Overview
The STM32F031C4T6 is a microcontroller from STMicroelectronics, part of the STM32F031x4/x6 family. It incorporates the high-performance ARM® 32-bit Cortex®-M0 CPU, operating at a frequency of up to 48 MHz. This microcontroller is equipped with high-speed embedded memories, including 16 to 32 Kbytes of Flash memory and 4 Kbytes of SRAM with hardware parity. The device features an extensive range of enhanced peripherals and I/Os, making it suitable for a wide range of applications.
The STM32F031C4T6 operates within a temperature range of -40 to +105°C and is powered by a 2.0 to 3.6 V supply. It includes various power-saving modes such as Sleep, Stop, and Standby, which are essential for designing low-power applications.
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 |
| Power Supply | Digital and I/Os: 2.0 to 3.6 V, Analog: VDDA = from VDD to 3.6 V |
| Reset and Power Management | Power-on/Power-down reset (POR/PDR), Programmable voltage detector (PVD), Low power modes: Sleep, Stop, Standby |
| Clock Management | 4 to 32 MHz crystal oscillator, 32 kHz oscillator for RTC, Internal 8 MHz RC with x6 PLL option, Internal 40 kHz RC oscillator |
| I/Os | Up to 39 fast I/Os, all mappable on external interrupt vectors, up to 26 I/Os with 5 V tolerant capability |
| DMA Controller | 5-channel DMA controller |
| ADC | 1 × 12-bit, 1.0 µs ADC (up to 10 channels), conversion range: 0 to 3.6V |
| Timers | Up to 9 timers including 16-bit and 32-bit timers, advanced-control PWM timer |
| Communication Interfaces | 1 × I2C, 1 × USART, 1 × SPI (18 Mbit/s) with I2S interface multiplexed |
| RTC | Calendar RTC with alarm and periodic wakeup from Stop/Standby |
| Debug Interface | Serial wire debug (SWD) |
| Unique ID | 96-bit unique ID |
| Temperature Range | -40 to +105°C |
| Package | LQFP 48 7x7x1.4 mm |
Key Features
- High-Performance CPU: ARM® 32-bit Cortex®-M0 CPU operating at up to 48 MHz.
- Memory and Parity: 16 to 32 Kbytes of Flash memory and 4 Kbytes of SRAM with hardware parity.
- Enhanced Peripherals: Includes a CRC calculation unit, 5-channel DMA controller, and multiple timers.
- Power Management: Features power-on/power-down reset, programmable voltage detector, and low power modes (Sleep, Stop, Standby).
- Communication Interfaces: Supports I2C, USART, and SPI with I2S interface multiplexed.
- ADC and Timers: 12-bit ADC with up to 10 channels and multiple 16-bit and 32-bit timers.
- RTC and Debug: Calendar RTC with alarm and periodic wakeup, and serial wire debug (SWD) interface.
- Temperature Range and Package: Operates in -40 to +105°C temperature range, available in LQFP 48 7x7x1.4 mm package.
Applications
The STM32F031C4T6 is versatile and suitable for a wide range of applications, including:
- Application control and user interfaces
- Hand-held equipment
- A/V receivers and digital TV
- PC peripherals
- Gaming and GPS platforms
- Industrial applications such as PLCs, inverters, printers, and scanners
- Alarm systems and video intercoms
- HVAC systems
Q & A
- What is the core of the STM32F031C4T6 microcontroller?
The core is the ARM® 32-bit Cortex®-M0 CPU.
- What is the maximum operating frequency of the STM32F031C4T6?
The maximum operating frequency is up to 48 MHz.
- How much Flash and SRAM memory does the STM32F031C4T6 have?
It has 16 to 32 Kbytes of Flash memory and 4 Kbytes of SRAM.
- What are the power supply ranges for the STM32F031C4T6?
The digital and I/Os supply range is 2.0 to 3.6 V, and the analog supply range is from VDD to 3.6 V.
- What communication interfaces are supported by the STM32F031C4T6?
It supports I2C, USART, and SPI with I2S interface multiplexed.
- Does the STM32F031C4T6 have any power-saving modes?
Yes, it includes Sleep, Stop, and Standby low power modes.
- What is the temperature range for the STM32F031C4T6?
The operating temperature range is -40 to +105°C.
- What package is the STM32F031C4T6 available in?
It is available in the LQFP 48 7x7x1.4 mm package.
- Does the STM32F031C4T6 have a real-time clock (RTC)?
Yes, it includes a calendar RTC with alarm and periodic wakeup from Stop/Standby.
- What debug interface does the STM32F031C4T6 support?
It supports serial wire debug (SWD).
