Overview
The STM32L052C6T6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L052x6/8 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 includes a range of enhanced I/Os and peripherals. It supports a wide voltage range from 1.65 V to 3.6 V and operates within a temperature range of -40 to 125 °C. The device is equipped with various power-saving modes, including Standby, Stop, and low-power Run modes, making it ideal for battery-powered and low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M0+ with MPU |
| Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to 125 °C |
| Flash Memory | Up to 64 KB with ECC |
| RAM | 8 KB |
| EEPROM | 2 KB with ECC |
| Backup Register | 20 bytes |
| ADC | 12-bit, 1.14 Msps, up to 16 channels |
| DAC | 12-bit, 1 channel with output buffers |
| Comparators | 2 ultra-low-power comparators |
| Timers | 9 timers including 16-bit, ultra-low-power, SysTick, RTC, and watchdogs |
| Communication Interfaces | USB 2.0 crystal-less, 2x USART, 1x UART (low power), up to 4x SPI, 2x I2C |
| Capacitive Sensing Channels | Up to 24 channels |
| Power Consumption | 0.27 μA Standby mode, 0.4 μA Stop mode, 88 μA/MHz in Run mode |
| Wakeup Time | 3.5 μs from RAM, 5 μs from Flash memory |
| Package | LQFP 48 7x7x1.4 mm |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Run)
- High-performance Arm® Cortex®-M0+ 32-bit RISC core
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Extensive range of communication interfaces: USB 2.0 crystal-less, USART, UART, SPI, I2C
- Up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors
- 7-channel DMA controller supporting ADC, SPI, I2C, USART, DAC, Timers
- Multiple timers: 16-bit, ultra-low-power, SysTick, RTC, and watchdogs
- CRC calculation unit, 96-bit unique ID, True RNG, and firewall protection
- Ultra-safe, low-power BOR with 5 selectable thresholds and programmable voltage detector (PVD)
- Internal and external clock sources including crystal oscillators and internal RC oscillators
Applications
- Battery-powered devices and low-power applications
- IoT devices requiring low energy consumption
- Industrial automation and control systems
- Consumer electronics such as smart home devices and wearables
- Medical devices and healthcare equipment
- Automotive systems requiring low power and high reliability
Q & A
- What is the core architecture of the STM32L052C6T6?
The STM32L052C6T6 features the Arm® 32-bit Cortex®-M0+ RISC core.
- What is the operating voltage range of the STM32L052C6T6?
The device operates from 1.65 V to 3.6 V.
- What are the power consumption modes of the STM32L052C6T6?
The device has Standby, Stop, and Run modes with respective power consumptions of 0.27 μA, 0.4 μA, and 88 μA/MHz.
- What analog peripherals are available on the STM32L052C6T6?
The device includes a 12-bit ADC, a 12-bit DAC, and two ultra-low-power comparators.
- What communication interfaces does the STM32L052C6T6 support?
The device supports USB 2.0 crystal-less, USART, UART, SPI, and I2C interfaces.
- How many capacitive sensing channels does the STM32L052C6T6 have?
The device supports up to 24 capacitive sensing channels.
- What is the maximum frequency of the internal clock?
The internal clock can operate up to 32 MHz.
- Does the STM32L052C6T6 have any security features?
Yes, it includes a CRC calculation unit, 96-bit unique ID, True RNG, and firewall protection.
- What is the package type of the STM32L052C6T6?
The device is available in LQFP 48 7x7x1.4 mm package.
- What is the temperature range of the STM32L052C6T6?
The device operates within a temperature range of -40 to 125 °C.
- Does the STM32L052C6T6 support any development tools?
Yes, it supports serial wire debug and pre-programmed bootloader.
