Hercules

Downloads:

  • Flyer
  • Datasheet
  • Option Sheet

Available on request:

products@gaussteam.com 

  • User’s guide
  • CAD model in STEP
  • Demo Image
  • Demo Image

News: Hercules is under IOD testing and it will soon be available to order. Contact us if you are interested!

 

Hercules is an OBC unit designed to have redundancy without losing powerfulness. It is designed entirely by GAUSS.

It features an ARM Cortex R4F 32-Bit RISC CPU with dual core CPUs working in lockstep up to 220MHz.
The output signals of each core are compared for redundancy.
Both cores and memories have a different physical orientation to make them less susceptible to common mode faults.

The CPU uses ECC on both the flash and the data SRAM, being able to recover from bit flips from SEUs. It also implements parity checks on peripheral memories.
Hercules also integrates two 9DoF IMUs for redundancy, a FRAM memory for critical data storage, a NOR Flash and an SD Card for high-density, less critical data storage.

The top half of the board includes a section for a daughterboard, which is compatible with GAUSS UHF radio and with a PWM motor and coils driver daughterboard.
Hercules allows for multiple pinout configurations in order to make it compatible with most of the subsystems on the microsatellite market.

 

Primary Features

  • ARM Cortex R4F (RM46) 32-Bit RISC CPU with dual core CPUs working in lockstep up to 220MHz designed for Safety Critical Applications;
  • Up to 16 Analog Input and more than 20 possible Digital GPIO channels (depending on ports configurations);
  • 2 x CAN ports, I2C (external voltage shiftable), SPI bus and 2 x UART interfaces;
  • RS422/485 Half & Full Duplex adapter for a UART interface;
  • Up to 3 Motors & 3 Coils dedicated connector with 6 PWMs, 6 ADCs and 12 GPIOs signals;
  • Two N2HET with up to 32 channels that can be programmed and executed in parallel and independently from the CPU;
  • Dual (for redundancy) Embedded IMU with 3 axis magnetometer, accelerometer and gyroscope;
  • 4Mbit FRAM memory for critical information storage;
  • 1Gbit Nor Flash memory and SDCard socket for high density data storage;
  • Embedded sensors: 3 x temperature sensors, 1 x drawn current monitor;
  • Embedded RTC with 10ths of milliseconds of resolution and with a TCXO for maximum accuracy;
  • Daughterboard’s connection compatible with the GAUSS radio and usable for GAUSS’ and customers’ expansion boards.

Other Features

  • Weight about 65 grams;
  • PC/104 CubeSat form factor compatible;
  • Several modalities for low power consumption;
  • It can be powered using 5V or 3.3V and from different hardware configurable pins;
  • Off the shelf industrial grade / automotive components;
  • Operating temperature range -40°C to +85°C.

Flight Heritage

Hercules has been integrated in UNISAT-7. Commercial version will be soon available.

  • UNISAT-7 (32kg Micro-sat)

Support

  • User friendly software libraries are included: for the IMU, temperature sensors, RTC, flash memory, I2C, COM, SPI bus control and GPIO.
  • A test example code for using the libraries is included.
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