Advanced OBC

Advanced version of On-Board Computer. CubeSat subsystem for payload control and communication with high computing power.

  • 1x Motherboard
  • 2x Computing Unit with an external MRAM
 
On-Board Computers

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Technical details

Motherboard:

  • Main processor: 8-16MHz, 256KB FRAM, Ultra Low-Power Modes
  • Inner module communications (IMC)
  • Connectors for max 2x CU
  • Switching bus providing redundancy
  • µSD card connected to CU

Computing Unit:

  • Processor: Up to 216MHz, MPU, DSP instructions, Three low-power modes
  • Available interfaces: 1x DCMI, 1x SDMMC, 1x USB, 2x SPI, 2x UART, 9x ADC, 2x I2C, MCO
  • MRAM memory: 4x 2MB capacity, SRAM compatible timing, Non-volatile for more than 20 years

Motherboard:

  • Current consumption: 120 µA/MHz (processor) + up to 300 mA (CU) + other components for payload control
  • Power switches on 3.3 V and 12 V
  • Connector FX10A-168

Computing Unit:

  • Current consumption: up to 300 mA
  • Connector HIROSE DF40HC(3.0)-70DS-0.4V
  • Total mass: 52 g
  • Size: 96 x 96 x 8 mm3
  • Thermal-vacuum
  • Random vibration
  • EMC
Advanced OBC