STM32F103C6T6 Pinout Datasheet and STM32F103C8T6

Introduction to STM32F103C6T6

The STM32F103C6T6 is a versatile and high-performance microcontroller from STMicroelectronics, part of the STM32F1 series, featuring the ARM Cortex-M3 core. Operating at a maximum frequency of 72 MHz, it delivers efficient processing capabilities with up to 32 KB of Flash memory and 10 KB of SRAM. This microcontroller is housed in a 48-LQFP package and offers a comprehensive suite of features, including multiple communication interfaces such as CAN, USB 2.0, I2C, USART, and SPI, making it suitable for a wide range of applications.

Designed for both industrial and consumer use, the STM32F103C6T6 supports advanced peripherals such as a 12-bit ADC, 7-channel DMA controller, and various timers including motor control PWM timers. It also provides low power modes—Sleep, Stop, and Standby—essential for energy-efficient designs. The device is well-suited for applications in industrial automation, consumer electronics, automotive systems, medical devices, and smart grid management, thanks to its robust performance, extensive I/O options, and reliable communication capabilities.

STM32F103C6T6 Pinout

The STM32F103C6T6 is a low-density microcontroller from the STM32F103 series with the following pin definitions: It comes in an LQFP48 package. Pin 1 is VBAT, primarily for battery power; pins 2 to 4 are PC13, PC14, and PC15, used for TAMPER-RTC and OSC32 input/output functions; pins 5 and 6 are OSC_IN and OSC_OUT, respectively; pin 7 is NRST for reset functionality; pins 8 and 9 are VSSA and VDDA, providing analog ground and analog power; pins 10 to 13 are PA0 to PA3, supporting multiple functions such as USART, ADC, and timers; pins 14 to 17 are PA4 to PA7, supporting SPI, ADC, and timer functions. The remaining pins, such as PC0 to PC5, are mainly used for ADC input functions. The versatile pins of the STM32F103C6T6 make it suitable for a wide range of applications, including communication, data acquisition, and control.

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STM32F103C6T6 Specifications and Features

Specifications

Features

• ARM 32-bit Cortex™-M3 CPU Core, 72 MHz
• 16 or 32 Kbytes Flash memory
• 6 or 10 Kbytes SRAM
• 2.0 to 3.6 V application supply and I/Os
• 4-to-16 MHz crystal oscillator, internal 8 MHz RC, internal 40 kHz RC
• Sleep, Stop, and Standby modes
• 2 x 12-bit A/D converters (up to 16 channels)
• 7-channel DMA controller
• Up to 51 fast I/O ports
• Serial wire debug (SWD) & JTAG interfaces
• 6 timers, including motor control PWM timer
• 1 x I2C, 2 x USART, 1 x SPI, CAN, USB 2.0 full-speed interface
• CRC calculation unit, 96-bit unique ID
• ECOPACK® compliant packaging

Application of STM32F103C6T6

1. Industrial Automation

The STM32F103C6T6 microcontroller is ideal for industrial automation applications due to its robust features and high performance. Its CAN interface supports reliable communication in industrial environments, while the multiple timers and PWM channels enable precise control of motors and actuators. The availability of numerous I/O ports allows for extensive interfacing with sensors and other control devices.

2. Consumer Electronics

In consumer electronics, the STM32F103C6T6 can be utilized in products such as smart home devices, personal fitness trackers, and portable medical devices. Its low power modes (Sleep, Stop, and Standby) are crucial for battery-operated devices, extending their operational life. The integrated USB 2.0 full-speed interface facilitates easy connectivity with other consumer devices.

3. Automotive Applications

The STM32F103C6T6 is suitable for various automotive applications, including dashboard controls, infotainment systems, and engine control units (ECUs). The microcontroller's LIN and CAN interfaces are essential for in-vehicle communication. The built-in watchdog timers enhance the reliability and safety of automotive systems by providing necessary system resets in case of faults.

4. Medical Devices

Medical devices benefit from the STM32F103C6T6's advanced features and reliability. It can be used in portable diagnostic tools, patient monitoring systems, and insulin pumps. The integrated temperature sensor and A/D converters enable precise measurement and monitoring of vital signs. The microcontroller's low power consumption is critical for wearable medical devices.

5. Smart Grid and Energy Management

In smart grid and energy management systems, the STM32F103C6T6 can be deployed in smart meters, energy monitoring devices, and home automation systems. Its capability to handle multiple communication protocols (such as I2C, SPI, and USART) ensures seamless integration with other smart grid components. The on-chip RTC and low power consumption make it suitable for energy-efficient applications.

Each of these applications leverages the STM32F103C6T6’s versatile features such as its processing power, communication interfaces, low power modes, and extensive I/O capabilities, making it a reliable choice for a wide range of uses.

Performance Line Block Diagram

STM32F103C6T6 Package Dimension - LQFP48

The STM32F103C6T6 microcontroller is housed in a 48-pin LQFP (Low-Profile Quad Flat Package) package.

Advantages and Disadvantages of STM32F103C6T6

Advantages

1. High Performance: ARM Cortex-M3 core at 72 MHz provides efficient processing power.

2. Versatile Peripherals: Includes CAN, USB, I2C, USART, SPI for extensive connectivity.

3. Adequate Memory: 32 KB Flash and 10 KB SRAM for most medium-sized applications.

4. Wide Temperature Range: Operates from -40°C to 85°C, suitable for industrial use.

5. Low Power Modes: Sleep, Stop, and Standby modes extend battery life.

Disadvantages

1. Limited Memory: 32 KB Flash and 10 KB SRAM may be insufficient for complex applications.

2. Package Size: 48-pin LQFP package limits I/O pin availability.

3. No Built-In EEPROM: Lacks EEPROM for non-volatile data storage.

4. Basic Features: Fewer advanced peripherals compared to higher-end models.

5. Moisture Sensitivity: Requires careful handling and storage to prevent damage.

STM32F103C6T6 vs STM32F103C8T6

The STM32F103C6T6 and STM32F103C8T6 are both members of the STM32F1 series, featuring the ARM Cortex-M3 core. The primary difference lies in their memory capacities: the STM32F103C6T6 has 32 KB of Flash memory and 10 KB of SRAM, while the STM32F103C8T6 offers 64 KB of Flash memory and 20 KB of SRAM. Both models support similar peripherals, including CAN, USB, and multiple communication interfaces, but the STM32F103C8T6 provides additional memory for more complex applications and increased code storage.

Manufacturer

The STM32F103C6T6 microcontroller is manufactured by STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics is renowned for its wide range of products, including microcontrollers, sensors, and power management ICs, serving diverse industries from automotive to consumer electronics.

STMicroelectronics focuses on delivering high-performance, reliable, and innovative microcontroller solutions. The STM32F103C6T6, part of the STM32 family, benefits from the company’s extensive expertise in designing cutting-edge ARM Cortex-M3-based microcontrollers, offering robust features and high performance for a variety of embedded applications.

STM32F103C6T6 Datasheet PDF

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