Overview
The STM32L052R8T6 is a highly efficient and ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. This device is based on the Arm® Cortex®-M0+ core and is designed to provide a balance between performance and power consumption. It is particularly suited for applications requiring low energy usage and high reliability.
Key Specifications
| Specification | Details |
|---|---|
| Manufacturer | STMicroelectronics |
| Type of Integrated Circuit | STM32 ARM Microcontroller |
| Core Architecture | Arm® Cortex®-M0+ |
| Clock Frequency | Up to 32 MHz |
| Memory | 64 KB Flash, 8 KB SRAM, 2 KB EEPROM |
| Number of Inputs/Outputs | Up to 51 fast I/Os (45 I/Os 5V tolerant) |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to 125 °C |
| Package Type | LQFP64 |
| Low-Power Modes | Standby: 0.27 µA, Stop: 0.4 µA, Stop + RTC + RAM retention: 0.8 µA |
| Wakeup Time | 3.5 µs from RAM, 5 µs from Flash memory |
Key Features
- Ultra-low-power platform with advanced power-saving modes.
- Arm® 32-bit Cortex®-M0+ core with MPU, up to 32 MHz.
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators.
- Up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- 7-channel DMA controller supporting ADC, SPI, I2C, USART, DAC, and timers.
- Multiple communication interfaces: USB 2.0, USART, SPI, I2C.
- 9 timers including 16-bit timers, low-power timer, SysTick, and RTC.
- CRC calculation unit, 96-bit unique ID, true RNG, and firewall protection.
Applications
- IoT devices requiring low power consumption.
- Industrial automation and control systems.
- Medical devices and healthcare equipment.
- Consumer electronics such as smart home devices and wearables.
- Automotive systems, especially those requiring low power and high reliability.
Q & A
- What is the core architecture of the STM32L052R8T6?
The core architecture is based on the Arm® Cortex®-M0+.
- What is the maximum clock frequency of the STM32L052R8T6?
The maximum clock frequency is up to 32 MHz.
- What are the memory specifications of the STM32L052R8T6?
The device has 64 KB Flash memory, 8 KB SRAM, and 2 KB EEPROM.
- What is the power supply range for the STM32L052R8T6?
The power supply range is from 1.65 V to 3.6 V.
- What are the low-power modes available in the STM32L052R8T6?
The device features Standby, Stop, and Stop + RTC + RAM retention modes with very low current consumption.
- What are the key analog peripherals of the STM32L052R8T6?
The device includes a 12-bit ADC, a 12-bit DAC, and ultra-low-power comparators.
- How many communication interfaces does the STM32L052R8T6 support?
The device supports multiple interfaces including USB 2.0, USART, SPI, and I2C.
- What is the temperature range for the STM32L052R8T6?
The operating temperature range is from -40 to 125 °C.
- What package types are available for the STM32L052R8T6?
The device is available in LQFP64 package among others.
- Does the STM32L052R8T6 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
