Overview
The STM32L053R8T6 is an ultra-low-power microcontroller from STMicroelectronics, based on the Arm® Cortex®-M0+ 32-bit RISC core. This device is part of the STM32L0 series, known for its high performance and power efficiency. It operates at a frequency of up to 32 MHz and features a wide range of enhanced I/Os and peripherals, making it suitable for various applications requiring low power consumption and high functionality.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M0+ |
| Operating Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 °C to 125 °C |
| Flash Memory | Up to 64 Kbytes |
| SRAM | 8 Kbytes |
| EEPROM | 2 Kbytes |
| Low-Power Modes | Standby: 0.27 µA, Stop: 0.4 µA, Stop + RTC + 8-Kbyte RAM retention: 0.8 µA |
| Wakeup Time | 3.5 µs from RAM, 5 µs from Flash memory |
| Peripheral Interfaces | USB 2.0 crystal-less, 2x USART, 2x SPI, 2x I2C, 1x LPUART, 1x I2S |
| Analog Peripherals | 12-bit ADC, 12-bit DAC, 2x ultra-low-power comparators |
| Timers | 9 timers including 16-bit and 32-bit timers, RTC, SysTick, and watchdogs |
| Capacitive Sensing Channels | Up to 24 channels |
| LCD Controller | Supports up to 8x28 segments, contrast adjustment, and blinking mode |
Key Features
- Ultra-Low Power Consumption: Features multiple low-power modes including Standby, Stop, and Sleep modes to minimize energy usage.
- High-Performance Core: Arm® Cortex®-M0+ core operating at up to 32 MHz.
- Advanced Peripherals: Includes USB 2.0, SPI, I2C, USART, and I2S interfaces, along with a 12-bit ADC and DAC.
- Capacitive Sensing: Supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- LCD Controller: Built-in LCD controller with contrast adjustment and blinking mode.
- Real-Time Clock (RTC): With backup registers that remain powered in Standby mode.
- Development Support: Serial wire debug supported and pre-programmed bootloader for USART and SPI.
Applications
- IoT Devices: Suitable for Internet of Things applications requiring low power consumption and high functionality.
- Industrial Automation: Can be used in industrial control systems, sensors, and actuators.
- Consumer Electronics: Ideal for battery-powered devices such as smart home devices, wearables, and portable electronics.
- Medical Devices: Applicable in medical devices that require low power and high precision.
- Automotive Systems: Can be integrated into automotive systems for various control and monitoring functions.
Q & A
- What is the operating voltage range of the STM32L053R8T6?
The operating voltage range is from 1.65 V to 3.6 V.
- What is the maximum operating frequency of the STM32L053R8T6?
The maximum operating frequency is up to 32 MHz.
- What types of low-power modes does the STM32L053R8T6 support?
The device supports Standby, Stop, and Sleep modes with various wakeup options.
- What is the memory configuration of the STM32L053R8T6?
The device has up to 64 Kbytes of Flash memory, 8 Kbytes of SRAM, and 2 Kbytes of EEPROM.
- Does the STM32L053R8T6 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What types of communication interfaces are available on the STM32L053R8T6?
The device includes USB 2.0, SPI, I2C, USART, and I2S interfaces.
- Is the STM32L053R8T6 suitable for LCD applications?
Yes, it has a built-in LCD controller supporting up to 8x28 segments with contrast adjustment and blinking mode.
- What is the temperature range of the STM32L053R8T6?
The operating temperature range is from -40 °C to 125 °C.
- Does the STM32L053R8T6 have a real-time clock?
Yes, it includes a real-time clock with backup registers.
- What development tools are supported by the STM32L053R8T6?
The device supports serial wire debug and has a pre-programmed bootloader for USART and SPI.
