STM32F103C6T6ATR
32-bit ARM Cortex M3 microcontrollers with flash memory and LQFP packaging
Manufacturer： stm
series introduction
# Introduction to the STM32F103C6T6ATR Product Series
## 1. Overview
The STM32F103C6T6ATR belongs to the STM32F103 series of microcontrollers developed by STMicroelectronics. This series is part of the ARM® Cortex® - M3 32 - bit RISC core - based microcontroller family, which offers a high - performance, low - power, and cost - effective solution for a wide range of embedded applications.
## 2. Key Features
### 2.1 Core and Performance
- **ARM Cortex - M3 Core**: The microcontroller is powered by the ARM Cortex - M3 core, which provides a high - performance computing platform with a Harvard architecture and a 3 - stage pipeline. It can execute instructions at a maximum frequency of 72 MHz, enabling fast data processing and efficient operation of complex algorithms.
- **High - Speed Processing**: With a single - cycle multiplier and hardware division, the STM32F103C6T6ATR can perform arithmetic operations quickly, making it suitable for applications that require real - time processing, such as motor control and sensor data acquisition.
### 2.2 Memory
- **Flash Memory**: It is equipped with 32 KB of embedded Flash memory, which can be used to store the program code. The Flash memory has a high - endurance cycle, allowing for frequent programming and erasing operations, which is essential for firmware updates and development iterations.
- **SRAM**: The microcontroller also features 6 KB of SRAM, which provides fast data storage for variables, buffers, and stack operations during program execution. This SRAM space is sufficient for most medium - sized embedded applications.
### 2.3 Peripherals
#### 2.3.1 GPIO (General - Purpose Input/Output)
- The STM32F103C6T6ATR has a total of 37 GPIO pins, which can be configured as either input or output ports. These pins can be used to interface with external devices such as sensors, actuators, and displays. The GPIO pins support various input and output modes, including push - pull, open - drain, and pull - up/down resistors, providing flexibility in circuit design.
#### 2.3.2 Timers
- It includes multiple timers, such as 3 general - purpose timers and 1 basic timer. These timers can be used for a variety of applications, including pulse width modulation (PWM) generation for motor control, frequency measurement, and delay generation. The general - purpose timers have a 16 - bit or 32 - bit counter, allowing for precise timing control.
#### 2.3.3 Communication Interfaces
- **USART (Universal Synchronous/Asynchronous Receiver/Transmitter)**: There are 2 USART interfaces available, which support both synchronous and asynchronous communication modes. They can be used for serial communication with other devices, such as computers, sensors, and modems, at various baud rates.
- **SPI (Serial Peripheral Interface)**: The microcontroller features 2 SPI interfaces, which are commonly used for high - speed data transfer between the microcontroller and external devices, such as flash memories, sensors, and displays.
- **I2C (Inter - Integrated Circuit)**: There is 1 I2C interface, which is a serial communication protocol used for connecting low - speed devices in a multi - master or multi - slave configuration. It is widely used for interfacing with sensors, EEPROMs, and other integrated circuits.
#### 2.3.4 ADC (Analog - to - Digital Converter)
- The STM32F103C6T6
Images for reference
48-LQFP
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