Satellites and subsystems > Command and Data Handling (C&DH) systems > On-Board Computers (OBCs) > Athena-3 Single Board Computer
Key highlights
Designed for space payload and communication processing applications, the Athena-3 SBC utilizes both commercial and radiation hardened components. The Athena-3 SBC provides state-of-the-art performance while maintaining a high level of radiation tolerance.
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Last updated: 2021-06-01
Technical specs
mass
2.2 lb
power consumption
16 W (typical)
processor type
PowerPC® e500 core
processor performance
2450 DMIPS @ 1.066 GHz
operating system
VxWorks RTOS
Linux RTOS (optional)
Linux RTOS (optional)
SDRAM
1 GB DDR2
flash memory
1 GB
4 GB (optional)
4 GB (optional)
I/O
PCI (32b/33 MHz and commercial standard with mezzanine connector)
SpaceWire (2 ports, backplane)
3 bi-directional RS422 ports (1 front, two backplane)
one Ethernet port (EM and prototype only)
one dual/redundant 1553 port (RT)
SpaceWire (2 ports, backplane)
3 bi-directional RS422 ports (1 front, two backplane)
one Ethernet port (EM and prototype only)
one dual/redundant 1553 port (RT)
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