© 2018 by Spaceteq

FLIGHT COMPUTER

OBC-GR712

The Spaceteq OBC-GR712 is a high reliability, low power flight computer for low earth orbit spacecrafts.  It is based on the radiation tolerant Cobham Gaisler GR712RC processor and features radiation tolerant memory devices and industry standard interfaces.

The Spaceteq OBC-GR712 builds on our strong heritage of on-board computer designs for microsatellite projects. The OBC-GR712 is a core component of the EO-SAT1 satellite bus

Features

Processor
Cobham Gaisler GR712RC, dual-core LEON 3FT 32-bit SPARC processor @ 80 MHz
Up to 160 DMIPS (Dhrystone) and 160 MFLOPS

Memory
256 Mbyte EDAC protected SDRAM
2 × 512 Mbyte NAND Flash banks (can be cold-spared)
256 kbyte MRAM
256 kbyte EEPROM

Interfaces
2 × Dual-redundant CAN buses
8 × SpaceWire ports, with support for 3 simultaneous links
4 × RS-422 interfaces

Other
On-board telemetry
Remote programming of boot device
JTAG available in-flight
Reset control (command / WDT)
Over-current latch-up protection

Debug
JTAG
2 × UART

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PRODUCT SPECIFICATION

BLOCK DIAGRAM