Holybro Durandal

Overview

Durandal is a flight controller designed by Holybro utilizing the STM32H7 microcontroller series. It comes with built-in vibration isolation system and integrated IMU heater for sensors temperature control. 



Key Design Points:

  • High performance H7 Processor with clock speed up to 480 MHz
  • Redundant inertial measurement unit (IMU) from Bosch® & InvenSense®
  • Built-in Vibration isolation system to filter out high frequency vibration and reduce noise to ensure accurate readings
  • IMUs are temperature-controlled by onboard heating resistors, allowing optimum working temperature of IMUs
  • 2 power ports & 5 general purpose serial ports
  • Two Power ports for redundancy

Technical Specifications

Processors & Sensors

  • Main FMU Processor: STM32H743
    • 32 Bit Arm ® Cortex®-M7, 480MHz, 2MB memory, 1MB RAM
  • IO Processor: STM32F100/F103
    • 32 Bit Arm ® Cortex®
  • On-board sensors
    • Accel/Gyro: ICM-20689
    • Accel/Gyro: ICM-20602 / BMI088
    • Mag: IST8310
    • Barometer: MS5611

Electrical Data

Voltage Ratings:

  • Max input voltage: 6V
  • USB Power Input: 4.75~5.25V
  • Servo Rail Input: 0~36V

Current Ratings:

  • Telem1 Max output current limiter: 1.5A
  • All other port combined output current limiter: 1.5A

Mechanical Data:

  • Dimensions:80*45*20.5mm
  • Weight: 68.8g

INTERFACES

  • 13 PWM outputs (8 from IO, 5 from FMU)
  • 5 general purpose serial ports
    • 3 with full flow control
    • 1 with separate 1.5A current limit (Telem1)
  • 3 I2C ports
  • 4 SPI buses
    • 1 internal high speed SPI sensor bus with 4 chip selects and 6 DRDYs
    • 1 internal low noise SPI bus dedicated for XXX
    • Barometer with 2 chip selects, no DRDYs
    • 1 internal SPI bus dedicated for FRAM
    • Supports temperature control located on sensor module
    • 1 external SPI buses
  • Up to 2 CANBuses for dual CAN
    • Each CANBus has individual silent controls or ESC RX-MUX control
  • Analog inputs for voltage / current of 2 batteries
  • 6 dedicated PWM/Capture inputs on FMU
  • Dedicated R/C input for Spektrum / DSM
  • Dedicated R/C input for CPPM and S.Bus
  • Dedicated S.Bus servo output and analog / PWM RSSI input
  • 2 additional analog inputs

SKU20081/20227 Includes: 

SKU20226/20229 Includes: 

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