Overview
The STM32F103RBH6 is a microcontroller from STMicroelectronics, part of the STM32F103xx medium-density performance line family. It incorporates the high-performance Arm® Cortex®-M3 32-bit RISC core, operating at a maximum frequency of 72 MHz. This MCU features high-speed embedded memories, including up to 128 Kbytes of Flash memory and 20 Kbytes of SRAM. The device is equipped with an extensive range of enhanced I/Os and peripherals connected to two APB buses, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value |
|---|---|
| CPU Core | Arm® 32-bit Cortex®-M3 |
| Maximum Frequency | 72 MHz |
| Flash Memory | Up to 128 Kbytes |
| SRAM | Up to 20 Kbytes |
| Power Supply | 2.0 to 3.6 V |
| Operating Temperature | –40 to +85°C or –40 to +105°C (extended range) |
| ADCs | 2 x 12-bit, 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, up to three USARTs, up to two SPIs, USB 2.0 full-speed, and CAN 2.0B Active |
| I/O Ports | Up to 51 fast I/O ports, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant |
| DMA | 7-channel DMA controller supporting timers, ADC, SPIs, I2Cs, and USARTs |
Key Features
- High-Performance CPU: Arm® 32-bit Cortex®-M3 core with a maximum frequency of 72 MHz and 1.25 DMIPS/MHz performance.
- Memory and Storage: Up to 128 Kbytes of Flash memory and 20 Kbytes of SRAM.
- Power Management: 2.0 to 3.6 V application supply and I/Os, with power-saving modes including Sleep, Stop, and Standby.
- Analog to Digital Converters (ADCs): Two 12-bit ADCs with up to 16 channels, dual-sample and hold capability, and a temperature sensor.
- Timers and Watchdogs: Three 16-bit timers, one 16-bit motor control PWM timer, two watchdog timers, and a SysTick timer.
- Communication Interfaces: Up to two I2Cs, up to three USARTs, up to two SPIs, USB 2.0 full-speed, and CAN 2.0B Active.
- DMA and Peripherals: 7-channel DMA controller supporting various peripherals.
- Debugging: Serial wire debug (SWD) and JTAG interfaces.
Applications
The STM32F103RBH6 is versatile and can be used in a variety of applications, including:
- Industrial Automation: Motor control, industrial control systems, and automation.
- Consumer Electronics: Home appliances, audio equipment, and other consumer devices.
- Medical Devices: Medical diagnostic equipment and patient monitoring systems.
- Automotive Systems: Vehicle control systems, infotainment systems, and safety features.
- IoT and Smart Home Devices: Internet of Things (IoT) devices, smart home automation, and wireless sensor networks.
Q & A
- What is the maximum operating frequency of the STM32F103RBH6?
The maximum operating frequency is 72 MHz.
- How much Flash memory does the STM32F103RBH6 have?
It has up to 128 Kbytes of Flash memory.
- What are the power supply requirements for the STM32F103RBH6?
The device operates from a 2.0 to 3.6 V power supply.
- What types of communication interfaces are available on the STM32F103RBH6?
It includes up to two I2Cs, up to three USARTs, up to two SPIs, USB 2.0 full-speed, and CAN 2.0B Active.
- Does the STM32F103RBH6 support DMA?
Yes, it has a 7-channel DMA controller supporting various peripherals.
- What are the available power-saving modes for the STM32F103RBH6?
The device supports Sleep, Stop, and Standby modes.
- What is the temperature range for the STM32F103RBH6?
The device operates in the –40 to +85°C temperature range and also has an extended range of –40 to +105°C.
- How many I/O ports does the STM32F103RBH6 have?
It has up to 51 fast I/O ports.
- Does the STM32F103RBH6 support debugging interfaces?
Yes, it supports Serial wire debug (SWD) and JTAG interfaces.
- What types of timers are available on the STM32F103RBH6?
The device includes three 16-bit timers, one 16-bit motor control PWM timer, two watchdog timers, and a SysTick timer.
