FK407M1 V1.0
STM32F407VET6
Board
| Name | FK407M1 V1.0 |
| Part | FK407M1 |
| Brand | Unknown |
| Origin | China |
Microcontroller
| Part | STM32F407VET6 |
| Manufacturer | ST-Microelectronics |
| Core | Arm Cortex-M4 |
| Max. Clock Speed | 168MHz |
| Package | LQFP 100 pins |
Internal memories
| FLASH | 512KiB |
| 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 | Holder (12.5mm / 12) |
Regulator
| Manufacturer | JCET Group Co., Ltd. |
| Part | CJA1117B (A1117B) |
| Package | SOT89 3 pins |
| Input | +4.6V to +15V |
| Output | +3.3V @ 1A |
| Datasheet | CJA1117B.pdf |
PCB
| Color | Black |
| Size (w x l) | 33mm x 51mm |
| 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
Resources
Devices
None
Inputs & outputs
Reset button
| Name | RST |
| Reference | - |
| Type | Button |
| Connected to | NRST |
| Mode | Active low |
BOOT0 solder bridge
| Name | BOOT0 |
| Reference | - |
| Type | Solder bridge |
| Connected to | BOOT0 |
| Mode | Active low |
BOOT1 solder bridge
| Name | BOOT1 |
| Reference | - |
| Type | Solder bridge |
| Connected to | PB2 |
| Mode | Active low |
User button
| Name | KEY |
| Reference | - |
| Type | Button |
| Connected to | PA15 |
| Mode | Active low |
Power LED
| Name | - |
| Reference | - |
| Type | LED |
| Connected to | +3.3V rail |
| Mode | N.A. |
User LED
| Name | - |
| Reference | - |
| Type | LED |
| Connected to | PC13 |
| Mode | Sink |
Connectors & headers
Header 1 properties
| Name | Unknown |
| Reference | None |
| Type | Pin header (2.54mm, 20x2, male) |
Header 1 pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | GND | - | Ground plane |
| 2 | GND | - | Ground plane |
| 3 | D10 | - | PD10 |
| 4 | D11 | - | PD11 |
| 5 | B15 | - | PB15 |
| 6 | D9 | - | PD9 |
| 7 | B12 | - | PB12 |
| 8 | D8 | - | PD8 |
| 9 | B14 | - | PB14 |
| 10 | B11 | - | PB11 |
| 11 | E8 | - | PE8 |
| 12 | B13 | - | PB13 |
| 13 | B10 | - | PB10 |
| 14 | E7 | - | PE7 |
| 15 | E14 | - | PE14 |
| 16 | E15 | - | PE15 |
| 17 | E12 | - | PE12 |
| 18 | E13 | - | PE13 |
| 19 | E11 | - | PE11 |
| 20 | E10 | - | PE10 |
| 21 | E9 | - | PE9 |
| 22 | B1 | - | PB1 |
| 23 | B2 | - | PB2 |
| 24 | C5 | - | PC5 |
| 25 | B0 | - | PB0 |
| 26 | A7 | - | PA7 |
| 27 | C4 | - | PC4 |
| 28 | A6 | - | PA6 |
| 29 | A5 | - | PA5 |
| 30 | A3 | - | PA3 |
| 31 | A4 | - | PA4 |
| 32 | C3 | - | PC3 |
| 33 | A0 | - | PA0 |
| 34 | A2 | - | PA2 |
| 35 | A1 | - | PA1 |
| 36 | D13 | - | PD13 |
| 37 | D14 | - | PD14 |
| 38 | C0 | - | PC0 |
| 39 | C1 | - | PC1 |
| 40 | C2 | - | PC2 |
Header 2 properties
| Name | Unknown |
| Reference | None |
| Type | Pin header (2.54mm, 24x2, male) |
Header 2 pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | 5V | - | +5V rail |
| 2 | 5V | - | +5V rail |
| 3 | 3V3 | - | +3.3V rail |
| 4 | 3V3 | - | +3.3V rail |
| 5 | A12 | - | PA12 |
| 6 | A11 | - | PA11 |
| 7 | A10 | - | PA10 |
| 8 | D12 | - | PD12 |
| 9 | C9 | - | PC9 |
| 10 | A9 | - | PA9 |
| 11 | A8 | - | PA8 |
| 12 | C10 | - | PC10 |
| 13 | C11 | - | PC11 |
| 14 | C12 | - | PC12 |
| 15 | D0 | - | PD0 |
| 16 | D1 | - | PD1 |
| 17 | D2 | - | PD2 |
| 18 | D3 | - | PD3 |
| 19 | D4 | - | PD4 |
| 20 | D5 | - | PD5 |
| 21 | B5 | - | PB5 |
| 22 | B4 | - | PB4 |
| 23 | B7 | - | PB7 |
| 24 | B6 | - | PB6 |
| 25 | B9 | - | PB9 |
| 26 | B8 | - | PB8 |
| 27 | E1 | - | PE1 |
| 28 | E0 | - | PE0 |
| 29 | E2 | - | PE2 |
| 30 | E6 | - | PE6 |
| 31 | E3 | - | PE3 |
| 32 | E5 | - | PE5 |
| 33 | B3 | - | PB3 |
| 34 | E4 | - | PE4 |
| 35 | D6 | - | PD6 |
| 36 | D7 | - | PD7 |
| 37 | C7 | - | PC7 |
| 38 | C8 | - | PC8 |
| 39 | D15 | - | PD15 |
| 40 | C6 | - | PC6 |
USB connector properties
| Name | Unknown |
| Reference | None |
| Type | USB C |
USB connector pins
| # | Name | Function | Connected to |
|---|---|---|---|
| A1/B12 | - | GND | Ground plane |
| A4/B9 | - | VBUS | +5V rail |
| B8 | - | SBU2 | N.C. |
| A5 | - | CC1 | N.C. |
| B7 | - | D- | PA11 |
| A6 | - | D+ | PA12 |
| A7 | - | D- | PA11 |
| B6 | - | D+ | PA12 |
| A8 | - | SBU1 | N.C. |
| B5 | - | CC2 | N.C. |
| B4/A9 | - | VBUS | +5V rail |
| B1/A12 | - | GND | Ground plane |
SWD / Serial header properties
| Name | Unknown |
| Reference | None |
| Type | pin header (2.54mm, 4x2, male) |
SWD / Serial header pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | 5V | - | +5V rail |
| 2 | 3V3 | - | +3.3V rail |
| 3 | GND | - | Ground plane |
| 4 | RST | - | NRST |
| 5 | DIO | - | PA13 |
| 6 | TX | - | PA9 |
| 7 | CLK | - | PA14 |
| 8 | RX | - | PA10 |
SD-card connector properties
| Name | mSD |
| Reference | None |
| Type | microSD |
SD-card connector pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | - | DAT2 | PC10 |
| 2 | - | CD/DAT3 | PC11 |
| 3 | - | CMD | PD3 |
| 4 | - | VDD | +3.3V rail |
| 5 | - | CLK | PD8 |
| 6 | - | VSS | Ground plane |
| 7 | - | DAT0 | PC7 |
| 8 | - | DAT1 | PC8 |
| 9 | - | CD | N.C. |
| 10 | - | Body | Ground plane |