Overview
The STM32L031F4P6 is a member of the STM32L031x4/6 family of ultra-low-power microcontrollers from STMicroelectronics. This device is based on the high-performance ARM® Cortex®-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. It is designed to provide high power efficiency and is suitable for a wide range of applications requiring low power consumption.
The STM32L031F4P6 features high-speed embedded memories, including up to 32 Kbytes of Flash program memory, 8 Kbytes of RAM, and 1 Kbyte of data EEPROM. The device also includes an extensive range of enhanced I/Os and peripherals, making it versatile for various use cases.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® 32-bit Cortex®-M0+ |
| Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to 125 °C |
| Low-Power Modes | 0.25 μA Standby mode (2 wakeup pins), 0.38 μA Stop mode (16 wakeup lines), 0.68 μA Stop mode + RTC + 8 KB RAM retention |
| Current Consumption in Run Mode | Down to 76 μA/MHz |
| Wakeup Time | 5 μs from Flash memory |
| ADC Conversion | 41 μA at 10 ksps |
| Memories | Up to 32 KB Flash, 8 KB RAM, 1 KB data EEPROM |
| Communication Interfaces | 1x USART, 1x UART (low power), 1x SPI, 1x I2C |
| Timers | 8x timers including 1x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC, and 2x watchdogs |
| Package | TSSOP-20 |
Key Features
- Ultra-Low-Power Platform: Optimized for low power consumption with various low-power modes.
- High-Performance Core: ARM® 32-bit Cortex®-M0+ core operating at up to 32 MHz.
- Enhanced I/Os and Peripherals: Includes a range of analog and digital peripherals such as 12-bit ADC, ultra-low-power comparators, timers, and communication interfaces.
- Memory and Storage: Up to 32 KB Flash, 8 KB RAM, and 1 KB data EEPROM.
- Communication Interfaces: Supports USART, UART (low power), SPI, and I2C.
- Development Support: Serial wire debug supported and pre-programmed bootloader.
- Power Management: Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds and programmable voltage detector (PVD).
Applications
- IoT Devices: Suitable for Internet of Things (IoT) applications requiring low power consumption.
- Industrial Automation: Can be used in industrial automation systems where low power and high reliability are crucial.
- Medical Devices: Applicable in medical devices that require low power consumption and high performance.
- Consumer Electronics: Ideal for consumer electronics such as wearables, smart home devices, and other battery-powered devices.
- Automotive Systems: Can be integrated into automotive systems for various control and monitoring functions.
Q & A
- What is the core architecture of the STM32L031F4P6?
The STM32L031F4P6 is based on the ARM® 32-bit Cortex®-M0+ core.
- What is the operating frequency of the STM32L031F4P6?
The device operates at a frequency of up to 32 MHz.
- What is the power supply range for the STM32L031F4P6?
The device operates from a power supply of 1.65 V to 3.6 V.
- What are the low-power modes available in the STM32L031F4P6?
The device features Standby mode (0.25 μA), Stop mode (0.38 μA), and Stop mode + RTC + 8 KB RAM retention (0.68 μA).
- What is the current consumption in Run mode for the STM32L031F4P6?
The current consumption in Run mode is down to 76 μA/MHz.
- What is the wakeup time from Flash memory for the STM32L031F4P6?
The wakeup time from Flash memory is 5 μs.
- What communication interfaces are supported by the STM32L031F4P6?
The device supports USART, UART (low power), SPI, and I2C.
- What types of timers are available in the STM32L031F4P6?
The device includes 8x timers: 1x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC, and 2x watchdogs.
- What is the package type for the STM32L031F4P6?
The device is available in a TSSOP-20 package.
- Is the STM32L031F4P6 RoHS compliant?
