Diymore STM32F4
STM32F407VGT6
Board
| Name | Diymore STM32F4 |
| Part | STM32-407 |
| Brand | Diymore |
| Origin | China |
Microcontroller
| Part | STM32F407VGT6 |
| Manufacturer | ST-Microelectronics |
| Core | Arm Cortex-M4 |
| Max. Clock Speed | 168MHz |
| Package | LQFP 100 pins |
Internal memories
| FLASH | 1024KiB |
| SRAM | 192KiB |
| Backup SRAM | 4KiB |
Oscillators
| HSI | 16MHz |
| LSI | 32kHz |
| HSE | 8MHz |
| LSE | 32.768kHz |
Power
| Sources | Any +3.3V pin (+3.3V) Any +5V pin (+5V) USB connector (+5V) |
| VDDA pin | No |
| VSSA pin | No |
| VREF- pin | No |
| VREF+ pin | No |
| Backup battery | None |
Regulator
| Manufacturer | Shanghai TX Electronics Sci-Tech Co., Ltd |
| Part | TX6211B (DE=A1D) |
| Package | SOT23-5 5 pins |
| Input | +3.6V to +5.5V |
| Output | +3.3V @ 300mA |
| Datasheet | TX6211B.pdf |
PCB
| Color | Black |
| Size (w x l) | 45mm x 60mm |
| 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.
Resources
Connectors
Devices
None
Inputs & outputs
Reset button
| Name | - |
| Reference | - |
| Type | Button |
| Connected to | NRST |
| Mode | Active low |
BOOT0 jumper
| Name | BOOT0 |
| Reference | - |
| Type | 1-way jumper |
| Connected to | BOOT0 |
| Mode | Active low |
BOOT1 jumper
| Name | BOOT1 |
| Reference | - |
| Type | 1-way jumper |
| Connected to | PB2 |
| Mode | Active low |
User button
| Name | - |
| Reference | K2 |
| Type | Button |
| Connected to | PD15 |
| Mode | Active low |
Power LED
| Name | - |
| Reference | LED1 |
| Type | LED |
| Connected to | +3.3V rail |
| Mode | N.A. |
User LED
| Name | - |
| Reference | LED2 |
| Type | LED |
| Connected to | PE0 |
| Mode | Sink |
Connectors & headers
Header 1 properties
| Name | Unknown |
| Reference | None |
| Type | Pin header (2.54mm, 16x2, male) |
Header 1 pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | GND | - | Ground plane |
| 2 | VCC | - | +5V rail |
| 3 | GND | - | Ground plane |
| 4 | 3.3V | - | +3.3V rail |
| 5 | PE0 | - | PE0 |
| 6 | PB7 | - | PB7 |
| 7 | PB6 | - | PB6 |
| 8 | PB5 | - | PB5 |
| 9 | PB4 | - | PB4 |
| 10 | PB3 | - | PB3 |
| 11 | PD7 | - | PD7 |
| 12 | PD6 | - | PD6 |
| 13 | PD5 | - | PD5 |
| 14 | PD4 | - | PD4 |
| 15 | PD3 | - | PD3 |
| 16 | PD2 | - | PD2 |
| 17 | PD1 | - | PD1 |
| 18 | PD0 | - | PD0 |
| 19 | PC12 | - | PC12 |
| 20 | PC11 | - | PC11 |
| 21 | PC10 | - | PC10 |
| 22 | PA15 | - | PA15 |
| 23 | PA14 | - | PA14 |
| 24 | PA13 | - | PA13 |
| 25 | PA12 | - | PA12 |
| 26 | PA11 | - | PA11 |
| 27 | PA10 | - | PA10 |
| 28 | PA9 | - | PA9 |
| 29 | PA8 | - | PA8 |
| 30 | PC9 | - | PC9 |
| 31 | GND | - | Ground plane |
| 32 | VCC | - | +5V rail |
Header 2 properties
| Name | Unknown |
| Reference | None |
| Type | Pin header (2.54mm, 18x2, male) |
Header 2 pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | PE2 | - | PE2 |
| 2 | PE3 | - | PE3 |
| 3 | PE4 | - | PE4 |
| 4 | PE5 | - | PE5 |
| 5 | PE6 | - | PE6 |
| 6 | PC13 | - | PC13 |
| 7 | 3.3V | - | +3.3V rail |
| 8 | GND | - | Ground plane |
| 9 | PC0 | - | PC0 |
| 10 | PC1 | - | PC1 |
| 11 | PC2 | - | PC2 |
| 12 | PA0 | - | PA0 |
| 13 | PA1 | - | PA1 |
| 14 | PA2 | - | PA2 |
| 15 | PC3 | - | PC3 |
| 16 | PA3 | - | PA3 |
| 17 | PA4 | - | PA4 |
| 18 | PA5 | - | PA5 |
| 19 | PA6 | - | PA6 |
| 20 | PA7 | - | PA7 |
| 21 | PC4 | - | PC4 |
| 22 | PC5 | - | PC5 |
| 23 | PB0 | - | PB0 |
| 24 | PB1 | - | PB1 |
| 25 | PB8 | - | PB8 |
| 26 | PB9 | - | PB9 |
| 27 | PE1 | - | PE1 |
| 28 | PE7 | - | PE7 |
| 29 | PE8 | - | PE8 |
| 30 | PE9 | - | PE9 |
| 31 | PE10 | - | PE10 |
| 32 | PB2 | - | PB2 |
| 33 | BOOT0 | - | BOOT0 |
| 34 | - | - | Ground plane |
| 35 | BOOT1 | - | PB2 |
| 36 | - | - | Ground plane |
Header 3 properties
| Name | Unknown |
| Reference | None |
| Type | Pin header (2.54mm, 12x2, male) |
Header 3 pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | PC8 | - | PC8 |
| 2 | PC7 | - | PC7 |
| 3 | PC6 | - | PC6 |
| 4 | PD15 | - | PD15 |
| 5 | PD14 | - | PD14 |
| 6 | PD13 | - | PD13 |
| 7 | PD12 | - | PD12 |
| 8 | PD11 | - | PD11 |
| 9 | PD10 | - | PD10 |
| 10 | PD9 | - | PD9 |
| 11 | PD8 | - | PD8 |
| 12 | PB15 | - | PB15 |
| 13 | PB14 | - | PB14 |
| 14 | PB13 | - | PB13 |
| 15 | PB12 | - | PB12 |
| 16 | 3.3V | - | +3.3V rail |
| 17 | PB11 | - | PB11 |
| 18 | GND | - | Ground plane |
| 19 | PE15 | - | PE15 |
| 20 | PB10 | - | PB10 |
| 21 | PE13 | - | PE13 |
| 22 | PE14 | - | PE14 |
| 23 | PE11 | - | PE11 |
| 24 | PE12 | - | PE12 |
USB connector properties
| Name | Unknown |
| Reference | None |
| Type | USB Micro |
USB connector pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | - | VCC | +5V rail |
| 2 | - | D- | PA11 |
| 3 | - | D+ | PA12 |
| 4 | - | ID | N.C. |
| 5 | - | GND | Ground plane |



