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STM32F103RCT6 is a 32-bit microcontroller based on the ARM Cortex-M3 core produced by STMicroelectronics. It belongs to the Performance line of the STM32F1 series of microcontrollers. This model is widely used in embedded systems. It has powerful performance and rich peripheral interfaces, and is very suitable for consumer electronics, industrial control, medical equipment and the Internet of Things.
Typical applications of STM32F103RCT6
STM32F103RCT6 is commonly used in the following fields:
Industrial control: such as PLC, sensor interface, signal processing, etc.
Internet of Things devices: suitable for low-power, networked applications.
Consumer electronics: smart home, home appliance control, etc.
Automotive electronics: such as vehicle control systems, CAN bus communication equipment, etc.
Medical equipment: portable medical instruments and monitoring equipment.
STM32F103RCT6 development board parameters:
| Parameter | Value |
|---|---|
| Core | ARM Cortex-M3, 72 MHz, 32-bit RISC architecture |
| Flash memory | 256 KB |
| SRAM | 48 KB |
| Operating voltage | 2.0V to 3.6V |
| Operating frequency | 72 MHz |
| Clock | Internal 8 MHz RC oscillator, external crystal supports 8 MHz to 25 MHz |
| GPIO | Up to 51 general-purpose input and output pins (GPIO) |
| USART/UART | 3 |
| I2C | 2 |
| SPI | 3 |
| USB interface | USB 2.0 full-speed device mode |
| CAN bus | 1 CAN interface |
| Timer | 3 16-bit timers, 1 32-bit timer, 2 watchdog timers |
| ADC | 12-bit, 16 channels, sampling speed up to 1 MSPS |
| DMA channel | 7 DMA channels |
| Low power mode | Sleep mode, stop mode, standby mode |
| Real-time clock (RTC) | Support date and time management |
| Package type | LQFP-64 (64 pins) |
| Operating temperature | -40°C to +85°C |
| Power consumption | Low typical operating power consumption, supports multiple low power modes |
| Peripheral interface | GPIO, ADC, USART, I2C, SPI, USB, CAN, RTC, timer |
This table summarizes the key features of the STM32F103RCT6.
STM32F103RCT6 Pinout
STM32F103RCT6 Pin diagram
STM32F103RCT6 Project Video
[STM32 Programming] I2C Peripheral Control Programming.
STM32F103RCT6 Datasheet PDF and Reference Manual
Download datasheets and manufacturer documentation for STM32F103RCT6
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STM32F103RCT6 Similar and Replacement
STM32F103RCT6 belongs to the STM32F1 series of microcontrollers. If you need to find a model with similar functions and performance or a direct replacement, you can mainly consider other models in the same series or microcontrollers with similar functions, pins, and packages. Here are several similar or replaceable products:
1. STM32F103 series
STM32F103C8T6: This is a lower-end model in the STM32F103 series, with fewer resources, but the basic features (ARM Cortex-M3 core, peripheral interfaces) are similar to the STM32F103RCT6.
STM32F103RET6: Similar to the STM32F103RCT6, with the same pin layout and peripherals, but with larger Flash and SRAM capacity.
STM32F103VET6: The pin count is expanded to provide more GPIO and peripheral interfaces, but the basic performance is similar.
Other models of the STM32F1 series
STM32F101RCT6: The STM32F101 is the "value line" product of the STM32F1, with a slightly lower processor frequency (36 MHz) and peripheral functions similar to the STM32F103RCT6, but with slightly inferior performance.
STM32F105RCT6: The STM32F105 belongs to the Connectivity Line, with stronger peripheral support, including USB OTG and Ethernet functions, suitable for more connected applications.
2. Other STM32 series microcontrollers
STM32F303RCT6: The STM32F3 series is similar in performance and functionality, and has stronger floating-point computing capabilities, but is still suitable for most STM32F103 applications.
STM32L152RCT6: The STM32L series belongs to the low-power series, suitable for scenarios that require extremely low power consumption, such as the Internet of Things and battery-powered devices. Although the clock frequency is low, the power consumption is very well optimized.
3. Similar products from other manufacturers
NXP LPC1768: Provides a wealth of peripherals and communication interfaces (I2C, SPI, UART, USB and CAN), suitable for industrial control, IoT and other applications, rich resources and similar pin count.
TI MSP432P401R: This model has low power consumption and is suitable for battery-powered equipment applications. Supports a wealth of peripherals and communication interfaces, but has floating-point computing capabilities (Cortex-M4F core).
Atmel (Microchip) ATSAM3X8E: This chip is rich in resources and has many peripherals, suitable for similar applications, especially those with Ethernet, USB and CAN.
Replacement selection considerations:
Pin compatibility: If you want to replace quickly, choosing a model that is packaged and pin-compatible with the STM32F103RCT6 (such as STM32F105RCT6 or STM32F303RCT6) will reduce the workload of redesign.
