Overview
The STM32F103RET6TR is a high-performance microcontroller from STMicroelectronics, part of the STM32F103xC, STM32F103xD, and STM32F103xE family. This device is built around the ARM® 32-bit Cortex®-M3 CPU, which operates at a maximum frequency of 72 MHz. It features high-speed embedded memories, including up to 512 Kbytes of Flash memory and up to 64 Kbytes of SRAM. The microcontroller is designed for a wide range of applications due to its extensive set of enhanced I/Os and peripherals.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® 32-bit Cortex®-M3 CPU |
| Maximum Frequency | 72 MHz |
| Flash Memory | Up to 512 Kbytes |
| SRAM | Up to 64 Kbytes |
| ADCs | 3 × 12-bit, up to 21 channels |
| DACs | 2 × 12-bit |
| Timers | Up to 11 timers (including 4 × 16-bit timers, 2 × 16-bit motor control PWM timers, and more) |
| Communication Interfaces | Up to 2 × I2C, 3 × SPI, 2 × I2S, 1 × SDIO, 5 × USART, 1 × USB, 1 × CAN (2.0B Active) |
| Operating Temperature | -40 to +105 °C |
| Power Supply | 2.0 to 3.6 V |
| I/Os | Up to 112 fast I/O ports |
Key Features
- High-performance ARM® 32-bit Cortex®-M3 CPU with single-cycle multiplication and hardware division.
- High-speed embedded memories: up to 512 Kbytes of Flash memory and up to 64 Kbytes of SRAM.
- Extensive range of enhanced I/Os and peripherals connected to two APB buses.
- Three 12-bit ADCs with up to 21 channels, and two 12-bit DACs.
- Up to 11 timers, including motor control PWM timers and watchdog timers.
- Comprehensive set of communication interfaces: I2C, SPI, I2S, SDIO, USART, USB, and CAN.
- Low power modes: Sleep, Stop, and Standby modes.
- VBAT supply for RTC and backup registers.
- Serial wire debug (SWD) and JTAG interfaces, along with Cortex®-M3 Embedded Trace Macrocell™.
- CRC calculation unit and 96-bit unique ID.
Applications
- Motor drives and control systems.
- Application control and automation.
- Medical and handheld equipment.
- PC and gaming peripherals.
- GPS platforms.
- Industrial applications, including PLCs, inverters, and printers.
- Alarm systems and video intercoms.
- HVAC systems.
Q & A
- What is the core architecture of the STM32F103RET6TR?
The core architecture is based on the ARM® 32-bit Cortex®-M3 CPU.
- What is the maximum operating frequency of the STM32F103RET6TR?
The maximum operating frequency is 72 MHz.
- How much Flash and SRAM memory does the STM32F103RET6TR have?
It has up to 512 Kbytes of Flash memory and up to 64 Kbytes of SRAM.
- What types of ADCs and DACs are available on the STM32F103RET6TR?
It features three 12-bit ADCs with up to 21 channels and two 12-bit DACs.
- What communication interfaces are supported by the STM32F103RET6TR?
It supports I2C, SPI, I2S, SDIO, USART, USB, and CAN interfaces.
- What is the operating temperature range of the STM32F103RET6TR?
The operating temperature range is -40 to +105 °C.
- What power supply range does the STM32F103RET6TR operate within?
The power supply range is 2.0 to 3.6 V.
- Does the STM32F103RET6TR support low power modes?
Yes, it supports Sleep, Stop, and Standby modes.
- What debug interfaces are available on the STM32F103RET6TR?
It supports serial wire debug (SWD) and JTAG interfaces.
- What is the purpose of the VBAT supply on the STM32F103RET6TR?
The VBAT supply is for the RTC and backup registers.
- What is the significance of the Cortex®-M3 Embedded Trace Macrocell™ on the STM32F103RET6TR?
It provides advanced debugging and tracing capabilities.
