Micron Document
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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">LEON</span></h1>
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<p><b>LEON</b> ist eine Familie von 32-Bit-<a href="Prozessor" title="Prozessor">Prozessoren</a>, basierend auf der <a href="Sun_SPARC" class="mw-redirect" title="Sun SPARC">SPARC-V8-Architektur</a>. Ursprünglich entworfen von der <a href="Europ%C3%A4ische_Weltraumorganisation" title="Europäische Weltraumorganisation">ESA</a>,<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> wird das Prozessordesign heute von <i>Aeroflex Gaisler</i> weiterentwickelt und vertrieben.
</p><p>Der LEON war das erste unter einer <a href="Open-Source-Lizenz" class="mw-redirect" title="Open-Source-Lizenz">Open-Source-Lizenz</a> veröffentlichte vollständige <a href="Mikroprozessor" title="Mikroprozessor">Mikroprozessor</a>-Design<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>, die LEON-Prozessoren sind verfügbar als <a href="Very_High_Speed_Integrated_Circuit_Hardware_Description_Language" title="Very High Speed Integrated Circuit Hardware Description Language">VHDL-Designs</a> zur Verwendung zum Beispiel in <a href="Field_Programmable_Gate_Array" title="Field Programmable Gate Array">FPGAs</a> oder <a href="Anwendungsspezifische_integrierte_Schaltung" title="Anwendungsspezifische integrierte Schaltung">ASICs</a>.
</p><p>Alle Versionen von LEON2<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> und LEON3<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> sind vollständig kompatibel zu SPARC V8. Die Designs von LEON1 und LEON2 waren verfügbar unter der <a href="GNU_Lesser_General_Public_License" title="GNU Lesser General Public License">GNU Lesser General Public License</a>, LEON3 ist unter der <a href="GNU_General_Public_License" title="GNU General Public License">GNU General Public License</a> veröffentlicht. Der <a href="IP-Core" title="IP-Core">IP-Core</a> der im Januar 2010 vorgestellten Weiterentwicklung LEON4 ist nicht mehr unter einer freien Lizenz veröffentlicht.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup>
</p><p>Es gibt fehlertolerante Versionen von LEON2, LEON3 und LEON4: LEON2-FT, LEON3-FT und LEON4-FT.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Der LEON3-FT wurde mit einem strahlungsresistenten FPGA von <a href="Actel" title="Actel">Actel</a> in den Satelliten <a href="Chandrayaan-1" title="Chandrayaan-1">Chandrayaan-1</a>, <a href="Prisma_(schwedische_Satelliten)" title="Prisma (schwedische Satelliten)">Prisma</a> und dem <a href="Republik_China_(Taiwan)" title="Republik China (Taiwan)">taiwanischen</a> Argo verwendet<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup>.
</p><p>Neben den beiden <a href="Freie_Software" title="Freie Software">freien</a> Softwarepaketen <i>GRLIB IP Library</i> mit allen benötigten Bestandteilen eines <a href="System-on-a-Chip" title="System-on-a-Chip">System-on-a-Chip</a> und dem auch unter <a href="Eclipse_(IDE)" title="Eclipse (IDE)">Eclipse</a> lauffähigen Kommandozeilen-<a href="Debugger" title="Debugger">Debugger</a> <i>GRMON</i> bietet der Hersteller auch kostenpflichtigen Support, Entwicklungsboards und vollständige Systeme an.
