STM32F031C4T6
Entry-level 32-bit ARM Cortex-M0 microcontrollers with 16KB flash memory
Manufacturer： stm
series introduction
# Introduction to the STM32F031C4T6 Product Series
## 1. Overview
The STM32F031C4T6 is part of the STM32F0 series of microcontrollers developed by STMicroelectronics. These microcontrollers are based on the ARM® Cortex® - M0 core, which is known for its low - power consumption, high performance, and excellent code density. The STM32F031C4T6 offers a cost - effective solution for a wide range of embedded applications, making it a popular choice among developers.
## 2. Key Features
### 2.1 Core and Performance
- **ARM Cortex - M0 Core**: The ARM Cortex - M0 core provides a high - performance 32 - bit processing platform with a Harvard architecture. It can execute instructions at a maximum frequency of up to 48 MHz, enabling fast data processing and efficient execution of complex algorithms.
- **Thumb - 2 Instruction Set**: The Thumb - 2 instruction set offers a good balance between code density and performance. It allows for smaller code sizes compared to traditional 32 - bit instruction sets, which is beneficial for applications with limited memory resources.
### 2.2 Memory
- **Flash Memory**: The STM32F031C4T6 is equipped with 16 KB of embedded Flash memory. This non - volatile memory is used to store the application code, allowing the microcontroller to retain the program even when the power is turned off. The Flash memory has a high - endurance rating, ensuring reliable data storage over a long period.
- **SRAM**: It has 4 KB of static random - access memory (SRAM). SRAM is used for storing temporary data during program execution, such as variables, buffers, and stack space. The sufficient SRAM size enables smooth operation of medium - complexity applications.
### 2.3 Peripherals
#### 2.3.1 GPIO (General - Purpose Input/Output)
- The microcontroller features a number of general - purpose input/output pins. These pins can be configured as either inputs or outputs, allowing for easy interfacing with external devices such as sensors, actuators, and displays. The GPIO pins support various modes, including push - pull, open - drain, and pull - up/down resistor configurations.
#### 2.3.2 Timers
- **Advanced - Control Timer**: There is an advanced - control timer that can be used for applications such as motor control, PWM (Pulse - Width Modulation) generation, and frequency measurement. It offers high - precision timing capabilities and can generate complex waveforms.
- **General - Purpose Timers**: Multiple general - purpose timers are available, which can be used for tasks like timekeeping, event counting, and generating simple PWM signals. These timers are highly configurable and can be used in a variety of applications.
#### 2.3.3 Communication Interfaces
- **USART (Universal Synchronous/Asynchronous Receiver/Transmitter)**: The STM32F031C4T6 has one USART interface, which is commonly used for serial communication with other devices such as computers, sensors, and modems. It supports both synchronous and asynchronous communication modes and can operate at various baud rates.
- **SPI (Serial Peripheral Interface)**: One SPI interface is provided, which is a high - speed serial communication protocol. It is often used for communicating with external devices such as flash memories, sensors, and displays. The SPI interface supports full - duplex communication and can operate at high clock frequencies.
- **I²C (Inter - Integrated Circuit)**: An I²C interface is available for communicating with other I²C - compatible devices. It is a multi -
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