STM32F103RCT6

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STMicroelectronics STM32F103RCT6

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Part No.:
STM32F103RCT6
Manufacturer:
STMicroelectronics
Package:
64-LQFP
Datasheet:
STM32F103RCT6.pdf
Description:
IC MCU 32BIT 256KB FLASH 64LQFP
In Stock:
2211
Quantity:
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    STM32F103RCT6 informationSTM32F103RCT6 information

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    STM32F103RCT6 Pinout, Development Boards, and Arduino Projects

    The STM32F103RCT6 is a versatile 32-bit microcontroller from STMicroelectronics, popular in embedded systems, IoT devices, robotics, and DIY projects. This guide covers its pinout, Arduino integration, programming, circuit design, and development/debugging tips.


    Table of Contents

    1. Overview of STM32F103RCT6

    The STM32F103RCT6 is part of the STM32F103 series and has 64 pinout. Based on the ARM Cortex-M3 core, it can run at 72 MHz, and has high performance and rich peripheral interfaces. The STM32F103RCT6 provides a variety of input and output (I/O) options that can be used for a variety of different applications.


    2. STM32F103RCT6 pinout and packages

    The 64 pinout of the STM32F103RCT6 are rich in functionality and can be connected to various peripherals.

    2.1 pinout Configuration:

    STM32F103RCT6 pinout

    Pinout number
    Pinout name
    Description
    1
    VBAT
    Battery voltage input pinout, usually used to power RTC (real-time clock).
    2
    PC13 - TAMPER - RTC
    Tamper pinout for detecting external interference It can also be used as an input pinout of the RTC.
    3-4
    PC14 - OSC 32 _IN, PC15 - OSC 32 _OUT
    External 32.768kHz crystal input/output pinout for real-time clock module.
    5-6
    PD0, PD1 - OSC _IN/OUT
    External crystal input/output pinout.
    7
    NRST
    External reset pinout.
    8-11
    PC0 - PC3
    General Purpose Input/Output pinout (GPIO).
    12
    VSSA
    Analog ground, the pinout is used for the reference ground connection of the analog circuit.
    13
    VDDA
    Analog voltage input pinout used to supply power to analog circuits.
    14
    PA0 - WK_UP
    Wake-up pinout, which is used to wake up the system from low power mode.
    15-17
    PA1 - PA3
    General Purpose Input/Output pinout (GPIO).
    18-19
    V_ss_4, V_dd_4
    Power ground and power pinout to connect external power supply.
    20-23
    PA4 - PA7
    General Purpose Input/Output pinout (GPIO).
    24-25
    PC4 - PC5
    General Purpose Input/Output pinout (GPIO).
    26-28
    PB0 - PB2
    General Purpose Input/Output pinout (GPIO).
    29-30
    PB1 0, PB1 1
    General Purpose Input/Output pinout (GPIO), which can be used as digital signal input/output.
    31-32
    V_ss_1, V_dd_1
    Power ground and power pinout to connect external power supply.
    33-36
    PB12 - PB15
    General Purpose Input/Output pinout (GPIO).
    37-40
    PC6 - PC9
    General Purpose Input/Output pinout (GPIO).
    41-46
    PA8 - PA13
    General Purpose Input/Output pinout (GPIO).
    47-48
    V_ss_2, V_dd_2
    Power ground and power pinout to connect external power supply.
    49-50
    PA14, PA15
    General Purpose Input/Output pinout (GPIO).
    51-53
    PC10 - PC12
    General Purpose Input/Output pinout (GPIO).
    54
    PD2
    General Purpose Input/Output pinout (GPIO).
    55-59
    PB3 - PB7
    General Purpose Input/Output pinout (GPIO).
    60
    BOOT0
    The boot mode selection pinout is used to select the MCU's boot mode (e.g., boot from flash memory or boot from system memory).
    61-62
    PB8 - PB9
    General Purpose Input/Output pinout (GPIO).
    63-64
    Vss_3, VDD_3
    Power ground and power pinout to connect external power supply.

