Overview
The STM32L052C8T6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It features the high-performance Arm® Cortex®-M0+ 32-bit RISC core, operating at a maximum frequency of 32 MHz. This microcontroller is designed for energy-efficient operation, making it suitable for battery-operated devices and applications requiring low power consumption.
The device includes high-speed embedded memories such as 64 KB of Flash program memory, 8 KB of RAM, and 2 KB of data EEPROM, all with ECC (Error Correction Code). It also features a real-time clock, multiple timers, and various communication interfaces including USB 2.0 crystal-less, I2C, SPI, USART, and I2S.
The STM32L052C8T6 operates from a 1.65 to 3.6 V power supply and is available in a 48-pin LQFP package, with a temperature range of -40 to 85 °C. Its comprehensive set of power-saving modes and robust analog peripherals make it an ideal choice for a wide range of applications, including IoT devices, consumer electronics, and industrial control systems.
Key Specifications
| Specification | Value |
|---|---|
| Core Processor | Arm® Cortex®-M0+ |
| Maximum Clock Frequency | 32 MHz |
| Flash Memory | 64 KB with ECC |
| RAM | 8 KB |
| EEPROM | 2 KB with ECC |
| Backup Register | 20 bytes |
| Power Supply Voltage | 1.65 V to 3.6 V |
| Operating Temperature | -40 °C to 85 °C |
| Package Type | 48-pin LQFP (7x7 mm) |
| Number of I/Os | 37 (high current) |
| Analog to Digital Converter (ADC) | 1 x 12-bit, up to 16 channels |
| Digital to Analog Converter (DAC) | 1 x 12-bit |
| Comparators | 2 ultra-low-power comparators |
| Timers | 3 x 16-bit general-purpose timers, 1 x 16-bit ultra-low-power timer, 1 x RTC, 1 x SysTick, 2 x watchdogs |
| Communication Interfaces | USB 2.0 crystal-less, 2 x I2C, 2 x SPI, 1 x I2S, 2 x USART, 1 x low-power UART (LPUART) |
Key Features
- Ultra-Low Power Consumption: The STM32L052C8T6 features multiple power-saving modes, including Standby, Stop, and Sleep modes, ensuring low power consumption for battery-operated devices.
- High-Performance Core: The Arm® Cortex®-M0+ core provides high computing performance with low power consumption.
- Advanced Analog Peripherals: Includes a 12-bit ADC with hardware oversampling, a 12-bit DAC, and two ultra-low-power comparators.
- Extensive Communication Interfaces: Supports USB 2.0 crystal-less, I2C, SPI, I2S, USART, and a low-power UART.
- Real-Time Clock and Backup Registers: Features a real-time clock and a set of backup registers that remain powered in Standby mode.
- Capacitive Sensing: Up to 24 capacitive sensing channels for touch sensing functionality.
- Development Support: Includes a pre-programmed bootloader and supports serial wire debug.
Applications
- IoT Devices: Ideal for Internet of Things (IoT) applications due to its low power consumption and robust communication interfaces.
- Consumer Electronics: Suitable for consumer electronics requiring high performance and low power consumption.
- Industrial Control Systems: Used in industrial control systems where reliability and low power consumption are critical.
- Medical Devices: Can be used in medical devices that require precise analog measurements and low power operation.
- Automotive Systems: Applicable in automotive systems where robustness and low power consumption are essential.
Q & A
- What is the maximum clock frequency of the STM32L052C8T6?
The maximum clock frequency is 32 MHz.
- What is the power supply voltage range for the STM32L052C8T6?
The power supply voltage range is from 1.65 V to 3.6 V.
- What types of communication interfaces does the STM32L052C8T6 support?
The device supports USB 2.0 crystal-less, I2C, SPI, I2S, USART, and a low-power UART.
- How much Flash memory does the STM32L052C8T6 have?
The device has 64 KB of Flash memory with ECC.
- What is the operating temperature range of the STM32L052C8T6?
The operating temperature range is from -40 °C to 85 °C.
- Does the STM32L052C8T6 have a real-time clock?
Yes, it features a real-time clock and a set of backup registers.
- How many I/Os does the STM32L052C8T6 have?
The device has 37 high-current I/Os.
- What types of timers are available on the STM32L052C8T6?
The device includes 3 x 16-bit general-purpose timers, 1 x 16-bit ultra-low-power timer, 1 x RTC, 1 x SysTick, and 2 x watchdogs.
- Does the STM32L052C8T6 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What package type is the STM32L052C8T6 available in?
The device is available in a 48-pin LQFP package (7x7 mm).
