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