Fork from inav at github. Modified for some special functions needs.
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Board - FOXEERF722DUAL, Foxeer F722 V2 and Foxeer F722 Mini
The Foxeer F722 DUAL, Foxeer F722 V2 and Foxeer F722 Mini described here:
This board use the STM32F722RET6 microcontroller and have the following features:
- High-performance and DSP with FPU, ARM Cortex-M7 MCU with 512 Kbytes Flash
- 216 MHz CPU,462 DMIPS/2.14 DMIPS/MHz (Dhrystone 2.1) and DSP instructions, Art Accelerator, L1 cache, SDRAM
- DUAL gyro MPU6000 and ICM20602,could choose mpu6000,more stable and smooth.Or choose ICM20602,higher rate(32K/32K).Choose on CLI mode,experience different feature gyro on same board
- OSD on board
- The 16M byte SPI flash on board for data logging
- USB VCP and boot select button on board(for DFU)
- Stable voltage regulation,DUAL BEC 5v/2.5A and 9v/2A for VTX/camera etc.And could select 5v/9v with pad
- Serial LED interface(LED_STRIP)
- VBAT/CURR/RSSI sensors input
- Suppose IRC Tramp/smart audio/FPV Camera Control/FPORT/telemetry
- Supports SBus, Spektrum1024/2048, PPM
- Supports I2C device extend(baro/compass/OLED etc)
- Supports GPS
All uarts have pad on board
| Value |
Identifier |
RX |
TX |
Notes |
| 1 |
USART1 |
PB7 |
PB6 |
PB7 FOR SBUS IN(inverter build in)/PPM |
| 2 |
USART2 |
PA3 |
PA2 |
PAD USE FOR TRAMP/smart audio |
| 3 |
USART3 |
PB11 |
PB10 |
USE FOR GPS |
| 4 |
USART4 |
PA1 |
PA0 |
PA0 FOR RSSI/FPORT/TEL etc |
| 5 |
USART5 |
PD2 |
PC12 |
PAD |
I2C with GPS port together.Use for BARO or compass etc
| Value |
Identifier |
function |
pin |
Notes |
| 1 |
I2C1 |
SDA |
PB9 |
outlet |
| 2 |
I2C1 |
SCL |
PB8 |
outlet |
Buzzer/LED output
| Value |
Identifier |
function |
pin |
Notes |
| 1 |
LED0 |
LED |
PC15 |
On board |
| 2 |
BEEPER |
BEE |
PA4 |
Pad |
| Value |
Identifier |
function |
pin |
Notes |
| 1 |
ADC1 |
VBAT |
PC0 |
On board |
| 2 |
ADC1 |
CURR |
PC2 |
|
| 3 |
ADC1 |
RSSI |
PA0 |
|
8 Outputs
| Value |
Identifier |
function |
pin |
Notes |
| 1 |
TIM4_CH2 |
PPM |
PB7 |
PPM |
| 2 |
TIM1_CH2 |
OUPUT1 |
PA9 |
DMA |
| 3 |
TIM1_CH1 |
OUPUT2 |
PA8 |
DMA |
| 4 |
TIM8_CH4 |
OUPUT3 |
PC9 |
DMA |
| 5 |
TIM8_CH3 |
OUPUT4 |
PC8 |
DMA |
| 6 |
TIM8_CH1 |
OUPUT5 |
PC6 |
DMA |
| 7 |
TIM8_CH2 |
OUPUT6 |
PC7 |
DMA |
| 8 |
TIM2_CH1 |
PWM |
PA15 |
DMA LED_STRIP |
| 9 |
TIM2_CH2 |
PWM |
PB3 |
FPV Camera Control(FCAM) |
Gyro & ACC ,support ICM20602 and MPU6000
| Value |
Identifier |
function |
pin |
Notes |
| 1 |
SPI1 |
SCK |
PA5 |
MPU6000 & ICM20602 |
| 2 |
SPI1 |
MISO |
PA6 |
MPU6000 & ICM20602 |
| 3 |
SPI1 |
MOSI |
PA7 |
MPU6000 & ICM20602 |
| 4 |
SPI1 |
CS1 |
PB2 |
MPU6000 |
| 5 |
SPI1 |
CS2 |
PB1 |
ICM20602 |
| 6 |
SPI1 |
INT1 |
PC4 |
MPU6000 |
| 7 |
SPI1 |
INT2 |
PB0 |
ICM20602 |
OSD MAX7456
| Value |
Identifier |
function |
pin |
Notes |
| 1 |
SPI3 |
SCK |
PC10 |
|
| 2 |
SPI3 |
MISO |
PC11 |
|
| 3 |
SPI3 |
MOSI |
PB5 |
|
| 4 |
SPI3 |
CS |
PC3 |
|
16Mbyte flash
| Value |
Identifier |
function |
pin |
Notes |
| 1 |
SPI2 |
SCK |
PB13 |
|
| 2 |
SPI2 |
MISO |
PB14 |
|
| 3 |
SPI2 |
MOSI |
PB15 |
|
| 4 |
SPI2 |
CS |
PB12 |
|
SWD
| Pin |
Function |
Notes |
| 1 |
SWCLK |
PAD |
| 2 |
Ground |
PAD |
| 3 |
SWDIO |
PAD |
| 4 |
3V3 |
PAD |
Designers
