Overview
The STM32L031C4T6 is a member of the STM32L031 series, an ultra-low-power microcontroller family from STMicroelectronics. This device is based on the Arm® 32-bit Cortex®-M0+ core and is designed to offer high performance and low power consumption, making it ideal for battery-powered applications in consumer electronics and industrial automation.
The STM32L031C4T6 features a comprehensive set of peripherals and communication interfaces, ensuring flexibility and cost-effectiveness for a wide range of embedded system designs.
Key Specifications
| Specification | Value |
|---|---|
| Core | Arm® 32-bit Cortex®-M0+ |
| Flash Memory | Up to 32 KB with ECC |
| SRAM | 8 KB |
| EEPROM | 1 KB with ECC |
| Maximum Clock Frequency | 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to 125 °C |
| ADC Resolution | 12-bit up to 10 channels |
| Number of I/Os | Up to 38 fast I/Os (31 I/Os 5V tolerant) |
| Standby Mode Current | 0.25 µA (2 wakeup pins) |
| Stop Mode Current | 0.38 µA (16 wakeup lines) |
| Package | LQFP-48 |
Key Features
- Ultra-low-power platform: Features low power modes such as Standby and Stop modes, with currents as low as 0.25 µA and 0.38 µA respectively.
- Advanced Peripherals: Includes 12-bit ADC, ultra-low-power comparators, 7-channel DMA controller, and multiple communication interfaces like USART, SPI, I2C, and UART.
- Clock Sources: Supports various clock sources including a high-speed internal 16 MHz RC oscillator, 32 kHz oscillator for RTC, and PLL for CPU clock.
- Reset and Supply Management: Features ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds and programmable voltage detector (PVD).
- Development Support: Includes serial wire debug support and a pre-programmed bootloader.
- Memory Protection: Offers sector protection against R/W operation and a 96-bit unique ID.
Applications
The STM32L031C4T6 is suitable for a variety of applications, including:
- Battery-Powered Devices: Ideal for devices requiring long battery life due to its ultra-low power consumption.
- Consumer Electronics: Suitable for applications such as smart home devices, wearables, and portable electronics.
- Industrial Automation: Used in industrial control systems, sensors, and other automation equipment where low power and reliability are crucial.
- Internet of Things (IoT): Perfect for IoT applications that require efficient processing, low power consumption, and compact form factors.
Q & A
- What is the core architecture of the STM32L031C4T6?
The STM32L031C4T6 is based on the Arm® 32-bit Cortex®-M0+ core.
- What is the maximum clock frequency of the STM32L031C4T6?
The maximum clock frequency is 32 MHz.
- What is the power supply range for the STM32L031C4T6?
The power supply range is from 1.65 V to 3.6 V.
- What is the temperature range for the STM32L031C4T6?
The temperature range is from -40 to 125 °C.
- What is the resolution of the ADC in the STM32L031C4T6?
The ADC resolution is 12-bit, with up to 10 channels.
- How many I/Os does the STM32L031C4T6 have?
The device has up to 38 fast I/Os, with 31 I/Os being 5V tolerant.
- What are the low power modes available in the STM32L031C4T6?
The device features Standby and Stop modes, with currents as low as 0.25 µA and 0.38 µA respectively.
- Does the STM32L031C4T6 support serial wire debug?
Yes, it supports serial wire debug.
- What communication interfaces are available on the STM32L031C4T6?
The device includes USART, SPI, I2C, and UART interfaces.
- What is the package type for the STM32L031C4T6?
The package type is LQFP-48.
