See ESA Project Home Page for a description of the Planck spacecraft.

The two main computers of Planck, the Command and Data Management Unit (CDMU) and the Attitude Control Computer (ACC) are instances of the[RUAG Spacecraft Management Unit (SMU). In Planck, the SMU’s Processor Module is built around a SPARC V7 processor, the TSC695F, and a custom I/O ASIC.

References

• [wiki:TBR/UserApp/Space/Herschel*_Planck Herschel & Planck
• ESA Project Home Page
• Wikipedia Entry
• Twitter