This post lists all the file extensions used by Lattice Diamond 3.10 SP3.
File Extension: File Use
_sc: Schematic Editor log file
_sy: Symbol Editor log file
_wt: Waveform Editor Viewer log file
_wv: Waveform Viewer log file
.asc: ASCII schematic file
.asy: ASCII symbol file
.ed*: EDIF netlist
.err: Error output file
.fp0, .fp1: ORCAstra configuration file
.fpm: ORCAstra macro file
.his: Waveform Viewer history file
.ipx: Manifest file. This file is loaded into IPexpress so that modifications can be made to the module.
.lci: Constraint file
.lco: Constraint output from the Fitter (such as the post-fit pinouts)
.lct: Temporary working copy of the constraint file
.ldc: Lattice synthesis constraint file
.ldf: Lattice Diamond project file
.lpc: Lattice parameter configuration file created with IPexpress in ispLEVER
.lpf: Logical preference file
.nam: Binary waveform name file
.pcf: Power Calculator project file
.pin: Netlist file for generic netlist by pin
.rva: Reveal Analyzer file
.rvl, .rvs: Reveal Inserter project file
.sch: Schematic Editor files
.sty: Lattice Diamond strategy file
.sym: Symbol Editor file
.syn: ispLEVER project file (reserved only when importing an ispLEVER project into Lattice Diamond)
.spf: Lattice Diamond Simulation Wizard file
.tpf: Lattice Diamond Simulation timing preference file
.vis: ORCAstra custom Visual Window definition
.wav: Waveform Viewer waveforms and trigger information
.wdl: Waveform Editor display file
.wet: Waveform Editor database
References
File present in the install at: lscc/diamond/3.10_x64/docs/webhelp/eng/index.htm#page/User%2520Guides%2FManaging%2520Projects%2Freserved_file_names.htm%23ww1113352
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