# Technical Specification

### **Processors & Sensors**

* FMU Processor: STM32H743 
  * 32 Bit Arm® Cortex®-M7, 480MHz, 2MB memory, 1MB SRAM 
* IO Processor: STM32F103
  *  32 Bit Arm® Cortex®-M3, 72MHz, 64KB SRAM 
* On-board sensors 
  * Accel/Gyro: ICM-42688-P 
  * Accel/Gyro: BMI088 (BMI055 discontinued due to the end of production of the sensor)
  * Mag: IST8310 
  * Barometer: MS5611

### **Electrical data**

* Voltage Ratings:
  * Max input voltage: 6V
  * USB Power Input: 4.75\~5.25V
  * Servo Rail Input: 0\~36V
  * The new revised version Model A now provides a more stable PWM signal when underload
* Current Ratings:
  * Telem1 + GPS1 output current limiter: 1.5A
  * All other ports combined output current limiter: 1.5A

### **Mechanical data**

* <mark style="color:$info;">Dimensions (Model A Legacy): 53.3 \* 39 \* 16.2 mm</mark>
* Dimensions (Model A Current): 54.3x39x17.5 mm
* Dimensions (Model B): 58.3x39x18.15 mm
* <mark style="color:$info;">Weight (Model A Legacy): 39.2g</mark>
* Weight (Model A Current): 42.4g
* Weight (Model B): 46.8g

### **Interfaces**

* 14- PWM servo outputs (8 from IO, 6 from FMU) with hardware switchable 3.3V and 5V signal mode
* 2 general purpose serial ports
  * Telem1 - Full flow control, separate 1.5A current limit
  * Telem2 - Full flow control
* 2 GPS ports
  * GPS1 - Full GPS port (GPS plus safety switch)
  * GPS2 - Basic GPS port
* 1 I2C port
  * Supports dedicated I2C calibration EEPROM located on sensor module
* 2 CAN Buses
* FMU Debug (Pixhawk Debug Mini)
* Dedicated R/C input for Spektrum/DSM and S.BUS, CPPM, analog / PWM RSSI
* 1 Power input port (Analog)

### Other Characteristics

* Operating temperature: -40 \~ 85°c


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