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  • STM32F103RCT6 - STM32F103RCT6 V1.0

    STM32F103RCT6 V1.0


    Board Name STM32F103RCT6_V1.0
    Brand Unknown
    Origin China
    Microcontroller Part STM32F103RCT6
    Package LQFP64
    Core Cortex-M3
    FLASH 256KB
    SRAM 48KB
    Max. Clock Speed 72MHz
    Crystals HSE (High Speed External) 8MHz
    LSE (Low Speed External) 32.768kHz
    Power Sources Any +3.3V pin (+3.3V)
    Any +5V pin (+5V)
    USB connector (+5V)
    Regulator manufacturer Advanced Monolithic Systems Inc.
    Regulator part number AMS1117
    Regulator package SOT223
    Output +3.3V @ 1000mA
    Battery holder Yes
    Connectivity Headers 2x 2x18 male dupont (2.54mm)
    Specific Serial (1x4 male dupont (2.54mm))
    OLED (1x7 female dupont (2.54mm))
    Debug SWD (1x4 male dupont (2.54mm))
    JTAG (20-pin IDC)
    USB Micro
    I/O LEDs Power LED (LED1, +3.3V)
    User LED (D2, PA8, sink)
    Buttons, switches and jumpers Reset button (RSET, NRST, active low)
    DIP-switch (BOOT0, BOOT1)
    User switch (KEY, PC0, active low)
    Switch (+5V from USB)
    1-way jumper (Enable user LED)
    1-way jumper (Enable USB D-)
    1-way jumper (Enable USB D+)
    Other devices Winbond W25Q16JV (16Mb FLASH)
    PCB Colour Black
    Size 71mm x 47mm
    Mounting 4x mounting hole (M3)
    • Warning: The +5V pins on this board are directly connected to the +5V pin of the USB connector. There is no protection in place. Do not power this board through USB and an external power supply at the same time.


    STM32F103RCT6 V1.0

    STM32F103RCT6 V1.0 Top view

    STM32F103RCT6 V1.0 Bottom view

    Header 1

    Pin Connected to
    B0 BOOT0
    PC0 PC0
    B1 BOOT1
    PC1 PC1
    PC2 PC2
    PD2 PD2
    PC3 PC3
    U-5V USB +5V rail
    PC4 PC4
    U-5V USB +5V rail
    PC5 PC5
    5V +5V rail
    PC6 PC6
    5V +5V rail
    PC7 PC7
    3V3 +3.3V rail
    PC8 PC8
    3V3 +3.3V rail
    PC9 PC9
    3V3 +3.3V rail
    PC10 PC10
    3V3 +3.3V rail
    PC11 PC11
    GND Ground plane
    PC12 PC12
    GND Ground plane
    PC13 PC13
    GND Ground plane
    PC14 PC14
    GND Ground plane
    PC15 PC15
    GND Ground plane
    3V3 +3.3V rail

    Header 2

    Pin Connected to
    3V3 +3.3V rail
    GND Ground plane
    PA15 PA15
    PB15 PB15
    PA14 PA14
    PB14 PB14
    PA13 PA13
    PB13 PB13
    PA12 PA12
    PB12 PB12
    PA11 PA11
    PB11 PB11
    PA10 PA10
    PB10 PB10
    PA9 PA9
    PB9 PB9
    PA8 PA8
    PB8 PB8
    PA7 PA7
    PB7 PB7
    PA6 PA6
    PB6 PB6
    PA5 PA5
    PB5 PB5
    PA4 PA4
    PB4 PB4
    PA3 PA3
    PB3 PB3
    PA2 PA2
    PB2 PB2
    PA1 PA1
    PB1 PB1
    PA0 PA0
    PB0 PB0
    3V3 +3.3V rail
    GND Ground plane


    Pin Connected to
    VCC +5V rail
    D- PA11
    D+ PA12
    ID N.C.
    GND Ground plane


    Pin Connected to
    GND Ground plane
    CLK PA14
    DIO PA13
    3.3 +3.3V rail


    Pin Connected to JTAG SWD
    1 +3.3V rail VCC -
    2 +3.3V rail VCC -
    3 PB4 TRST -
    4 Ground plane GND -
    5 PA15 TDI -
    6 Ground plane GND -
    7 PA13 TMS SWDIO
    8 Ground plane GND -
    10 Ground plane GND -
    11 N.C. RTCK -
    12 Ground plane GND -
    13 PB3 TDO SWO
    14 Ground plane GND -
    15 NRST RESET -
    16 Ground plane GND -
    17 N.C. N.C. -
    18 Ground plane GND -
    19 N.C. N.C. -
    20 Ground plane GND -


    Pin Connected to
    Tx PA9
    Rx PA10
    GND Ground plane
    3V3 +3.3V rail


    Pin Connected to
    GND Ground plane
    VCC +3.3V rail
    D0 PB13
    D1 PB15
    RES PB11
    DC PB10
    CS PB12

    IC - Winbond W25Q16JV (16Mb FLASH)

    Pin Connected to
    /CS +3.3V rail via 10kΩ resistor
    DO PA6
    IO2 +3.3V rail
    GND Ground plane
    DI PA7
    CLK PA5
    IO3 +3.3V rail
    VCC +3.3V rail