Description
The STM32F105RBT6 is a high-performance, connectivity-focused microcontroller from the STM32 F1 series, built on the robust ARM® Cortex®-M3 core. Operating at frequencies up to 72MHz, this device is specifically designed to act as a versatile communication hub in complex embedded systems. Its standout feature is the integrated USB 2.0 On-The-Go (OTG) Full-Speed controller, which enables seamless device-to-device communication, making it an ideal choice for applications requiring advanced connectivity, such as medical handheld equipment, industrial PLCs, and home audio interfaces.
Beyond its communication prowess, the STM32F105RBT6 offers a rich set of high-performance analog and digital peripherals, including 12-bit ADCs and DACs, a 12-channel DMA controller, and a vast array of timers and communication interfaces (I2C, SPI, USART). With up to 80 fast I/O ports featuring pinout remap capability, it provides the flexibility needed to optimize PCB routing and accommodate complex hardware designs. Combined with efficient power management and low-power modes (Sleep, Stop, Standby), this MCU offers the perfect balance of reliability, speed, and connectivity for modern industrial and consumer applications.
Key Features
- ARM® Cortex®-M3 Core: Reliable 32-bit CPU running at speeds up to 72MHz.
- USB OTG Connectivity: Integrated USB 2.0 Full-Speed device/host/OTG controller.
- High-Performance Analog: Dual 12-bit, 1µs ADCs (up to 16 channels) and dual 12-bit D/A converters.
- Advanced Connectivity Suite: Up to 14 communication interfaces (I2C, SPI, I2S, USART) with pinout remap capability.
- Flexible I/O: Up to 80 fast I/O ports with advanced remapping options for simplified hardware design.
- System Reliability: Hardware CRC calculation unit and a 96-bit unique ID for secure device identification.
- Optimized Power Management: Multiple low-power modes (Sleep, Stop, Standby) and versatile clock/reset management.
Applications
- Industrial Automation: Reliable control for PLCs, inverters, and sophisticated motor drive systems.
- Medical & Handheld: Efficient, high-connectivity processing for portable diagnostic and monitoring equipment.
- Consumer Electronics: Versatile control for HVAC systems, video intercoms, and high-fidelity home audio equipment.
- Communications: Ideal for devices requiring standardized USB connectivity and multi-protocol serial communication.
Package Includes
- 1 x STM32F105RBT6 ARM Cortex-M3 32-Bit Microcontroller (LQFP)
Technical Specifications
| Parameter | Specification |
|---|---|
| Device Model | STM32F105RBT6 |
| Core Architecture | ARM Cortex-M3 |
| Operating Frequency | 72 MHz |
| Data Bus Width | 32-bit |
| Supply Voltage | 2V to 3.6V |
| Operating Temp | –40°C to +85°C |
| Package/Case | LQFP |
| Shipping Weight | 0.005 kg |
| Shipping Dimensions | 5 × 5 × 1 cm |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete register maps, pinout configurations, electrical characteristics, and detailed application circuit schematics, please refer to the official STMicroelectronics STM32F1 Series documentation.
