Overview
The STM32F105R8T6 is a microcontroller from STMicroelectronics, part of the STM32F105xx and STM32F107xx connectivity line family. It features the high-performance ARM® 32-bit Cortex®-M3 CPU, operating at a maximum frequency of 72 MHz. This device is equipped with 64 Kbytes of Flash memory and 64 Kbytes of general-purpose SRAM. The microcontroller supports a wide range of peripherals and communication interfaces, making it suitable for various applications requiring advanced control and connectivity.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® 32-bit Cortex®-M3 CPU |
| Maximum Frequency | 72 MHz |
| Flash Memory | 64 Kbytes |
| SRAM | 64 Kbytes |
| Operating Temperature | -40 to +105 °C |
| Supply Voltage | 2.0 to 3.6 V |
| ADCs | 2 × 12-bit, 16 channels |
| Timers | Up to 10 timers (including 4 × 16-bit timers and 1 × 16-bit motor control PWM timer) |
| Communication Interfaces | Up to 2 × I2C, 3 × SPI, 2 × I2S, 5 × USART, USB 2.0 OTG, 2 × CAN |
| I/O Ports | Up to 80 fast I/O ports, 51/80 I/Os 5 V-tolerant |
| Package Type | LQFP64 (10 × 10 mm) |
Key Features
- High-Performance CPU: ARM® 32-bit Cortex®-M3 CPU with a maximum frequency of 72 MHz.
- Memory and Storage: 64 Kbytes of Flash memory and 64 Kbytes of general-purpose SRAM.
- Peripherals and Timers: Up to 10 timers, including four 16-bit timers and one 16-bit motor control PWM timer with dead-time generation and emergency stop.
- Communication Interfaces: Multiple interfaces including I2C, SPI, I2S, USART, USB 2.0 OTG, and CAN.
- Low Power Modes: Sleep, Stop, and Standby modes for low-power applications.
- Debugging and Trace: Serial wire debug (SWD) and JTAG interfaces, along with Cortex®-M3 Embedded Trace Macrocell™.
- I/O Capabilities: Up to 80 fast I/O ports, with 51/80 I/Os being 5 V-tolerant.
Applications
The STM32F105R8T6 is versatile and suitable for a wide range of applications, including:
- Motor drives and application control
- Medical and handheld equipment
- Industrial applications, PLCs, inverters, printers, and scanners
- Alarm systems, video intercom, HVAC, and home audio equipment
Q & A
- What is the core architecture of the STM32F105R8T6?
The core architecture is based on the ARM® 32-bit Cortex®-M3 CPU.
- What is the maximum operating frequency of the STM32F105R8T6?
The maximum operating frequency is 72 MHz.
- How much Flash and SRAM memory does the STM32F105R8T6 have?
The device has 64 Kbytes of Flash memory and 64 Kbytes of SRAM.
- What is the operating temperature range of the STM32F105R8T6?
The operating temperature range is from -40 to +105 °C.
- What are the key communication interfaces available on the STM32F105R8T6?
The device features I2C, SPI, I2S, USART, USB 2.0 OTG, and CAN interfaces.
- Does the STM32F105R8T6 support low power modes?
Yes, it supports Sleep, Stop, and Standby modes for low-power applications.
- What type of package is the STM32F105R8T6 available in?
The device is available in an LQFP64 (10 × 10 mm) package.
- How many I/O ports does the STM32F105R8T6 have?
The device has up to 80 fast I/O ports, with 51/80 I/Os being 5 V-tolerant.
- What debugging interfaces are available on the STM32F105R8T6?
The device supports serial wire debug (SWD) and JTAG interfaces, along with Cortex®-M3 Embedded Trace Macrocell™.
- What are some common applications for the STM32F105R8T6?
Common applications include motor drives, medical and handheld equipment, industrial applications, and more.
