USART, SPI, I2C, I2S, and LPUART.
- Internal voltage adaptation and several low-power modes.
- Real-time clock and backup registers that remain powered in Standby mode.
- Ultra-safe, low-power BOR (brownout reset) and programmable voltage detector (PVD).
Applications
- Low-power IoT devices.
- Smart home automation.
- Industrial control systems.
- Medical devices requiring low power consumption.
- Wearable electronics.
- Energy harvesting applications.
Q & A
- What is the core architecture of the STM32L051C8T6?
The STM32L051C8T6 features the Arm Cortex-M0+ 32-bit RISC core.
- What is the maximum operating frequency of the STM32L051C8T6?
The maximum operating frequency is up to 32 MHz.
- What are the memory specifications of the STM32L051C8T6?
The device includes up to 64 Kbytes of Flash memory, 8 Kbytes of RAM, and 2 Kbytes of data EEPROM.
- What is the power supply range for the STM32L051C8T6?
The power supply range is from 1.65 V to 3.6 V.
- What are the low-power modes available on the STM32L051C8T6?
The device features Standby, Stop, and Stop + RTC + RAM retention modes with respective current consumptions.
- What analog peripherals are included in the STM32L051C8T6?
The device includes a 12-bit ADC and two ultra-low-power comparators.
- What communication interfaces are available on the STM32L051C8T6?
The device supports USART, SPI, I2C, I2S, and LPUART interfaces.
- What is the operating temperature range for the STM32L051C8T6?
The operating temperature range is from -40 to +125 °C.
- Does the STM32L051C8T6 have a real-time clock?
Yes, the device includes a real-time clock (RTC).
- What are some typical applications for the STM32L051C8T6?
Typical applications include low-power IoT devices, smart home automation, industrial control systems, medical devices, and wearable electronics.
