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  • STM32F103RCT6 - STM32 Mini V2.0

    STM32 Mini V2.0

    Overview

    Board Name STM32 Mini V2.0
    Brand Unknown
    Origin AliExpress, 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 No
    Connectivity Headers 2x 2x15 male dupont (2.54mm)
    Specific Serial (1x4 male dupont (2.54mm))
    OLED (1x8 female dupont (2.54mm))
    NRF2401 (2x4 female dupont (2.54mm)
    Debug JTAG (20-pin IDC))
    USB Mini
    I/O LEDs Power LED (D2, +3.3V)
    User LED (D1, PD2, sink)
    User LED (D0, PA8, sink)
    Buttons, switches and jumpers Reset button (REST, NRST)
    2-way jumper (BOOT0)
    2-way jumper (BOOT1)
    User button (WK_UP, PA0, active high)
    User button (KEY1, PC13, active low)
    User button (KEY0, PC1, active low)
    Other devices Winbond W25Q16JV (16Mb FLASH)
    PCB Colour Black
    Size 62mm x 57mm
    Mounting 4x mounting hole (M3)
    Remarks
    • 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.

    Pictures

    STM32 Mini V2.0

    STM32 Mini V2.0 Top view

    STM32 Mini V2.0 Bottom view

    Header 1

    Pin Connected to
    PA12 PA12
    5V +5V rail
    PA11 PA11
    GND Ground plane
    PB9 PB9
    GND Ground plane
    PB7 PB7
    PB8 PB8
    PB5 PB5
    PB6 PB6
    PB3 PB3
    PB4 PB4
    PC12 PC12
    PD2 PD2
    PC10 PC10
    PC11 PC11
    PA14 PA14
    PA15 PA15
    PA10 PA10
    PA13 PA13
    PA8 PA8
    PA8 PA9
    PC8 PC8
    PC9 PC9
    PC6 PC6
    PC7 PC7
    PB14 PB14
    PB15 PB15
    PB12 PB12
    PB13 PB13

    Header 2

    Pin Connected to
    GND Ground plane
    GND Ground plane
    BT0 BOOT0
    BT1 BOOT1
    3V3 +3.3V rail
    3V3 +3.3V rail
    PB10 PB10
    PB11 PB11
    PB0 PB0
    PB1 PB1
    PC4 PC4
    PC5 PC5
    PA6 PA6
    PA7 PA7
    PA4 PA4
    PA5 PA5
    PA2 PA2
    PA3 PA3
    PA0 PA0
    PA1 PA1
    PC2 PC2
    PC3 PC3
    PC0 PC0
    PC1 PC1
    GND Ground plane
    PC13 PC13
    GND Ground plane
    PC14 PC14
    3V3 +3.3V
    PC15 PC15

    USB

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

    JTAG

    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 -
    9 PA14 TCLK SWCLK
    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 -

    Serial

    Pin Connected to
    Tx PA9
    Rx PA10
    GND Ground plane
    5V +5V rail

    OLED

    Pin Connected to
    NC N.C.
    A0 PC6
    RST NRST
    CS PB12
    SCL PB13
    SDI PB15
    GND Ground plane
    3V +3.3V rail

    NRF2401

    Pin Connected to
    GND Ground plane
    VCC +3.3V rail
    CE PA4
    CSN PC4
    SCK PA5
    MOSI PA7
    MISO PA6
    IRQ PC5

    IC - Winbond W25Q16JV (16Mb FLASH)

    Pin Connected to
    /CS PA2, +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