Product overview
The Holybro Pixhawk 6X-RT is a flight controller for autonomous vehicles, with separate IMU, FMU and base sections joined through 100-pin and 50-pin Pixhawk Bus connectors. Its i.MXRT1176 processor combines a Cortex-M7 at 1GHz and Cortex-M4 at 400MHz, with 2MB SRAM and 64MB Octal SPI Flash. Three IMUs and two barometers use separate buses, and each sensor set has independent power control. Vibration isolation filters high-frequency vibration, while onboard heating resistors regulate IMU temperature. A separate STM32F103 processor handles I/O.
Vehicle integration interfaces include 12 PWM channels, eight UARTs, four I2C interfaces, six SPI interfaces, three CAN-FD interfaces, USB and RMII 100M Ethernet. Ethernet supports connections to mission computers. The module-only configuration contains the flight-controller module; the controller set includes a standard baseboard, PM02D HV power module and cables. The controller uses digital or DroneCAN power modules. This developer edition is intended for early adopters while flight-test hours accumulate. Current flight-stack support is limited to PX4, and ArduPilot is unsupported.
Specifications
| Specification | Value & conditions |
|---|---|
| Pre-installed firmware | PX4As supplied. |
| Development status and flight-stack support | Developer edition; PX4 onlyEarly-adopter edition while flight test hours accumulate; Ardupilot was unsupported in the retrieved documentation. |
| Baseboard compatibility | Baseboards using the Pixhawk bus standardCompatibility requires a baseboard using that standard. |
| Design standards | Pixhawk FMUv6X-RT Open Standard and Pixhawk Bus Standard |
| Modular architecture | Separate IMU, FMU and base system connected by 100-pin and 50-pin Pixhawk Bus connectors |
| Sensor redundancy | 3x IMU sensors and 2x barometer sensors on separate buses |
| Main processor and memory | I.MXRT1176; Cortex-M7 @ 1GHz; Cortex-M4 @ 400MHz; 2MB SRAM; 64MB Octal SPI Flash |
| I/O processor | STM32F103, 32 Bit Arm Cortex-M3, 72MHz, 64KB SRAM |
| Accelerometer/gyroscope 1 | BMI088 |
| Accelerometer/gyroscope 2 | ICM-42688-P |
| Accelerometer/gyroscope 3 | ICM-42686-P |
| Magnetometer | BMM150 |
| Barometer 1 | BMP390 |
| Barometer 2 | BMP388 |
| Sensor power isolation | Each sensor set has an independent LDO and independent power control |
| Sensor failover | The system switches to another sensorWhen the firmware detects a sensor failure. |
| Vibration isolation | Vibration isolation system filters high-frequency vibration and reduces noise |
| IMU temperature control | Onboard heating resistors control IMU temperature |
| Hardware secure element | NXP EdgeLock SE051C2 |
| Storage interface | SDHC |
| PWM outputs | 12-Channel PWM |
| UART interfaces | 8x UART |
| I2C interfaces | 4x I2C |
| SPI interfaces | 6x SPI |
| CAN-FD interfaces | 3x CAN-FD |
| Ethernet interface | RMII 100M Ethernet |
| USB interface | USB |
| Software enablement | PX4; NuttX RTOS; Zephyr RTOS |
| Power module type | Digital or DroneCAN power module |
| Module-only contents | Pixhawk 6X-RT Flight Controller ModuleSKU11064. |
| Set contents | Pixhawk 6X-RT Flight Controller Module; Pixhawk Standard Baseboard v2A/v2B/v1; PM02D HV Power Module; cable setController + Baseboard + Power Module Set. |
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