PROTON SEU TEST OF MC68020, MC68882, TMS320C25 ON THE ARIANE5 LAUNCHER ON BOARD COMPUTER (OBC) AND INERTIAL REFERENCE SYSTEM (SRI)

Authors
POIVEY C NOTEBAERT O GARNIER P CARRIERE T BEAUCOUR J STEIGER B SALLE JM CALVET MC SIMON P
Citation
C. Poivey et al., PROTON SEU TEST OF MC68020, MC68882, TMS320C25 ON THE ARIANE5 LAUNCHER ON BOARD COMPUTER (OBC) AND INERTIAL REFERENCE SYSTEM (SRI), IEEE transactions on nuclear science, 43(3), 1996, pp. 886-892
Citations number
7
Categorie Soggetti
Nuclear Sciences & Tecnology","Engineering, Eletrical & Electronic
Journal title
IEEE transactions on nuclear science → ACNP
ISSN journal
00189499
Volume
43
Issue
3
Year of publication
1996
Part
1
Pages
886 - 892
Database
ISI
SICI code
0018-9499(1996)43:3<886:PSTOMM>2.0.ZU;2-8
Abstract
The ARIANE 5 On Board Computer (OBC) and Inertial Reference System (SR I) are based on MOTOROLA MC68020 processor and MC68882 coprocessor. Th e SRI data acquisition board also uses the DSP TMS320C25 from TEXAS IN STRUMENTS. These devices were characterized to proton induced SEUs. Bu t representativeness of SEU test results on processors was questioned during ARIANE5 studies. Protons test of these devices were also perfor med in the actual equipements with flight (or representative of) softw ares. The results show that the On Board Computer and the Inertial Ref erence System can satisfy the requirements of the ARIANE5 missions.