STM32F103RGT7
32-bit ARM Cortex microcontrollers with high-density flash memory
Manufacturer： stm
series introduction
# Introduction to the STM32F103RGT7 Product Series
## 1. Overview
The STM32F103RGT7 is part of STMicroelectronics' popular STM32F103 series, which is based on the ARM Cortex - M3 32 - bit RISC core. This product series is designed to offer a high - performance, cost - effective, and energy - efficient solution for a wide range of embedded applications. The STM32F103RGT7, in particular, stands out with its rich set of features and capabilities, making it suitable for various industrial, consumer, and automotive applications.
## 2. Key Features
### 2.1 Core and Performance
- **ARM Cortex - M3 Core**: The STM32F103RGT7 is powered by the ARM Cortex - M3 core, which provides a high - performance computing platform with a 32 - bit instruction set. It has a Harvard architecture with separate instruction and data buses, enabling efficient data processing and execution of instructions. The core can operate at a maximum frequency of 72 MHz, delivering up to 1.25 DMIPS/MHz, which means it can handle complex tasks with ease.
- **Memory Protection Unit (MPU)**: The built - in MPU allows for the protection of different memory regions, enhancing the security and reliability of the system. It can prevent unauthorized access to critical memory areas, which is crucial in applications where data integrity is of utmost importance.
### 2.2 Memory
- **Flash Memory**: The device comes with 1 Mbyte of embedded Flash memory. This large - capacity Flash memory can store the application code, allowing for the implementation of complex algorithms and functions. The Flash memory has a high - speed access time, which ensures fast code execution.
- **SRAM**: It is equipped with 96 Kbytes of SRAM. The SRAM provides a fast and temporary storage area for data processing, variables, and stack operations. This sufficient SRAM capacity enables the smooth running of applications that require a large amount of data buffering.
### 2.3 Peripherals
#### 2.3.1 Communication Peripherals
- **USARTs (Universal Synchronous/Asynchronous Receiver/Transmitter)**: The STM32F103RGT7 has 3 USARTs, which support both synchronous and asynchronous communication modes. They can be used for serial communication with other devices such as sensors, displays, and microcontrollers. The USARTs support a wide range of baud rates, making them compatible with different communication standards.
- **SPI (Serial Peripheral Interface)**: There are 2 SPI interfaces available. SPI is a high - speed serial communication protocol that is commonly used for communicating with external devices such as flash memories, sensors, and LCD controllers. The SPI interfaces support full - duplex communication and can operate at high clock speeds, enabling fast data transfer.
- **I2C (Inter - Integrated Circuit)**: It features 2 I2C interfaces, which are widely used for connecting low - speed devices such as EEPROMs, sensors, and real - time clocks. The I2C interfaces support multi - master and slave communication modes, providing flexibility in system design.
#### 2.3.2 Timers
- **General - Purpose Timers**: The device has 4 general - purpose timers, each with a 16 - bit or 32 - bit counter. These timers can be used for a variety of applications such as PWM (Pulse Width Modulation) generation, frequency measurement, and event counting. PWM signals generated by these timers can be used to control motors, LEDs, and other actuators.
- **Advanced - Control Tim
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