SIRIUS-TCM-LEON3FT

Sirius TCM DataSheet Product enquiry

SmallSat Mass Memory and Comms Protocol Unit

Flight proven across multiple mission applications for a range of customer requirements, this readily available solution has a reputation for reliability and performance for advanced satellite missions.

Our high performance processing unit utilises a 32-bit LEON3FT (IEEE-1754 SPARC v8) fault-tolerant processor with a speed of 50 MHz, making it one of the most capable on-board computer currently available on the market.

The SmallSat Sirius-TCM LEON3FT has inherited advanced error detection and correction in it’s design. The real-time operating system runs on a LEON3FT fault-tolerant soft processor, compliant to IEEE 1754 SPARC v8, and fault tolerance is secured by using triple-modular redundancy on FPGA and memory scrubbing.

The Sirius-TCM LEON3FT Command and Data Handling system has a standard single string system that consists of an on-board computer (Sirius OBC) and a combined mass memory with CCSDS stack (Sirius TCM). The TCM receives and stores payload data and platform housekeeping data while at the same time distributing telecommands and serving mass memory data to the transceiver

Sirius spacecraft avionics are modular in design, modules can be combined to offer redundant configurations or to simply accommodate mission specific requirements.

The SmallSat Sirius-TCM comes with S-band and X-band transceiver interfaces and offers the ability to update software on orbit via telecommands.

 

Performance 

With 50 MHz LEON3FT soft processor, RTEMS real-time operating system (RTOS) and 32 GB mass storage capacity delivering high-performance computing. Utilizing SpaceWire onboard the main data bus for high bandwidth and on-board data transfer. The transceiver interface uses CCSDS encoding standards for satellite link services, compatible with leading ground station networks.

Reliability 

Sirius TCM solutions have autonomous single event latch-up protection in logic and data storage. Our inbuilt protections are based on over a decade of design heritage and guarantee realtime-on-time operations. Designed and qualified for five years in LEO.

Adaptable

Designed for the most demanding missions, the Sirius TCM comes with S-band and X-band transceiver interfaces and offers the ability to update software on orbit via telecommands. With pulse commands for low level, basic commanding. Sirius spacecraft avionics are modular in design, modules can be combined to offer redundant configurations or to simply accommodate mission specific requirements.

Why SIRIUS-TCM-LEON3FT?

  • Compatible with leading ground station networks
  • Included S-band and X-band transceiver interfaces
  • With pulse commands for low level, basic commanding.
  • Designed and qualified for five years in LEO.
  • Reliable high-performance space data handling avionics
  • Tolerant to Single-Event-Effects (SEE) in logic and data storage

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