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JHEF7DUAL

Features

  • Processors and Sensors
    • MCU: STM32F722RET6
    • IMU: ICM20689(Gyro1) & MPU6000(Gyro2) connected via SPI1
    • Baro: BMP280 (connected via I2C1)
    • OSD: BetaFlight OSD (AT7456E connected via SPI2)
  • Blackbox: FLASH M25P16 (connected via SPI3)
  • 6 UARTs (1,2,3,4,5,6)
  • 8 DShot outputs
  • 2 PINIO (VTX power switcher/user1 and 2 camera switcher/user2)
  • USB VCP and boot select button on board (for DFU)
  • 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. No external inverters required (built-in).
  • Supports I2C device extend(Compass / OLED etc)
  • Supports GPS

Pinout

All uarts have pad on board

ValueIdentifierRXTXNotes
1USART1PA10PA9FOR SBUS IN(inverter build in)
2USART2PA3PA2USE FOR TRAMP/SmartAudio
3USART3PB11PB10USE FOR GPS
4USART4PA1PA0PAD USE FOR TRAMP/SmartAudio
5USART5PD2PC12PAD ESC sensor
6USART6PC7PC6PAD

I2C with GPS port together.Use for BARO or compass etc

ValueIdentifierfunctionpinNotes
1I2C1SDAPB7
2I2C1SCLPB6

Buzzer/LED output

ValueIdentifierfunctionpinNotes
1LED0LEDPA15
2BEEPERBEEPC15

VBAT input, Current input, Analog RSSI input

ValueIdentifierfunctionpinNotes
1ADC1VBATPC2DMA2_Stream0
2ADC1CURRPC1DMA2_Stream0
3ADC1RSSIPC0DMA2_Stream0

PWM Input & PWM Output

ValueIdentifierfunctionpinNotes
1TIM9_CH2PPMPA3PPM
2TIM3_CH3Motor1PB0DMA1_Stream2
3TIM3_CH4Motor2PB1DMA1_Stream2
4TIM3_CH1Motor3PB4DMA1_Stream4
5TIM2_CH2Motor4PB3DMA1_Stream6
7TIM8_CH4Motor5PC9DMA2_Stream1
8TIM8_CH3Motor6PC8DMA2_Stream4
9TIM1_CH1LEDPA8LED STRIP
10TIM4_CH3ANYPB8FC CAM

Gyro & ACC ICM20689

ValueIdentifierfunctionpinNotes
1SPI1SCKPA5MPU6000 & ICM20689
2SPI1MISOPA6MPU6000 & ICM20689
3SPI1MOSIPA7MPU6000 & ICM20689
4SPI1CS2PA4MPU6000
5SPI1CS1PB2ICM20689
6SPI1INT2PC3MPU6000
7SPI1INT1PC4ICM20689

OSD MAX7456

ValueIdentifierfunctionpinNotes
1SPI2SCKPB13
2SPI2MISOPB14
3SPI2MOSIPB15
4SPI2CSPB12

2MB FLash

ValueIdentifierfunctionpinNotes
1SPI3SCKPC10
2SPI3MISOPC11
3SPI3MOSIPB5
4SPI3CSPC13

SWD

PinFunctionNotes
1SWCLKPAD
2GroundPAD
3SWDIOPAD
43V3PAD

Designers

  • JHE_FPV