Overview
The STM32F103RBH7 is a microcontroller from the STM32F103xx family, produced by STMicroelectronics. It features the high-performance Arm® Cortex®-M3 32-bit RISC core, operating at a maximum frequency of 72 MHz. This device is part of the medium-density performance line, offering a balance between performance and power consumption.
The STM32F103RBH7 includes high-speed embedded memories such as up to 128 Kbytes of Flash memory and up to 20 Kbytes of SRAM. It also boasts an extensive range of enhanced I/Os and peripherals connected to two APB buses, making it versatile for various applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Microcontroller Core | Arm® Cortex®-M3 32-bit RISC |
| Maximum CPU Clock Rate | 72 MHz |
| Flash Memory | Up to 128 Kbytes |
| SRAM | Up to 20 Kbytes |
| ADCs | 2x 12-bit, 1 µs A/D converters (up to 16 channels) |
| Timers | Three 16-bit timers, one 16-bit motor control PWM timer, two watchdog timers, and a SysTick timer |
| Communication Interfaces | Up to two I²Cs, two SPIs, three USARTs, one USB, and one CAN 2.0B |
| Operating Voltage | 2.0 to 3.6 V |
| Operating Temperature | –40 to +85°C or –40 to +105°C (extended temperature range) |
| I/O Ports | Up to 80 fast I/O ports, 26/37/51/80 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant |
| Debug Mode | Serial wire debug (SWD) and JTAG interfaces |
Key Features
- High-Performance Core: The Arm® Cortex®-M3 32-bit RISC core provides high processing power.
- Enhanced I/Os and Peripherals: Includes two 12-bit ADCs, three general-purpose 16-bit timers, one PWM timer, and various communication interfaces like I²C, SPI, USART, USB, and CAN.
- Power-Saving Modes: Comprehensive set of power-saving modes to design low-power applications.
- Temperature Sensor: Integrated temperature sensor for temperature monitoring.
- DMA Controller: 7-channel DMA controller supporting peripherals like timers, ADC, SPIs, I²Cs, and USARTs.
- High-Speed I/O Ports: Up to 80 fast I/O ports, with many being 5 V-tolerant.
- Debug Capabilities: Serial wire debug (SWD) and JTAG interfaces for debugging.
Applications
- Industrial Automation: Suitable for control systems, motor control, and automation due to its advanced timers and communication interfaces.
- Consumer Electronics: Can be used in various consumer electronics such as home appliances, audio devices, and gaming consoles.
- Medical Devices: Applicable in medical devices requiring precise control and communication, such as diagnostic equipment and patient monitoring systems.
- Automotive Systems: Used in automotive systems for control and monitoring, including CAN bus communication.
- IoT Devices: Suitable for Internet of Things (IoT) applications requiring low power consumption and high performance.
Q & A
- What is the maximum CPU clock rate of the STM32F103RBH7?
The maximum CPU clock rate is 72 MHz.
- How much Flash memory does the STM32F103RBH7 have?
The STM32F103RBH7 has up to 128 Kbytes of Flash memory.
- What types of communication interfaces are available on the STM32F103RBH7?
The device includes up to two I²Cs, two SPIs, three USARTs, one USB, and one CAN 2.0B.
- What is the operating voltage range of the STM32F103RBH7?
The operating voltage range is 2.0 to 3.6 V.
- Does the STM32F103RBH7 have any power-saving modes?
- How many I/O ports does the STM32F103RBH7 have?
The device has up to 80 fast I/O ports, with many being 5 V-tolerant.
- What debug interfaces are available on the STM32F103RBH7?
The device supports serial wire debug (SWD) and JTAG interfaces.
- Is the STM32F103RBH7 suitable for industrial automation applications?
- Does the STM32F103RBH7 have an integrated temperature sensor?
- What is the maximum temperature range for the STM32F103RBH7?
The device operates in the –40 to +85°C or –40 to +105°C (extended temperature range).
