Skip to content
EntityQ1798019· pop 11· linked from 113 articles

LEON (マイクロプロセッサー)

Sign in to save

LEON (from meaning lion) is a radiation-tolerant 32-bit central processing unit (CPU) microprocessor core that implements the SPARC V8 instruction set architecture (ISA) developed by Sun Microsystems. It was originally designed by the European Space Research and Technology Centre (ESTEC), part of the European Space Agency (ESA), without any involvement by Sun. Later versions have been designed by Gaisler Research, under a variety of owners. It is described in synthesizable VHSIC Hardware Description Language (VHDL). LEON has a dual license model: A GNU Lesser General Public License (LGPL) and

Key facts

CPU.name
LEON
CPU.slowest
150
CPU.fastest
1500
CPU.slow unit
MHz
CPU.fast unit
MHz
CPU.soldby
Airbus Defence and Space
CPU.designfirm
Sun Microsystems (acquired by Oracle Corporation)(instruction set, original design)European Space Agency (ESA)Gaisler Research(processor, design derivative)
CPU.manuf1
Atmel (acquired by Microchip Technology)
CPU.arch
SPARC V8
CPU.numcores
1
CPU.predecessor
ERC32

via Wikipedia infobox

Wikidata facts

Instance of
microprocessor
Subclass of
open hardware
Sources (1)

via Wikidata · CC0

Available in 11 languages

via Wikidata sitelinks · CC0