Overview
The STM32F103RCT7 is a high-performance microcontroller from STMicroelectronics, part of the STM32F103xC, STM32F103xD, and STM32F103xE family. It is based on the ARM® Cortex®-M3 32-bit RISC core, operating at a maximum frequency of 72 MHz. This microcontroller is designed for a wide range of applications due to its extensive set of peripherals and enhanced I/Os.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® 32-bit Cortex®-M3 CPU |
| Maximum Frequency | 72 MHz |
| Performance | 1.25 DMIPS/MHz (Dhrystone 2.1) at 0 wait state memory access |
| Flash Memory | 256 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, 5 × USART, 1 × USB, 1 × CAN (2.0B Active), 1 × SDIO |
| Operating Temperature | -40 to +105 °C |
| Power Supply | 2.0 to 3.6 V |
| I/Os | Up to 112 fast I/O ports, all mappable on 16 external interrupt vectors |
Key Features
- Single-cycle multiplication and hardware division
- Flexible static memory controller with 4 Chip Select, supporting Compact Flash, SRAM, PSRAM, NOR, and NAND memories
- LCD parallel interface, 8080/6800 modes
- Clock, reset, and supply management with POR, PDR, and programmable voltage detector (PVD)
- Internal oscillators: 8 MHz factory-trimmed RC, 40 kHz RC with calibration, and 32 kHz oscillator for RTC with calibration
- Low power modes: Sleep, Stop, and Standby modes with VBAT supply for RTC and backup registers
- 12-channel DMA controller supporting peripherals like timers, ADCs, DAC, SDIO, I2Ss, SPIs, I2Cs, and USARTs
- Debug mode with Serial Wire Debug (SWD) & JTAG interfaces and Cortex®-M3 Embedded Trace Macrocell™
Applications
- Motor drives
- Application control
- Medical and handheld equipment
- PC and gaming peripherals
- GPS platforms
- Industrial applications
- PLCs, inverters, printers, scanners
- Alarm systems, video intercom, and HVAC
Q & A
- What is the core architecture of the STM32F103RCT7?
The STM32F103RCT7 is based on the ARM® 32-bit Cortex®-M3 CPU.
- What is the maximum operating frequency of the STM32F103RCT7?
The maximum operating frequency is 72 MHz.
- How much Flash and SRAM memory does the STM32F103RCT7 have?
The STM32F103RCT7 has 256 to 512 Kbytes of Flash memory and up to 64 Kbytes of SRAM.
- What types of communication interfaces are available on the STM32F103RCT7?
The microcontroller features up to 2 × I2C, 3 × SPI, 2 × I2S, 5 × USART, 1 × USB, 1 × CAN (2.0B Active), and 1 × SDIO interfaces.
- What are the operating temperature and power supply ranges for the STM32F103RCT7?
The operating temperature range is -40 to +105 °C, and the power supply range is 2.0 to 3.6 V.
- Does the STM32F103RCT7 support low power modes?
Yes, it supports Sleep, Stop, and Standby modes with VBAT supply for RTC and backup registers.
- What kind of debug interfaces are available on the STM32F103RCT7?
The microcontroller features Serial Wire Debug (SWD) & JTAG interfaces and Cortex®-M3 Embedded Trace Macrocell™.
- How many I/O ports does the STM32F103RCT7 have?
The microcontroller has up to 112 fast I/O ports, all mappable on 16 external interrupt vectors.
- What types of timers are available on the STM32F103RCT7?
The microcontroller includes up to 11 timers, including 4 × 16-bit timers, 2 × 16-bit motor control PWM timers, and more.
- Does the STM32F103RCT7 support DMA operations?
Yes, it has a 12-channel DMA controller supporting various peripherals.
