Overview
The STM32L051C8T7 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L051x6/8 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 applications requiring efficient energy usage, reliable performance, and a small form factor. It features a comprehensive set of peripherals and interfaces, making it suitable for a wide range of applications, including embedded systems, IoT devices, and smart home appliances.
Key Specifications
| Specification | Details |
|---|---|
| Core Processor | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core |
| Operating Frequency | Up to 32 MHz |
| Program Memory Size | 64 kB Flash |
| RAM Size | 8 kB |
| EEPROM Size | 2 Kbytes |
| Supply Voltage | 1.65 V to 3.6 V |
| Operating Temperature | -40°C to +125°C |
| Number of I/Os | 37 |
| ADC Resolution | 12-bit |
| Package Type | LQFP 48 (7x7 mm) |
| Communication Interfaces | I²C, SPI, UART/USART, I²S |
| Timers | 3x 16-bit timers, 1x 16-bit ultra-low-power timer, 1x RTC, 1x SysTick, 2x watchdogs |
| Power Modes | Standby, Stop, Run |
| Power Consumption | 0.27 µA in Standby mode, 0.4 µA in Stop mode, 88 µA/MHz in Run mode |
Key Features
- Ultra-low-power platform: Offers low power consumption modes such as Standby, Stop, and Run, with minimal current draw in sleep modes.
- High-speed communication interfaces: Supports high-speed SPI and I²C communication, along with USART, UART, and I²S interfaces.
- Analog peripherals: Includes a 12-bit ADC, two ultra-low-power comparators, and a temperature sensor with alarm.
- Timers and watchdogs: Features multiple timers, including 16-bit timers, an ultra-low-power timer, an RTC, and two watchdogs.
- Memory and storage: Provides 64 KB of Flash memory, 8 KB of RAM, and 2 KB of data EEPROM.
- Security features: Includes secure boot, Flash memory protection, and a hardware watchdog with reset.
- Power management: Offers ultra-safe, low-power BOR (brownout reset), ultra-low-power POR/PDR, and programmable voltage detector (PVD).
Applications
- Embedded systems in automotive and industrial sectors: Suitable for applications requiring reliable and efficient operation in harsh environments.
- Semiconductor-based devices for IoT and wearables: Ideal for low-power communication devices and wearable technology due to its small form factor and low power consumption.
- Low-power communication devices and smart home appliances: Used in devices that require efficient energy usage and reliable performance.
- Aerospace and defense systems: Suitable for applications requiring high reliability and low power consumption.
Q & A
- What is the core processor of the STM32L051C8T7?
The core processor is the ARM® Cortex®-M0+ 32-bit RISC core.
- What is the maximum operating frequency of the STM32L051C8T7?
The maximum operating frequency is up to 32 MHz.
- How much Flash memory does the STM32L051C8T7 have?
The STM32L051C8T7 has 64 KB of Flash memory.
- What are the power supply voltage ranges for the STM32L051C8T7?
The power supply voltage ranges from 1.65 V to 3.6 V.
- What are the key analog peripherals of the STM32L051C8T7?
The key analog peripherals include a 12-bit ADC, two ultra-low-power comparators, and a temperature sensor with alarm.
- What communication interfaces does the STM32L051C8T7 support?
The STM32L051C8T7 supports I²C, SPI, UART/USART, and I²S interfaces.
- What are the power consumption modes of the STM32L051C8T7?
The power consumption modes include Standby, Stop, and Run, with minimal current draw in sleep modes.
- Does the STM32L051C8T7 have any security features?
Yes, it includes secure boot, Flash memory protection, and a hardware watchdog with reset.
- What is the operating temperature range of the STM32L051C8T7?
The operating temperature range is from -40°C to +125°C.
- What package types are available for the STM32L051C8T7?
The STM32L051C8T7 is available in LQFP 48 (7x7 mm) packages.
