this is a example for using fpga，you can use it to understand the method

分频1秒和0.5秒\.xhdl3.xref
..............\cmp_state.ini
..............\db\ledwater.asm.qmsg
..............\..\ledwater.asm_labs.ddb
..............\..\ledwater.cbx.xml
..............\..\ledwater.cmp.cdb
..............\..\ledwater.cmp.hdb
..............\..\ledwater.cmp.kpt
..............\..\ledwater.cmp.logdb
..............\..\ledwater.cmp.rdb
..............\..\ledwater.cmp.tdb
..............\..\ledwater.cmp0.ddb
..............\..\ledwater.cmp2.ddb
..............\..\ledwater.db_info
..............\..\ledwater.eco.cdb
..............\..\ledwater.fit.qmsg
..............\..\ledwater.hier_info
..............\..\ledwater.hif
..............\..\ledwater.lpc.html
..............\..\ledwater.lpc.rdb
..............\..\ledwater.lpc.txt
..............\..\ledwater.map.cdb
..............\..\ledwater.map.hdb
..............\..\ledwater.map.logdb
..............\..\ledwater.map.qmsg
..............\..\ledwater.pre_map.cdb
..............\..\ledwater.pre_map.hdb
..............\..\ledwater.rtlv.hdb
..............\..\ledwater.rtlv_sg.cdb
..............\..\ledwater.rtlv_sg_swap.cdb
..............\..\ledwater.sgdiff.cdb
..............\..\ledwater.sgdiff.hdb
..............\..\ledwater.sld_design_entry.sci
..............\..\ledwater.sld_design_entry_dsc.sci
..............\..\ledwater.syn_hier_info
..............\..\ledwater.tan.qmsg
..............\..\ledwater.tis_db_list.ddb
..............\..\ledwater.tmw_info
..............\..\ledwater_cmp.qrpt
..............\..\prev_cmp_ledwater.asm.qmsg
..............\..\prev_cmp_ledwater.fit.qmsg
..............\..\prev_cmp_ledwater.map.qmsg
..............\..\prev_cmp_ledwater.qmsg
..............\..\prev_cmp_ledwater.tan.qmsg
..............\incremental_db\compiled_partitions\ledwater.root_partition.map.kpt
..............\..............\README
..............\ledwater.asm.rpt
..............\ledwater.cdf
..............\ledwater.done
..............\ledwater.dpf
..............\ledwater.fit.eqn
..............\ledwater.fit.rpt
..............\ledwater.fit.smsg
..............\ledwater.fit.summary
..............\ledwater.flow.rpt
..............\ledwater.map.eqn
..............\ledwater.map.rpt
..............\ledwater.map.summary
..............\ledwater.pin
..............\ledwater.pof
..............\ledwater.qpf
..............\ledwater.qsf
..............\ledwater.qws
..............\ledwater.tan.rpt
..............\ledwater.tan.summary
..............\ledwater.v
..............\ledwater.v.bak
..............\ledwater_assignment_defaults.qdf
..............\incremental_db\compiled_partitions
..............\db
..............\incremental_db
分频1秒和0.5秒

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