Overview
The STM32F103CBT7TR is a microcontroller from the STM32F103xx medium-density performance line family, produced by STMicroelectronics. This device is powered by the high-performance Arm® Cortex®-M3 32-bit RISC core, operating at a maximum frequency of 72 MHz. It features up to 128 Kbytes of Flash memory and 20 Kbytes of SRAM, along with an extensive range of enhanced I/Os and peripherals connected to two APB buses.
The microcontroller is designed to offer high functionality and flexibility, making it suitable for a wide range of embedded system applications. It includes advanced communication interfaces, multiple timers, and low-power modes to optimize power consumption.
Key Specifications
| Parameter | Specification |
|---|---|
| CPU Core | Arm® Cortex®-M3 32-bit RISC core |
| Maximum Frequency | 72 MHz |
| Flash Memory | Up to 128 Kbytes |
| SRAM | 20 Kbytes |
| ADCs | 2x 12-bit, 1 µs A/D converters (up to 16 channels) |
| Conversion Range | 0 to 3.6 V |
| Timers | Three 16-bit timers, one 16-bit motor control PWM timer, two watchdog timers, and a SysTick timer |
| Communication Interfaces | Up to two I2C interfaces, up to three USARTs, up to two SPIs, CAN interface (2.0B Active), and USB 2.0 full-speed interface |
| Operating Voltage | 2.0 to 3.6 V |
| Operating Temperature | -40°C to +105°C |
| Low-Power Modes | Sleep, Stop, and Standby modes |
| I/Os | Up to 80 fast I/O ports, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant |
Key Features
- High-Performance CPU: The Arm® Cortex®-M3 32-bit RISC core operates at up to 72 MHz, ensuring high performance and efficient data handling.
- Memory and Storage: The microcontroller features up to 128 Kbytes of Flash memory and 20 Kbytes of SRAM, providing ample storage for various applications.
- Advanced Communication Interfaces: Includes up to two I2C interfaces, up to three USARTs, up to two SPIs, a CAN interface (2.0B Active), and a USB 2.0 full-speed interface.
- Low-Power Modes: Sleep, Stop, and Standby modes help in reducing power consumption, making it suitable for battery-operated devices.
- Multiple Timers and Peripherals: Features three 16-bit timers, one 16-bit motor control PWM timer, two watchdog timers, and a SysTick timer, along with a 7-channel DMA controller.
- High-Speed I/Os: Up to 80 fast I/O ports, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant.
Applications
- Industrial Automation: Suitable for control systems, motor control, and industrial communication due to its advanced timers and communication interfaces.
- Consumer Electronics: Used in various consumer devices such as smart home appliances, audio equipment, and other embedded systems.
- Medical Devices: Can be used in medical equipment requiring precise control and low power consumption.
- Automotive Systems: Applicable in automotive control systems, including engine control, safety systems, and infotainment systems.
- IoT Devices: Ideal for Internet of Things (IoT) applications due to its low power consumption and versatile communication interfaces.
Q & A
- What is the maximum operating frequency of the STM32F103CBT7TR?
The maximum operating frequency is 72 MHz.
- How much Flash memory does the STM32F103CBT7TR have?
It has up to 128 Kbytes of Flash memory.
- What are the operating voltage and temperature ranges of the STM32F103CBT7TR?
The operating voltage range is 2.0 to 3.6 V, and the operating temperature range is -40°C to +105°C.
- What communication interfaces are available on the STM32F103CBT7TR?
It includes up to two I2C interfaces, up to three USARTs, up to two SPIs, a CAN interface (2.0B Active), and a USB 2.0 full-speed interface.
- Does the STM32F103CBT7TR support low-power modes?
Yes, it supports Sleep, Stop, and Standby modes to reduce power consumption.
- How many I/O ports does the STM32F103CBT7TR have?
It has up to 80 fast I/O ports, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant.
- What types of timers are available on the STM32F103CBT7TR?
It features three 16-bit timers, one 16-bit motor control PWM timer, two watchdog timers, and a SysTick timer.
- Does the STM32F103CBT7TR have a DMA controller?
Yes, it has a 7-channel DMA controller supporting peripherals like timers, ADC, SPIs, I2Cs, and USARTs.
- What is the conversion range of the ADCs on the STM32F103CBT7TR?
The conversion range of the ADCs is 0 to 3.6 V.
- Is the STM32F103CBT7TR suitable for battery-operated devices?
Yes, due to its low-power modes and versatile power supply range, it is suitable for battery-operated devices.
