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  • STM32F407VGT6 - SR board

    SR board

    Overview

    Board Name SR
    Brand Unknown
    Origin China
    Microcontroller Part STM32F407VGT6
    Package LQFP100
    Core Cortex-M4
    FLASH 1024KB
    SRAM 128KB
    64KB (CCM)
    4KB (Backup)
    Max. Clock Speed 168MHz
    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 2x22 male dupont (2.54mm)
    Specific SD card
    Serial (1x2 male dupont (2.54))
    Debug JTAG (20-pin IDC)
    USB Micro
    I/O LEDs Power LED (D1, +3.3V)
    User LED (D2, PB0, sink)
    Buttons, switches and jumpers Reset button (NRST, active low)
    DIP-switch (BOOT0, BOOT1)
    User button (KEY, PA0, active low)
    Other devices None
    PCB Colour Black
    Size 59mm x 46mm
    Mounting None
    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

    SR board

    SR board Top view

    SR board Bottom view

    Header 1

    Pin Connected to
    GND Ground plane
    GND Ground plane
    3.3V +3.3V rail
    3.3V +3.3V rail
    5V +5V rail
    5V +5V rail
    B10 PB10
    B11 PB11
    E14 PE14
    E15 PE15
    E12 PE12
    E13 PE13
    E10 PE10
    E11 PE11
    E8 PE8
    E9 PE9
    B2 PB2
    E7 PE7
    B0 PB0
    B1 PB1
    C4 PC4
    C5 PC5
    A6 PA6
    A7 PA7
    A4 PA4
    A5 PA5
    A2 PA2
    A3 PA3
    A0 PA0
    A1 PA1
    C2 PC2
    C3 PC3
    C0 PC0
    C1 PC1
    C15 PC15
    RST NRST
    C13 PC13
    C14 PC14
    E6 PE6
    VBAT VBAT
    E4 PE4
    E5 PE5
    E2 PE2
    E3 PE3

    Header 2

    Pin Connected to
    E1 PE1
    E0 PE0
    B9 PB9
    B8 PB8
    B7 PB7
    B6 PB6
    B5 PB5
    B4 PB4
    B3 PB3
    D7 PD7
    D6 PD6
    D5 PD5
    D4 PD4
    D3 PD3
    D2 PD2
    D1 PD1
    D0 PD0
    C12 PC12
    C11 PC11
    C10 PC10
    A15 PA15
    A14 PA14
    A13 PA13
    A12 PA12
    A10 PA10
    A11 PA11
    A8 PA8
    A9 PA9
    C8 PC8
    C9 PC9
    C6 PC6
    C7 PC7
    D14 PD14
    D15 PD15
    D12 PD12
    D13 PD13
    D10 PD10
    D11 PD11
    D8 PD8
    D9 PD9
    B14 PB14
    B15 PB15
    B12 PB12
    B13 PB13

    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 +5V rail N.C. -
    20 Ground plane GND -

    SD-card connector

    Pin Connected to
    RSV PC10
    CS PC11
    DI PD2
    VCC +3.3V rail
    SCLK PC12
    GND Ground plane
    DO PC8
    RSV PC9
    CD PC7
    BODY Ground plane