STM32F105RCT6
32-bit ARM Cortex M3 microcontrollers with 256KB flash memory
Manufacturer： stm
series introduction
# Introduction to the STM32F105RCT6 Product Series
## 1. Overview
The STM32F105RCT6 is a member of the highly popular STM32 microcontroller family developed by STMicroelectronics. This series is based on the ARM Cortex - M3 32 - bit RISC core, which combines high performance, low power consumption, and rich peripheral integration, making it suitable for a wide range of applications in the embedded systems field.
## 2. Key Features
### 2.1 Core and Performance
- **ARM Cortex - M3 Core**: The ARM Cortex - M3 core provides a high - performance processing platform with a Harvard architecture and a 3 - stage pipeline. It can execute instructions at a maximum frequency of up to 72 MHz, enabling fast data processing and efficient program execution.
- **High - Speed Processing**: With a high - performance core, the STM32F105RCT6 can handle complex algorithms and real - time tasks. It has a single - cycle multiplication and hardware division unit, which significantly improves the computational efficiency for mathematical operations.
### 2.2 Memory
- **Flash Memory**: It is equipped with 256 KB of on - chip flash memory. This non - volatile memory is used to store the program code, allowing developers to write and store their applications directly on the microcontroller. The flash memory has a high endurance, which can withstand a large number of programming and erasing cycles.
- **SRAM**: The microcontroller has 64 KB of on - chip static random - access memory (SRAM). SRAM is used for storing variables, data buffers, and stack space during program execution. The large SRAM capacity provides sufficient space for complex applications that require data storage and manipulation.
### 2.3 Peripherals
#### 2.3.1 Communication Interfaces
- **USB OTG Full - Speed**: The USB On - The - Go (OTG) full - speed interface allows the microcontroller to act as both a USB host and a USB device. This feature enables easy connection to a variety of USB - enabled devices, such as keyboards, mice, and external storage devices, expanding the application scenarios of the system.
- **Ethernet MAC**: It includes an Ethernet Media Access Controller (MAC), which supports the IEEE 802.3 standard. This allows the microcontroller to be connected to an Ethernet network, enabling network - based communication, such as TCP/IP, UDP, and HTTP protocols. It is suitable for applications such as industrial monitoring, home automation, and network - connected devices.
- **CAN Interface**: The Controller Area Network (CAN) interface is a serial communication protocol widely used in automotive and industrial applications. The STM32F105RCT6's CAN interface supports both CAN 2.0A and CAN 2.0B protocols, allowing reliable communication between multiple nodes in a network.
- **UART/SPI/I2C**: It also provides multiple Universal Asynchronous Receiver/Transmitter (UART), Serial Peripheral Interface (SPI), and Inter - Integrated Circuit (I2C) interfaces. These interfaces are commonly used for communication with external sensors, actuators, and other microcontrollers, providing flexibility in system design.
#### 2.3.2 Timers
- **Multiple Timers**: The microcontroller is equipped with several general - purpose timers and advanced - control timers. These timers can be used for a variety of applications, such as generating PWM signals for motor control, measuring time intervals, and implementing real - time scheduling.
- **PWM Generation**: The advanced - control timers can generate high - precision Pulse Width Modulation (PWM) signals, which are essential for applications such as motor speed control,
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