FLYWOOF405
This board use the STM32F405RGT6 microcontroller and have the following features:
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1024K bytes of flash memory,192K bytes RAM,168 MHz CPU/210 DMIPS
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The 16M byte SPI flash for data logging
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USB VCP and boot select button on board(for DFU)
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Stable voltage regulation,9V/1.5A DCDC BEC for VTX/camera etc.And could select 5v/9v with pad
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Serial LED interface(LED_STRIP)
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VBAT/CURR/RSSI sensors input
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Suppose IRC Tramp/SmartAudio/FPV Camera Control/FPORT/telemetry
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Supports SBus, Spektrum1024/2048, PPM. No external inverters required (built-in).
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Supports I2C device extend(baro/compass/OLED etc)
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Supports GPS
All uarts have pad on board
| Value | Identifier | RX | TX | Notes |
|---|---|---|---|---|
| 1 | USART1 | PA10 | PB6 | USE smartport/FPORT/TEL etc |
| 2 | USART3 | PB11 | PB10 | FOR SBUS IN(inverter build in) |
| 3 | USART4 | PA1 | PA0 | PAD USE FOR TRAMP/SmartAudio |
| 4 | USART5 | PD2 | / | PAD ESC sensor |
| 5 | USART6 | PC7 | PC6 | PAD USE FOR GPS/BLE etc |
I2C with GPS port together.Use for BARO or compass etc
| Value | Identifier | function | pin | Notes |
|---|---|---|---|---|
| 1 | I2C1 | SDA | PB9 | with GPS outlet |
| 2 | I2C1 | SCL | PB8 | with GPS outlet |
Buzzer/LED output
| Value | Identifier | function | pin | Notes |
|---|---|---|---|---|
| 1 | LED0 | LED | PC14 | |
| 2 | BEEPER | BEE | PC13 |
VBAT input with 1/10 divider ratio,Current signal input,Analog/digit RSSI input
| Value | Identifier | function | pin | Notes |
|---|---|---|---|---|
| 1 | ADC1 | VBAT | PC3 | DMA2_Stream0 |
| 2 | ADC1 | CURR | PC2 | DMA2_Stream0 |
| 3 | ADC1 | RSSI | PC1 | DMA2_Stream0 |
8 Outputs, 1 PPM input
| Value | Identifier | function | pin | Notes |
|---|---|---|---|---|
| 1 | TIM10_CH1 | PPM | PB7 | PPM |
| 2 | TIM3_CH3 | OUPUT1 | PB0 | DMA1_Stream7 |
| 3 | TIM3_CH4 | OUPUT2 | PB1 | DMA1_Stream2 |
| 4 | TIM2_CH4 | OUPUT3 | PA3 | DMA1_Stream6 |
| 5 | TIM2_CH3 | OUPUT4 | PA2 | DMA1_Stream1 |
| 6 | TIM3_CH2 | OUPUT5 | PB5 | DMA1_Stream5 |
| 7 | TIM4_CH2 | OUPUT6 | PB7 | DMA1_Stream3 |
| 8 | TIM8_CH4 | OUPUT7 | PC9 | DMA2_Stream7 |
| 9 | TIM3_CH1 | OUPUT8 | PB4 | DMA1_Stream4 |
| 10 | TIM8_CH3 | LED | PC8 | DMA2_Stream2 LED_STRIP |
| 11 | TIM1_CH2 | PWM | PA9 | FPV Camera Control(FCAM) |
Gyro & ACC ICM20689
| Value | Identifier | function | pin | Notes |
|---|---|---|---|---|
| 1 | SPI1 | SCK | PA5 | |
| 2 | SPI1 | MISO | PA6 | |
| 3 | SPI1 | MOSI | PA7 | |
| 4 | SPI1 | CS | PC4 |
OSD MAX7456
| Value | Identifier | function | pin | Notes |
|---|---|---|---|---|
| 1 | SPI3 | SCK | PC10 | |
| 2 | SPI3 | MISO | PC11 | |
| 3 | SPI3 | MOSI | PC12 | |
| 4 | SPI3 | CS | PB14 |
16Mbyte flash
| Value | Identifier | function | pin | Notes |
|---|---|---|---|---|
| 1 | SPI3 | SCK | PC10 | |
| 2 | SPI3 | MISO | PC11 | |
| 3 | SPI3 | MOSI | PC12 | |
| 4 | SPI3 | CS | PB3 |
SWD
| Pin | Function | Notes |
|---|---|---|
| 1 | SWCLK | PAD |
| 2 | Ground | PAD |
| 3 | SWDIO | PAD |
| 4 | 3V3 | PAD |
- FLYWOO TECH