    This is just a brief description of the STM32F103RCT6 pinout. Detailed pinout configuration can be found in its datasheet or reference manual. Knowing the function of these pinout can help to choose the interface and function module reasonably when designing the circuit.

    2.2 STM32F103RCT6 package

    The STM32F103RCT6 Package type is LQFP-64 (Low-profile Quad Flat Package 64 pinout) and has the following specifications:

    STM32F103RCT6 package

    STM32F103RCT6 Footprint

    pinout spacing:0.8mm.

    Dimensions:10mm x 10mm.

    The design needs to ensure that the pads on the PCB match the pinout spacing and size of the STM32F103RCT6 for accurate installation and soldering.


    3. STM32F103RCT6 features

    parameters
    Specifications
    core
    ARM Cortex-M3 with a maximum operating frequency of 72 MHz
    Memory
    256KB Flash and 48KB SRAM
    Peripheral equipment
    Three UART, two I2C, two SPI, 12-bit ADC and PWM outputs
    Power supply
    The operating voltage range is 2.0V to 3.6V, and low power mode is supported
    Communication
    Built-in USB 2.0 full speed interface
    Debugging
    Support for SWD and JTAG debug interfaces
    Operating temperature
    -40°C to 85°C


    4. Application of STM32F103RCT6

    STM32F103RCT6 is widely used in all kinds of embedded systems, especially in occasions that require high performance and low power consumption. Here are some typical application areas:

    Industrial control : Used for sensor data acquisition, equipment monitoring and control systems, common in automation equipment and production lines.

    Internet of Things (IoT) : As the core control unit of smart devices, STM32F103RCT6 can connect sensors, wireless modules and cloud platforms to realize data acquisition and remote monitoring.

    Consumer electronics : Used in smart home, portable devices and consumer electronic products, such as smart watches, temperature and humidity monitors, etc.

    Automotive electronics : Used in automotive sensors, dashboards and vehicle communication systems to achieve real-time data processing and control.

    Robot : In the robot control system, STM32F103RCT6 is used to perform tasks, control servo motors, and process sensor data.

    Its rich peripheral support and flexible functional configuration make STM32F103RCT6 an ideal choice for a variety of embedded projects.


    5. Circuit design and schematic diagram

    When using STM32F103RCT6 for circuit design, it is necessary to understand the function and connection mode of its pinout. By proper circuit design, it can be ensured that the individual peripherals and pinout can work correctly.

    5.1 Basic circuit design

    A typical STM32F103RCT6 circuit includes:

    Power supply circuit : To ensure the stable power supply of STM32F103RCT6, it is usually necessary to provide 3.3V power supply to the development board through LDO or DC-DC converter.

    Reset circuit : The reset pinout (NRST) is used to reset the microcontroller when the power is turned on or when the program crashes.

    Clock circuit : Use external crystal or internal clock to provide clock signal for STM32F103RCT6.

    Peripheral connection : According to the project needs to connect different peripheral modules, such as LED, button, sensor, display, etc.

    5.2 Schematic design

    STM32F103RCT6 Schematic

    For schematic design, Electronic Design automation (EDA) tools such as KiCad and Altium Designer can be used. For beginners, it is also possible to directly use the development board of STM32F103RCT6, such as "Blue Pill", to quickly build a prototype by referring to the schematic diagram on its development board.

    5.3 Circuit Layout and Footprint

    When performing PCB layout, it is necessary to ensure that the pinout layout of STM32F103RCT6 is in line with practical applications. The pinout layout needs to refer to its pinout, especially when using a variety of peripherals, reasonable layout can effectively reduce signal interference and improve the stability of the circuit. The Footprint should be selected in accordance with the package of the STM32F103RCT6 chip used to ensure that it can be properly solded on the PCB.


    6. Development board of STM32F103RCT6

    In order to facilitate development and debugging, many developers choose to use development boards based on STM32F103RCT6, the most common of which is the Blue Pill development board. The Blue Pill development board provides an easy-to-use platform with all the required pinout and interfaces for beginner to intermediate project development.