</p><p>Der Prozessor wird von Atmel unter dem Namen <i>AT697</i> vertrieben.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="Weblinks">Weblinks</h2></div>
<ul><li><a rel="nofollow" class="external text" href="http://gaisler.com/index.php/products/processors">LEON-Prozessoren auf gaisler.com</a></li></ul>
<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
<ol class="references">
<li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.eetimes.com/story/OEG20000306S0096">Artikel auf eetimes.com</a></span>
</li>
<li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r261891140">
/* start https://de.wikipedia.org/ */


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</style><a rel="nofollow" class="external text" href="https://web.archive.org/web/20111129044702/http://www.opensparc.net/about.html">About-Seite auf opensparc.net</a> (<span class="webarchiv-memento"><a href="Webarchivierung#Begrifflichkeiten" title="Webarchivierung">Memento</a></span> vom 29. November 2011 im <i><a href="Internet_Archive" title="Internet Archive">Internet Archive</a></i>)</span>
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<li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.gaisler.com/images/leoncert.gif">Zertifikat LEON2</a></span>
</li>
<li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.gaisler.com/images/leon3val.gif">Zertifikat LEON3</a></span>
</li>
<li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://gaisler.com/index.php/products/processors/leon4">Produktseite von LEON4 auf gaisler.com</a></span>
</li>
<li id="cite_note-6"><span class="mw-cite-backlink"><a href="#cite_ref-6">↑</a></span> <span class="reference-text">ESA.int: <a rel="nofollow" class="external text" href="http://www.esa.int/Enabling_Support/Space_Engineering_Technology/Onboard_Computer_and_Data_Handling/Microprocessors">Microprocessors</a>, abgerufen am 5. Januar 2020</span>
</li>
<li id="cite_note-7"><span class="mw-cite-backlink"><a href="#cite_ref-7">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://gaisler.com/index.php/products/components/leon3ft-rtax">Produktseite von LEON3FT-RTAX auf gaisler.com</a></span>
</li>
<li id="cite_note-8"><span class="mw-cite-backlink"><a href="#cite_ref-8">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.alldatasheet.com/datasheet-pdf/pdf/313538/ATMEL/AT697F.html">AT697F Datasheet (PDF) - ATMEL Corporation</a></span>
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<div class="klappleiste-kopf"><a href="Programmierbare_logische_Schaltung" title="Programmierbare logische Schaltung">Programmierbare Logik</a></div>
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<td class="erw-nav-gruppe" style="white-space: nowrap;text-align: right;border: 1px solid transparent;border-top: 1px solid #FFF;border-bottom: 2px solid #FFF;padding: 0 1em;"><b>Konzepte</b>
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<td class="hlist" style="text-align: left;border-left: 2px solid #fdfdfd;width: 100%;margin: .4em 0;border-color: #fdfdfd;padding: 0 .25em;">
<p><a href="Anwendungsspezifische_integrierte_Schaltung" title="Anwendungsspezifische integrierte Schaltung">ASIC</a>&nbsp;•
<a href="System-on-a-Chip" title="System-on-a-Chip">SoC</a>&nbsp;•
<a href="Field_Programmable_Gate_Array" title="Field Programmable Gate Array">FPGA</a>
(<a href="Configurable_Logic_Block" title="Configurable Logic Block">CLB</a>)&nbsp;•
<a href="Complex_Programmable_Logic_Device" title="Complex Programmable Logic Device">CPLD</a>&nbsp;•
<a href="Erasable_Programmable_Logic_Device" title="Erasable Programmable Logic Device">EPLD</a>&nbsp;•
<a href="Programmierbare_logische_Anordnung" title="Programmierbare logische Anordnung">PLA</a>&nbsp;•
