Rad-Tolerant SBC Allows the User to Initiate Different Power-Saving Options
Aitech Defense Systems offers a high-performance, single-slot single board computer (SBC) that allows the user to initiate different power-saving options, depending on application requirements. Designed for mission-critical space environments, the 3U CompactPCI radiation-tolerant S950 uses as little as 13.5W in full operation, less than 8W in nap mode and less than 10W with limited performance for less intense processing requirements, all based on a core processor speed of 733 MHz. The S950 offers protection against single event upsets (SEUs) making it appropriate for a variety of low earth orbit (LEO), Mars terrestrial and geocentric orbit (GEO) applications including redundant mission computers and guidance and navigation computers as well as in command and data handling computers, solid-state recorders and video controllers. The board incorporates the low power PowerPCT 750FX Processor with a maximum power dissipation of less than 8W, 128 MBytes of SDRAM arranged in a bit-wise triple voting architecture and 1 MByte of dual-redundant boot Flash to store the onboard Boot firmware. The 32 kBytes L1 cache includes a parity check for both tags and data, while the 512 kBytes L2 cache provides a parity check on tags and ECC protection on data. A rad-tolerant anti-fuse FPGA maintains the memory controller to ensure data integrity for secure system reliability in harsh space environments. Also implemented on the FPGA is additional ECC protection for the board's 64 MBytes of user Flash memory, which ensures sufficient memory resources for a variety of applications, as well as two standard serial ports, four independent 32-bit counters/timers, an onboard hardware watchdog timer, a 32-bit conduction-cooled PMC site and a 32-bit CompactPCI interface operating at 33.333 MHz.
Aitech Defense Systems