ERC32
ERC32 is a radiation-tolerant 32-bit RISC processor (SPARC V7 specification) developed for space applications. It was developed by Temic, which was later acquired by Atmel and then Microchip. It is used in the DMS-R (Data Management System - Russian) computer of the Russian Orbital Segment to handle guidance, navigation and control, onboard systems and subsystems control for the entire International Space Station, and other critical tasks. Versions
Two versions have been manufactured:

 ERC32 Chip Set (Part Names: TSC691, TSC692, TSC693)
 ERC32 Single Chip (Part Name: TSC695)

Support
Support for the chip set version of the ERC32 has been discontinued. See also

 LEON

External links
 ERC32 Page at ESA Microelectronic
 ERC32 Documentation
 TSC695 page on Atmel/Microchip Website
 GNU/Linux SPARC-HOWTO

Radiation-hardened microprocessors
Open microprocessors
SPARC microprocessors