Overview
The STM32F031K4U6 is a 32-bit microcontroller from STMicroelectronics, part of the STM32F031x4/x6 series. It features the high-performance ARM® 32-bit Cortex®-M0 CPU, operating at frequencies up to 48 MHz. This microcontroller is equipped with high-speed embedded memories, including up to 16 Kbytes of Flash memory and 4 Kbytes of SRAM with hardware parity. It also includes a CRC calculation unit, reset and power management capabilities, and an extensive range of enhanced peripherals and I/Os.
The device operates within a temperature range of -40 to +85 °C and is powered by a 2.0 to 3.6 V supply. It offers various power-saving modes, making it suitable for low-power applications. The STM32F031K4U6 is available in a 32-pin UFQFPN package and is RoHS compliant, meeting the ECOPACK®2 standards.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® 32-bit Cortex®-M0 CPU, up to 48 MHz |
| Memories | 16 to 32 Kbytes of Flash memory, 4 Kbytes of SRAM with HW parity |
| CRC Calculation Unit | Yes |
| Reset and Power Management | Digital and I/Os supply: 2.0 to 3.6 V, Analog supply: VDDA = from VDD to 3.6 V, Power-on/Power-down reset (POR/PDR), Programmable voltage detector (PVD) |
| Low Power Modes | Sleep, Stop, and Standby |
| Clock Management | 4 to 32 MHz crystal oscillator, 32 kHz oscillator for RTC with calibration, Internal 8 MHz RC with x6 PLL option, Internal 40 kHz RC oscillator |
| I/Os | Up to 39 fast I/Os, Up to 26 I/Os with 5 V tolerant capability |
| ADC | 1 × 12-bit, 1.0 μs ADC (up to 10 channels) |
| Timers | 9 timers including 1 × 32-bit and multiple 16-bit timers |
| Communication Interfaces | 1 × I²C, 1 × USART, 1 × SPI (18 Mbit/s) with I²S interface multiplexed |
| Operating Temperature | -40 to +85 °C |
| Package | 32-pin UFQFPN (5x5 mm) |
Key Features
- High-Performance Core: ARM® 32-bit Cortex®-M0 CPU with a frequency up to 48 MHz.
- Memory and Storage: Up to 16 Kbytes of Flash memory and 4 Kbytes of SRAM with hardware parity.
- Power Management: Low power modes including Sleep, Stop, and Standby, with VBAT supply for RTC and backup registers.
- Clock Management: Multiple clock sources including crystal oscillators, internal RC oscillators, and a PLL option.
- Analog and Digital Peripherals: 1 × 12-bit ADC, multiple timers, and a range of communication interfaces (I²C, USART, SPI/I²S).
- Extended Temperature Range: Operates from -40 to +85 °C and up to +105 °C for some models.
- ECOPACK®2 Compliance: All packages are RoHS compliant and meet ECOPACK®2 standards.
Applications
- Consumer Electronics: Suitable for application control, user interfaces, hand-held equipment, A/V receivers, and digital TV.
- Industrial Applications: Used in PLCs, inverters, printers, scanners, alarm systems, video intercoms, and HVAC systems.
- Automotive Applications: Applicable in various automotive systems due to its robust and reliable performance.
- Internet of Things (IoT) Devices: Ideal for IoT applications requiring low power consumption and high system integration.
- Gaming and GPS Platforms: Suitable for gaming devices and GPS platforms due to its high performance and low power modes.
Q & A
- What is the core processor of the STM32F031K4U6?
The core processor is the ARM® 32-bit Cortex®-M0 CPU.
- What is the maximum operating frequency of the STM32F031K4U6?
The maximum operating frequency is up to 48 MHz.
- How much Flash memory does the STM32F031K4U6 have?
The STM32F031K4U6 has up to 16 Kbytes of Flash memory.
- What are the power supply voltage ranges for the STM32F031K4U6?
The device operates from a 2.0 to 3.6 V power supply.
- What are the low power modes available in the STM32F031K4U6?
The low power modes include Sleep, Stop, and Standby.
- What communication interfaces does the STM32F031K4U6 support?
The device supports I²C, USART, and SPI (with I²S interface multiplexed).
- What is the operating temperature range of the STM32F031K4U6?
The operating temperature range is from -40 to +85 °C.
- What package type is the STM32F031K4U6 available in?
The device is available in a 32-pin UFQFPN (5x5 mm) package.
- Is the STM32F031K4U6 RoHS compliant?
Yes, the STM32F031K4U6 is RoHS compliant and meets ECOPACK®2 standards.
- What are some typical applications of the STM32F031K4U6?
Typical applications include consumer electronics, industrial control systems, automotive applications, and IoT devices.