    6.1 Blue Pill development board

    The Blue Pill development board has become the first choice for many embedded developers because of its low cost and powerful functions. It provides all the pinout of the STM32F103RCT6, supports standard debug interfaces such as SWD, and is compatible with the Arduino environment to make development easier.

    6.2 Characteristics

    Small size : Suitable for embedding various small projects.

    Abundant pinout : Provides a variety of input and output interfaces, including GPIO, UART, SPI, I2C, etc.

    Open source support : There is a lot of community support, you can find many tutorials and sample code to get started quickly.

    With Blue Pill, you can easily apply STM32F103RCT6 to real projects, while taking advantage of the simple programming environment of Arduino IDE to reduce the difficulty of development.


    7. Developed using STM32F103RCT6 with Arduino

    STM32F103RCT6 Arduino

    7.1 How to use STM32F103RCT6 in Arduino?

    When using STM32F103RCT6, you can integrate it with Arduino by following these steps:

    Install the STM32 board support package : In Arduino IDE, you need to install the STM32 board support package. Board support for STM32 can be added via Arduino's library manager.

    Select STM32 development board : In Arduino IDE, select the appropriate STM32 development board. The development board for the STM32F103RCT6 is commonly known as the Blue Pill.

    Programming STM32 : With Arduino IDE, you can write code and upload to the STM32F103RCT6 development board just like programming a traditional Arduino development board.

    With these steps, you can use STM32F103RCT6 in combination with Arduino's development environment to quickly develop various projects.

    7.2 Dimensions of the STM32F103RCT6 Arduino

    The size of the STM32F103RCT6 Arduino development board is 60mm x 50mm. This size makes the development board suitable for various embedded projects, providing enough space to lay out pinout and peripheral interfaces.


    8. Programming STM32F103RCT6: Bootloader and IDE

    The STM32F103RCT6 supports programming via bootloader, which makes firmware updates and code uploads easier.

    8.1 Use Bootloader programming

    The bootloader of STM32F103RCT6 supports programming through UART or USB interface. By loading the bootloader firmware, you can upload the program code directly to the microcontroller without an external programmer.

    8.2 Programming with an IDE

    To program and debug the STM32F103RCT6 more efficiently, you can use professional development tools such as STM32CubeIDE or Keil. These tools provide graphical development environments that support sophisticated debugging and code optimization capabilities.


    9. Sum up

    The STM32F103RCT6 is a high performance and feature rich microcontroller suitable for various embedded applications. In this paper, we describe the STM32F103RCT6 pinout, development board selection (such as Blue Pill), how to program in combination with Arduino, and how to do circuit design and programming. By referring to the datasheet and reference manual of STM32F103RCT6, developers can design and debug their projects more efficiently, and give full play to the powerful functions of STM32F103RCT6.


    Frequently Asked Questions

    1. What is the price of STM32F103RCT6?

    The STM32F103RCT6 is typically priced between $2 and $5, depending on the quantity purchased and the supplier.

    2. Where can I find the data sheet for STM32F103RCT6?

    The data sheet for the STM32F103RCT6 can be found on our official website.

    3. What is the memory capacity of the STM32F103RCT6?

    256KB Flash and 48KB SRAM.

    4. What peripheral interfaces does the STM32F103RCT6 support?

    3 USART, 2 SPI, 2 I2C, 12-bit ADC, PWM output.

    5. How to use STM32F103RCT6 timer?

    Configure or use HAL library functions with STM32CubeMX.

    6. What debugging interfaces does the STM32F103RCT6 support?

    Supports SWD and JTAG interfaces.

    7. What are the hardware limitations of STM32F103RCT6?

    Limited memory, up to 256KB Flash, suitable for smaller applications.

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    (1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

    (2)We are informed of the defect described above within 90 days after the delivery of STM32F103RCT6.

    (3)The PartNo is unused and only in the original unpacked packaging.

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    (1)Inform us within 90 days

    (2)Obtain Requesting Return Authorizations

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