Advanced science.  Applied technology.


Single Board Computers

Proven Spaceflight Processing Solutions for LEO, GEO and Deep Space

Southwest Research Institute (SwRI) offers a broad range of single-board computers for avionics and for instrument control.

  • Spaceflight heritage 

  • High-reliability, radiation-hardened spacecraft computing solutions

  • High-performance, reconfigurable processors for system control and digital signal processing

  • Scalable processing performance and power consumption to meet a wide spectrum of user applications

Circuit board with green backboard and multiple components installed

SwRI-built UVS controller card used on JUNO spacecraft

Powerful System-On-Chip for Superior Embedded Performance

High-Performance Single-Board Computer

  • PowerQUICC III family (MPC8548E)

    • Up to 1.5 GHz core speed

    • Up to 133 MHz local bus speed

      • 3056 MIPS @133.3 MHz

    • cPCI Initiator/Target interface (33 MHz, 32 bit, 3.3. V)

    • IEEE 754 compliant floating point support

    • L1 cache: 32 k Instruction/32 k Data

    • L2 cache: 512 k with ECC support

    • 4 DMA channels

  • Peripherals:


    • I2C

    • 10/100/1000 Mbps Ethernet

    • Dual UARTs

    • RapidIO

Rectangular circuit board with green backboard and multiple components installed

High-performance single-board computer

Low-Power, High Performance for Small Spacecraft Applications

Centaur Single-Board Computer

  • Single-board computer combined with CCSDS uplink/downlink

  • GR712RC Dual Core LEON 3FT

    • Up to 200 DMIPS and 200 MFLOPS

      • 4 Mbytes MRAM

      • 4 MBytes SRAM

      • 4 GBytes FLASH

      • 128 MBytes SDRAM

  • Two SpW interfaces, 5 UARTs, GPIO

    • Extensive Proven CCSDS Uplink/Downlink Capability (NASA IMAGE, Deep Impact, Kepler, WISE, and other U.S. Government programs)

    • Extensive heritage with LEON architecture (JUNO, FERMI, Kepler, System F6)

Rectangular circuit board with multiple components installed on it

Centaur single-board computer

SC-SPARC8 Spacecraft Controller

  • SPARC8 (AT697) CPU: 88 MIPs, 23 MFLOPS

  • Low power operation (< 1.5 W)

  • cPCI Interface

    • Fully compliant PICMG 2.0 R3.0 Initiator, Interrupt Handler, bus arbiter

  • Memory Interfaces (All EDAC protected)

    • 128 KB PROM/512 KB EEPROM

    • 4 MB SRAM

    • 1.25 Gb SDRAM

    • Missions: NASA JUNO, Solar Orbiter, MMS

Horizontal circuit board with multiple components installed

SC-SPARC8 spacecraft controller

Versatile Computing Resources for Advanced Applications

Communications Processor Software Defined Radio

  • UT699 LEON 3FT CPU

    • 16 Mb (up to 256 Mb) MRAM

    • 32 Mb EDAC protected SRAM

    • 2 Gbits SDRAM

    • Two SpW interfaces, two UARTs

    • 72 Mbits of QDRII+ memory

  • Xilinx V4SX55 or LX200 FPGA with scrubber

    • PROM boot image

    • FLASH on-orbit reconfigurable image

    • Two, 400 MSPS, 14 bit D/A

    • Two, 150 MSPS, 14 bit A/D

Square circuit board with pink components on the left and right

Communications processor software defined radio

Fault-Tolerant Spacecraft Controller

  • 6U cPCI Form Factor, 32-bit, 33MHz

  • UT699 LEON-FT3 (SPARC v8)

    • cPCI initiator or target

    • 128 KB EEPROM

    • 64 MB SDRAM

    • 8 MB MRAM (non-volatile storage)

  • Redundant (cross-strapped) serial interfaces

  • Ideally suited as primary spacecraft computer or fault tolerant backup flight computer

Square circuit board with pink components installed on the left and right

Fault-tolerant spacecraft controller


Or call Larry McDaniel at +1 210 522 4694.