Overview
The STM32F103R8T7TR is a microcontroller from STMicroelectronics, part of the STM32F103xx medium-density performance line family. This device 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 128 Kbytes of Flash memory and 20 Kbytes of SRAM. The microcontroller is designed to support a wide range of applications with its extensive set of enhanced I/Os and peripherals connected to two APB buses.
Key Specifications
| Parameter | Specification |
|---|---|
| CPU Core | Arm® 32-bit Cortex®-M3 |
| Maximum Frequency | 72 MHz |
| Flash Memory | Up to 128 Kbytes |
| SRAM | 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 I2C, up to two SPI, three USART, USB 2.0 full-speed, and CAN 2.0B Active |
| Operating Temperature | -40°C to +85°C or -40°C to +105°C (extended temperature range) |
| Power Supply | 2.0 to 3.6 V |
| I/Os | Up to 51 high current I/Os |
| DMA | 7-channel DMA controller |
Key Features
- High-Performance CPU: Arm® 32-bit Cortex®-M3 CPU core with a maximum frequency of 72 MHz and 1.25 DMIPS/MHz performance.
- Memory: Up to 128 Kbytes of Flash memory and 20 Kbytes of SRAM.
- ADCs: Two 12-bit, 1 µs A/D converters with up to 16 channels, dual-sample and hold capability, and a temperature sensor.
- Timers: Three 16-bit timers, one 16-bit motor control PWM timer, two watchdog timers, and a SysTick timer.
- Communication Interfaces: Up to two I2C, up to two SPI, three USART, USB 2.0 full-speed, and CAN 2.0B Active.
- Power Management: Sleep, Stop, and Standby modes, VBAT supply for RTC and backup registers.
- DMA: 7-channel DMA controller supporting timers, ADC, SPIs, I2Cs, and USARTs.
- I/Os: Up to 51 high current I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant.
Applications
The STM32F103R8T7TR 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 portable medical devices.
- Automotive Systems: In-vehicle systems, including infotainment and control systems.
- IoT Devices: Internet of Things applications requiring low power and high performance.
Q & A
- What is the maximum operating frequency of the STM32F103R8T7TR?
The maximum operating frequency is 72 MHz.
- How much Flash memory does the STM32F103R8T7TR have?
It has up to 128 Kbytes of Flash memory.
- What types of communication interfaces are available on the STM32F103R8T7TR?
It includes up to two I2C, up to two SPI, three USART, USB 2.0 full-speed, and CAN 2.0B Active interfaces.
- What is the operating temperature range of the STM32F103R8T7TR?
The operating temperature range is -40°C to +85°C or -40°C to +105°C (extended temperature range).
- Does the STM32F103R8T7TR support DMA?
Yes, it supports a 7-channel DMA controller.
- What is the power supply range for the STM32F103R8T7TR?
The power supply range is 2.0 to 3.6 V.
- How many high current I/Os does the STM32F103R8T7TR have?
It has up to 51 high current I/Os.
- What types of timers are available on the STM32F103R8T7TR?
It includes three 16-bit timers, one 16-bit motor control PWM timer, two watchdog timers, and a SysTick timer.
- Does the STM32F103R8T7TR support low-power modes?
Yes, it supports Sleep, Stop, and Standby modes.
- What is the conversion range of the ADCs on the STM32F103R8T7TR?
The conversion range of the ADCs is 0 to 3.6 V.