Functional similarity: Whether peripheral functions and storage capacity are sufficient is an important consideration when replacing models. Other STM32 series such as F3 and F4 series can be used as performance upgrade options.
Power requirements: If the power requirements are high, the STM32L series or other low-power microcontrollers (such as MSP432) are suitable replacement solutions.
Application scenarios: When replacing, consider whether the performance of the new model in the specific application scenario meets the requirements. For example, automotive applications may require AEC-Q100 certified models.
Summary:
STM32F103RET6 and STM32F105RCT6 are the closest direct replacement models with similar functions and pin configurations.
STM32F303RCT6 and STM32L152RCT6 are alternatives with enhanced functions and low power consumption.
LPC1768 and ATSAM3X8E are viable replacement models from other manufacturers with similar processing power and peripherals.
FAQs about STM32F103RCT6:
1. What is STM32F103RCT6?
A: STM32F103RCT6 is a 32-bit microcontroller based on ARM Cortex-M3 core produced by STMicroelectronics. It belongs to the performance line of STM32F1 series, with 72 MHz main frequency, 256 KB Flash memory, 48 KB SRAM and rich peripheral interfaces, suitable for a variety of embedded system applications.
2. What is the package type of STM32F103RCT6?
A: STM32F103RCT6 uses LQFP-64 package, which is 64-pin low pin count quad flat package. This is a package suitable for surface mounting and is often used in circuit board design with small space.
3. What is the operating voltage range of STM32F103RCT6?
A: The operating voltage range of STM32F103RCT6 is 2.0V to 3.6V. This makes it suitable for low-power and battery-powered applications.
4. What communication interfaces does STM32F103RCT6 support?
A: STM32F103RCT6 supports multiple communication interfaces, including:
3 USART/UART interfaces: for serial communication.
2 I2C interfaces: for serial communication between devices.
3 SPI interfaces: support high-speed serial peripheral communication.
1 CAN bus interface: for communication in automotive and industrial fields.
USB 2.0 full-speed interface: for USB device mode communication.
5. How many GPIO pins does STM32F103RCT6 support?
A: STM32F103RCT6 provides 51 general-purpose input and output (GPIO) pins, which can be configured for multiple functions, including digital input/output, peripheral function multiplexing, etc.
6. What is the main frequency of STM32F103RCT6?
A: STM32F103RCT6 uses ARM Cortex-M3 core with a main frequency of up to 72 MHz, which can meet the processing requirements of various embedded applications.
7. What low-power modes does STM32F103RCT6 support?
A: STM32F103RCT6 supports multiple low-power modes, including:
Sleep mode: suspend CPU, peripherals continue to work.
Stop mode: suspend all clocks, keep RAM and register data.
Standby mode: lowest power mode, all clocks and voltage regulators are turned off, only backup registers are retained.
8. What timers does STM32F103RCT6 have?
A: STM32F103RCT6 includes multiple timers:
3 16-bit timers: support input capture, output comparison, PWM generation and basic counting functions.
1 32-bit timer: support more complex timing functions.
2 watchdog timers: used to monitor system operation and prevent crashes.
SysTick timer: used for operating system scheduling or timing applications.
9. Can STM32F103RCT6 be used for USB device applications?
Answer: Yes, STM32F103RCT6 has a USB 2.0 full-speed interface and can work in USB device mode, which is very suitable for implementing USB communication functions such as USB HID devices, USB storage devices, etc.
10. What are the ADC specifications of STM32F103RCT6?
Answer: STM32F103RCT6 has a 12-bit ADC and provides 16 channels. Its sampling speed can reach 1 MSPS (million samples per second), which is suitable for the acquisition and processing of various analog signals.
11. Does STM32F103RCT6 support external interrupts?
Answer: Yes, STM32F103RCT6 supports up to 16 external
Interrupts can be triggered by events on external pins, and each interrupt can be independently configured as rising edge, falling edge, or both edges.
12. What is the operating temperature range of the STM32F103RCT6?
Answer: The operating temperature range of the STM32F103RCT6 is -40°C to +85°C, which is suitable for industrial environment applications. Depending on the needs, industrial-grade products with a higher temperature range can also be selected.
13. What is the pin compatibility of the STM32F103RCT6?
Answer: The STM32F103RCT6 belongs to the STM32F1 series and has a standard pinout. Its pins are mostly pin-compatible with other models in the STM32F103 series (such as the STM32F103RET6), so it can easily replace other models in the same series.
14. Does the STM32F103RCT6 support floating-point operations?
Answer: No. STM32F103RCT6 uses the ARM Cortex-M3 core, which does not support hardware floating-point operations. If you need to support hardware floating-point operations, you can choose an STM32 microcontroller with an ARM Cortex-M4 or Cortex-M7 core (such as the STM32F4 series).