<a href="Programmable_Array_Logic" title="Programmable Array Logic">PAL</a>&nbsp;•
<a href="Programmable_Array_Logic" title="Programmable Array Logic">GAL</a>&nbsp;•
<a href="PSoC" title="PSoC">PSoC</a>&nbsp;•
<a href="Reconfigurable_Computing" title="Reconfigurable Computing">Reconfigurable Computing</a>
(<a href="Xputer" title="Xputer">Xputer</a>)&nbsp;•
Soft microprocessor&nbsp;•
Circuit underutilization&nbsp;•
High-level synthesis&nbsp;•
<a href="Hardwarebeschleunigung" title="Hardwarebeschleunigung">Hardwarebeschleunigung</a>
</p>
</td></tr>
<tr>
<td class="erw-nav-gruppe" style="white-space: nowrap;text-align: right;border: 1px solid transparent;border-top: 1px solid #FFF;border-bottom: 2px solid #FFF;padding: 0 1em;"><b>Programmiertechnik</b>
</td>
<td class="hlist" style="text-align: left;border-left: 2px solid #fdfdfd;width: 100%;margin: .4em 0;border-color: #fdfdfd;padding: 0 .25em;">
<p><a href="Gate-Array" title="Gate-Array">Masken-programmiert</a>&nbsp;•
<a href="Antifuse-Technologie" title="Antifuse-Technologie">Antifuse</a>&nbsp;•
<a href="Erasable_Programmable_Read-Only_Memory" title="Erasable Programmable Read-Only Memory">EPROM</a>&nbsp;•
<a href="Electrically_Erasable_Programmable_Read-Only_Memory" title="Electrically Erasable Programmable Read-Only Memory">E²PROM</a>&nbsp;•
<a href="Flash-Speicher" title="Flash-Speicher">Flash</a>&nbsp;•
<a href="Static_random-access_memory" title="Static random-access memory">SRAM</a>
</p>
</td></tr>
<tr>
<td class="erw-nav-gruppe" style="white-space: nowrap;text-align: right;border: 1px solid transparent;border-top: 1px solid #FFF;border-bottom: 2px solid #FFF;padding: 0 1em;"><b><a href="Hardwarebeschreibungssprache" title="Hardwarebeschreibungssprache">Programmiersprachen</a></b>
</td>
<td class="hlist" style="text-align: left;border-left: 2px solid #fdfdfd;width: 100%;margin: .4em 0;border-color: #fdfdfd;padding: 0 .25em;">
<p><a href="Verilog" title="Verilog">Verilog</a>
(A,
AMS)&nbsp;•
<a href="Very_High_Speed_Integrated_Circuit_Hardware_Description_Language" title="Very High Speed Integrated Circuit Hardware Description Language">VHDL</a>
(<a href="Very_High_Speed_Integrated_Circuit_Hardware_Description_Language" title="Very High Speed Integrated Circuit Hardware Description Language">AMS</a>,
VITAL)&nbsp;•
<a href="SystemVerilog" title="SystemVerilog">SystemVerilog</a>
(DPI)&nbsp;•
<a href="SystemC" title="SystemC">SystemC</a>&nbsp;•
AHDL&nbsp;•
Handel-C&nbsp;•
<a href="Property_Specification_Language" title="Property Specification Language">PSL</a>&nbsp;•
UPF&nbsp;•
<a href="PALASM" title="PALASM">PALASM</a>&nbsp;•
<a href="Advanced_Boolean_Equation_Language" title="Advanced Boolean Equation Language">ABEL</a>&nbsp;•
CUPL&nbsp;•
OpenVera&nbsp;•
C to HDL&nbsp;•
Flow to HDL&nbsp;•
MyHDL&nbsp;•
<a href="Just_Another_Hardware_Definition_Language" title="Just Another Hardware Definition Language">JHDL</a>&nbsp;•
ELLA
</p>
</td></tr>
<tr>
<td class="erw-nav-gruppe" style="white-space: nowrap;text-align: right;border: 1px solid transparent;border-top: 1px solid #FFF;border-bottom: 2px solid #FFF;padding: 0 1em;"><b>Hersteller</b>
</td>
<td class="hlist" style="text-align: left;border-left: 2px solid #fdfdfd;width: 100%;margin: .4em 0;border-color: #fdfdfd;padding: 0 .25em;">
<p>Accellera&nbsp;•
Achronix&nbsp;•
<a href="Altera" title="Altera">Altera</a> (<a href="Intel" title="Intel">Intel</a>)&nbsp;•
<a href="AMD" title="AMD">AMD</a> (<a href="Xilinx" title="Xilinx">Xilinx</a>)&nbsp;•
Aldec&nbsp;•
<a href="Bitmain" title="Bitmain">Bitmain</a>&nbsp;•
<a href="Cadence_Design_Systems" title="Cadence Design Systems">Cadence</a>&nbsp;•
Duolog&nbsp;•
Forte&nbsp;•
<a href="Infineon" title="Infineon">Infineon</a> (<a href="Cypress_Semiconductor_Corporation" title="Cypress Semiconductor Corporation">Cypress</a>)&nbsp;•
