Overview
The STM32F105RBT6 is a member of the STM32F105xx and STM32F107xx connectivity line family from STMicroelectronics. This microcontroller is built around the high-performance ARM® Cortex®-M3 32-bit RISC core, operating at a maximum frequency of 72 MHz. It features high-speed embedded memories, including up to 256 Kbytes of Flash memory and 64 Kbytes of general-purpose SRAM. The device is designed to support a wide range of applications with its extensive set of enhanced I/Os and peripherals connected to two APB buses.
The STM32F105RBT6 operates within a temperature range of –40 to +105 °C and supports a power supply range of 2.0 to 3.6 V. It also includes various power-saving modes, making it suitable for low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® 32-bit Cortex®-M3 CPU |
| Maximum Frequency | 72 MHz |
| Flash Memory | Up to 256 Kbytes |
| SRAM | 64 Kbytes |
| Power Supply | 2.0 to 3.6 V |
| Operating Temperature | –40 to +105 °C |
| ADCs | 2 × 12-bit, 1 μs A/D converters (16 channels) |
| DACs | 2 × 12-bit D/A converters |
| Timers | Up to 10 timers, including 4 general-purpose 16-bit timers and 1 motor control PWM timer |
| Communication Interfaces | Up to 2 I2Cs, 3 SPIs, 2 I2Ss, 5 USARTs, USB OTG FS, and 2 CANs |
| Package Type | LQFP64 |
| I/Os | Up to 80 fast I/O ports, with 51/80 I/Os mappable on 16 external interrupt vectors |
Key Features
- High-Performance Core: ARM® 32-bit Cortex®-M3 CPU with single-cycle multiplication and hardware division.
- Memories: Up to 256 Kbytes of Flash memory and 64 Kbytes of general-purpose SRAM.
- Power Management: 2.0 to 3.6 V application supply and I/Os, with POR, PDR, and programmable voltage detector (PVD).
- Low Power Modes: Sleep, Stop, and Standby modes for low-power applications.
- Analog to Digital Converters (ADCs): 2 × 12-bit, 1 μs A/D converters with 16 channels and sample and hold capability.
- Digital to Analog Converters (DACs): 2 × 12-bit D/A converters.
- Timers: Up to 10 timers, including 4 general-purpose 16-bit timers and 1 motor control PWM timer.
- Communication Interfaces: Up to 2 I2Cs, 3 SPIs, 2 I2Ss, 5 USARTs, USB OTG FS, and 2 CANs.
- Debug Mode: Serial wire debug (SWD) & JTAG interfaces, Cortex®-M3 Embedded Trace Macrocell™.
- I/O Ports: Up to 80 fast I/O ports, with 51/80 I/Os 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: Ideal for applications requiring high-performance processing, such as audio and video devices, thanks to its I2S and USB OTG capabilities.
- Medical Devices: Can be used in medical equipment that requires precise analog-to-digital conversion and low power consumption.
- Automotive Systems: Applicable in automotive control units, infotainment systems, and other vehicle electronics due to its robust communication interfaces and temperature range.
- IoT Devices: Suitable for Internet of Things applications requiring efficient power management and multiple communication interfaces.
Q & A
- What is the maximum operating frequency of the STM32F105RBT6?
The maximum operating frequency is 72 MHz.
- What is the range of the power supply for the STM32F105RBT6?
The power supply range is 2.0 to 3.6 V.
- How much Flash memory does the STM32F105RBT6 have?
The STM32F105RBT6 has up to 256 Kbytes of Flash memory.
- What types of communication interfaces does the STM32F105RBT6 support?
The device supports up to 2 I2Cs, 3 SPIs, 2 I2Ss, 5 USARTs, USB OTG FS, and 2 CANs.
- Does the STM32F105RBT6 have any low power modes?
Yes, it has Sleep, Stop, and Standby modes for low-power applications.
- What is the temperature range for the STM32F105RBT6?
The operating temperature range is –40 to +105 °C.
- How many I/O ports does the STM32F105RBT6 have?
The device has up to 80 fast I/O ports.
- Does the STM32F105RBT6 support debug interfaces?
Yes, it supports Serial wire debug (SWD) & JTAG interfaces and Cortex®-M3 Embedded Trace Macrocell™.
- What types of timers are available on the STM32F105RBT6?
The device includes up to 10 timers, including 4 general-purpose 16-bit timers and 1 motor control PWM timer.
- Is the STM32F105RBT6 suitable for industrial automation applications?
Yes, it is suitable due to its advanced timers and communication interfaces.
