Designing a radiation hardened 8051-like micro-controller

Author

De Lima, Fernanda G. ; Cota, Erika ; Carro, Luigi ; Lubaszewski, Marcelo ; Reis, Ricardo ; Velazco, Raoul ; Rezgui, Sana

Author_Institution

Inst. de Inf., Univ. Fed. do Rio Grande do Sul, Porto Alegre, Brazil

fYear

2000

fDate

2000

Firstpage

255

Lastpage

260

Abstract

This paper presents a prototype of a hardened version of the 8051 micro-controller, able to assure reliable operation in the presence of bit flips caused by radiation. Aiming at avoiding such faults in the 8051 micro-controller, Hamming code protection was used in its SRAM memory and registers. This paper shows implementation details of this technique in the micro-controller VHDL description and the impact on the device area

Keywords

Hamming codes; circuit CAD; error correction codes; fault tolerant computing; integrated circuit design; integrated circuit reliability; logic CAD; microcontrollers; radiation hardening (electronics); 8051-like microcontroller; Hamming code protection; SRAM memory; VHDL description; bit flips; device area; hardened version; radiation hardened microcontroller; registers; reliable operation; Aerospace electronics; Application software; Circuit faults; Microelectronics; Microprocessors; Protection; Prototypes; Radiation hardening; Registers; Single event transient;

fLanguage

English

Publisher

ieee

Conference_Titel

Integrated Circuits and Systems Design, 2000. Proceedings. 13th Symposium on

Conference_Location

Manaus

Print_ISBN

0-7695-0843-X

Type

conf

DOI

10.1109/SBCCI.2000.876039

Filename

876039