Overview
The STM32L031K6T7 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 STM32L031K6T7 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, such as analog features, timers, and communication interfaces.
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 (down to 1.65 V at power down) |
| Temperature Range | -40 to 125 °C |
| Flash Memory | Up to 32 Kbytes with ECC |
| RAM | 8 Kbytes |
| Data EEPROM | 1 Kbyte with ECC |
| Backup Register | 20 bytes |
| ADC | 12-bit, up to 10 channels |
| Comparators | 2 ultra-low-power comparators |
| Timers | 3 general-purpose 16-bit timers, 1 low-power timer, 1 RTC, 1 SysTick, and 2 watchdogs |
| Communication Interfaces | 1 I2C, 1 SPI, 1 USART, and 1 low-power UART (LPUART) |
| Package | LQFP 32 7x7x1.4 mm or UFQFPN 32 5x5x0.55 mm |
| Low-Power Modes | Standby mode: 0.25 μA (2 wakeup pins), Stop mode: 0.38 μA (16 wakeup lines), Stop mode + RTC + 8 KB RAM retention: 0.68 μA |
Key Features
- Ultra-low-power platform with multiple power-saving modes
- High-performance ARM® Cortex®-M0+ core operating at up to 32 MHz
- High-speed embedded memories: up to 32 Kbytes of Flash, 8 Kbytes of RAM, and 1 Kbyte of data EEPROM
- Rich analog peripherals: 12-bit ADC, ultra-low-power comparators, and multiple timers
- Advanced communication interfaces: I2C, SPI, USART, and low-power UART
- Real-time clock and backup registers that remain powered in Standby mode
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds and ultralow power POR/PDR
- Programmable voltage detector (PVD) and clock sources including crystal oscillators and internal RC oscillators
- Development support with serial wire debug and pre-programmed bootloader
- Up to 38 fast I/Os (31 I/Os 5V tolerant)
Applications
The STM32L031K6T7 is suitable for a variety of low-power applications, including:
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring low power and high reliability
- IoT devices and sensor networks
Q & A
- What is the core architecture of the STM32L031K6T7?
The STM32L031K6T7 is based on the ARM® Cortex®-M0+ 32-bit RISC core.
- What is the operating frequency of the STM32L031K6T7?
The device operates at a frequency of up to 32 MHz.
- What are the power supply requirements for the STM32L031K6T7?
The device operates from a 1.65 V to 3.6 V power supply.
- What are the low-power modes available on the STM32L031K6T7?
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 types of communication interfaces are available on the STM32L031K6T7?
The device includes I2C, SPI, USART, and low-power UART (LPUART) interfaces.
- What is the temperature range for the STM32L031K6T7?
The device operates in the -40 to 125 °C temperature range.
- What types of timers are available on the STM32L031K6T7?
The device includes three general-purpose 16-bit timers, one low-power timer, one RTC, one SysTick, and two watchdogs.
- Does the STM32L031K6T7 support real-time clock functionality?
Yes, the device includes a real-time clock and backup registers that remain powered in Standby mode.
- What are the package options for the STM32L031K6T7?
The device is available in LQFP 32 7x7x1.4 mm and UFQFPN 32 5x5x0.55 mm packages.
- Is the STM32L031K6T7 RoHS compliant?
Yes, the device is RoHS compliant and comes in ECOPACK®2 packages.
- What development tools are available for the STM32L031K6T7?
The device supports serial wire debug and includes a pre-programmed bootloader for development.