<a href="Lattice_Semiconductor_Corporation" title="Lattice Semiconductor Corporation">Lattice</a>&nbsp;•
<a href="Mentor_Graphics" title="Mentor Graphics">Mentor Graphics</a>&nbsp;•
<a href="Microchip_Technology" title="Microchip Technology">Microchip Technology</a>&nbsp;•
<a href="Signetics" title="Signetics">Signetics</a>&nbsp;•
<a href="Synopsys" title="Synopsys">Synopsys</a>
(Magma,
Virage Logic)&nbsp;•
<a href="Texas_Instruments" title="Texas Instruments">Texas Instruments</a>&nbsp;•
Tabula&nbsp;•
</p>
</td></tr>
<tr>
<td class="erw-nav-gruppe" style="white-space: nowrap;text-align: right;border: 1px solid transparent;border-top: 1px solid #FFF;border-bottom: 1px solid #FFF;padding: 0 1em;"><b>Produkte</b>
</td>
<td class="hlist" style="text-align: left;border-left: 2px solid #fdfdfd;width: 100%;margin: .4em 0;border-color: #fdfdfd;padding: 0;">
<div class="Broken-NavContent">
<table class="wikitable erw-nav-zebra" style="width:100%;margin:0;text-align:left;border-collapse:collapse;">
<tbody><tr>
<td class="erw-nav-gruppe" style="white-space: nowrap;text-align: right;border: 1px solid transparent;border-top: 1px solid #FFF;border-bottom: 2px solid #FFF;padding: 0 1em;"><b>Hardware</b>
</td>
<td class="hlist" style="text-align: left;border-left: 2px solid #fdfdfd;width: 100%;margin: .4em 0;border-color: #fdfdfd;padding: 0 .25em;">
<p><a href="Stratix" class="mw-redirect" title="Stratix">Stratix</a>&nbsp;•
<a href="Altera#Produkte" title="Altera">Agilex</a>&nbsp;•
<a href="Altera#Produkte" title="Altera">Cyclone</a>&nbsp;•
<a href="Altera#Produkte" title="Altera">Arria</a>&nbsp;•
<a href="Altera#Produkte" title="Altera">Max</a>&nbsp;•
Kintex&nbsp;•
Zynq&nbsp;•
Virtex&nbsp;•
iCE
</p>
</td></tr>
<tr>
<td class="erw-nav-gruppe" style="white-space: nowrap;text-align: right;border: 1px solid transparent;border-top: 1px solid #FFF;border-bottom: 2px solid #FFF;padding: 0 1em;"><b>Software</b>
</td>
<td class="hlist" style="text-align: left;border-left: 2px solid #fdfdfd;width: 100%;margin: .4em 0;border-color: #fdfdfd;padding: 0 .25em;">
<p><a href="Altera#Quartus" title="Altera">Intel Quartus Prime</a>&nbsp;•
Xilinx ISE&nbsp;•
Xilinx Vivado&nbsp;•
ModelSim&nbsp;•
VTR
</p>
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<td class="erw-nav-gruppe" style="white-space: nowrap;text-align: right;border: 1px solid transparent;border-top: 1px solid #FFF;border-bottom: 1px solid #FFF;padding: 0 1em;"><b>IP</b>
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<td class="erw-nav-gruppe" style="white-space: nowrap;text-align: right;border: 1px solid transparent;border-top: 1px solid #FFF;border-bottom: 2px solid #FFF;padding: 0 1em;"><b>Proprietär</b>
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<p>ARC&nbsp;•
<a href="Arm_Cortex-M" title="Arm Cortex-M">Arm Cortex-M</a>&nbsp;•
<a href="PowerPC" title="PowerPC">PowerPC</a>&nbsp;•
<a class="mw-selflink selflink">LEON</a>&nbsp;•
<a href="Lattice_Semiconductor_Corporation" title="Lattice Semiconductor Corporation">LatticeMico8</a>&nbsp;•
<a href="MicroBlaze" title="MicroBlaze">MicroBlaze</a>&nbsp;•
<a href="PicoBlaze" title="PicoBlaze">PicoBlaze</a>&nbsp;•
<a href="Altera_Nios" title="Altera Nios">Nios</a>&nbsp;•
<a href="Altera_Nios" title="Altera Nios">Nios II</a>
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<p><a href="Java-Prozessor" title="Java-Prozessor">JOP</a>&nbsp;•
<a href="Lattice_Semiconductor_Corporation" title="Lattice Semiconductor Corporation">LatticeMico32</a>&nbsp;•
OpenCores&nbsp;•
<a href="OpenRISC" title="OpenRISC">OpenRISC</a>&nbsp;•
<a href="RISC-V" title="RISC-V">RISC-V</a>&nbsp;•
Zet
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