Overview
The STM32F103RET6 is a high-density performance microcontroller unit (MCU) from STMicroelectronics. It features the ARM® Cortex®-M3 32-bit RISC core, operating at a maximum frequency of 72 MHz. This MCU is part of the STM32F103xC, STM32F103xD, and STM32F103xE family, known for their high-performance capabilities and extensive range of peripherals.
The device includes 512 Kbytes of Flash memory and 64 Kbytes of SRAM, along with a variety of communication interfaces such as USB 2.0 full speed, CAN 2.0B, five USARTs, three SPIs, two I²Cs, and two I²S interfaces. It also incorporates three 12-bit ADCs, two 12-bit DACs, and multiple timers, making it versatile for various applications.
Key Specifications
| Attribute | Specification |
|---|---|
| Core Processor | ARM Cortex-M3 32-bit RISC core |
| Maximum Frequency | 72 MHz |
| Flash Memory | 512 Kbytes |
| SRAM | 64 Kbytes |
| Supply Voltage | 2.0 to 3.6 V |
| Operating Temperature | -40°C to +85°C |
| ADCs | 3 × 12-bit, up to 21 channels |
| DACs | 2 × 12-bit |
| Timers | Up to 11 timers (including 4 general-purpose 16-bit timers and 2 motor control PWM timers) |
| Communication Interfaces | Up to 2 I²Cs, 3 SPIs, 2 I²Ss, 1 SDIO, 5 USARTs, USB 2.0 full speed, CAN 2.0B |
| Package Style | LQFP-64 |
| Mounting Method | Surface Mount |
Key Features
- ARM® 32-bit Cortex®-M3 CPU core with single-cycle multiplication and hardware division
- 512 Kbytes of Flash memory and 64 Kbytes of SRAM
- Three 12-bit ADCs with up to 21 channels and two 12-bit DACs
- Up to 11 timers, including four general-purpose 16-bit timers and two motor control PWM timers
- Extensive range of communication interfaces: USB 2.0 full speed, CAN 2.0B, five USARTs, three SPIs, two I²Cs, and two I²Ss
- Serial wire debug (SWD) & JTAG interfaces and Cortex®-M3 Embedded Trace Macrocell™
- Low power modes: Sleep, Stop, and Standby
- VBAT supply for RTC and backup registers
- CRC calculation unit and 96-bit unique ID
- ECOPACK® packages
Applications
The STM32F103RET6 is suitable for a wide range of applications due to its comprehensive set of peripherals and high-performance capabilities. Some of the key application areas include:
- Motor drives and control systems
- Application control and automation
- Medical and handheld equipment
- PC and gaming peripherals
- GPS platforms
- Industrial applications, including PLCs and inverters
- Printers, scanners, and alarm systems
- Video intercom and HVAC systems
Q & A
- What is the core processor of the STM32F103RET6?
The core processor is the ARM® 32-bit Cortex®-M3 RISC core.
- What is the maximum operating frequency of the STM32F103RET6?
The maximum operating frequency is 72 MHz.
- How much Flash and SRAM memory does the STM32F103RET6 have?
The device has 512 Kbytes of Flash memory and 64 Kbytes of SRAM.
- What are the key communication interfaces available on the STM32F103RET6?
The device includes USB 2.0 full speed, CAN 2.0B, five USARTs, three SPIs, two I²Cs, and two I²Ss.
- How many ADC and DAC channels does the STM32F103RET6 have?
The device has three 12-bit ADCs with up to 21 channels and two 12-bit DACs.
- What are the power supply and operating temperature ranges of the STM32F103RET6?
The device operates from a 2.0 to 3.6 V power supply and has an operating temperature range of -40°C to +85°C.
- Does the STM32F103RET6 support low power modes?
Yes, it supports Sleep, Stop, and Standby modes.
- What is the package style and mounting method of the STM32F103RET6?
The package style is LQFP-64, and the mounting method is Surface Mount.
- What debug interfaces are available on the STM32F103RET6?
The device supports serial wire debug (SWD) & JTAG interfaces and Cortex®-M3 Embedded Trace Macrocell™.
- What are some typical applications of the STM32F103RET6?
Typical applications include motor drives, medical and handheld equipment, PC and gaming peripherals, GPS platforms, and industrial applications.
