Description: " Two-way" means plus or minus 1 operation, with a statement if dir = ' 1 ' then ... to the else realization asynchronous clear " means as long as the reset is high, cleared immediately, without the need to wait for clock pulse (counting pulses) arrival synchronous clock enable " refers to when the enable effective was also unable to immediately internal output value is loaded into the data side of the latch, but need to wait until the next clock under the control of the clock signal Further accordingly.
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File list (Check if you may need any files):
双向计数器\count.asm.rpt
..........\count.done
..........\count.fit.rpt
..........\count.fit.smsg
..........\count.fit.summary
..........\count.flow.rpt
..........\count.map.rpt
..........\count.map.summary
..........\count.pin
..........\count.qpf
..........\count.qsf
..........\count.qws
..........\count.sim.rpt
..........\count.tan.rpt
..........\count.tan.summary
..........\count.vhd
..........\count.vhd.bak
..........\count.vwf
..........\db\add_sub_4rh.tdf
..........\..\add_sub_5rh.tdf
..........\..\count.asm.qmsg
..........\..\count.asm.rdb
..........\..\count.cbx.xml
..........\..\count.cmp.bpm
..........\..\count.cmp.cdb
..........\..\count.cmp.ecobp
..........\..\count.cmp.hdb
..........\..\count.cmp.kpt
..........\..\count.cmp.logdb
..........\..\count.cmp.rdb
..........\..\count.cmp.tdb
..........\..\count.cmp0.ddb
..........\..\count.cmp_merge.kpt
..........\..\count.db_info
..........\..\count.eco.cdb
..........\..\count.eds_overflow
..........\..\count.fit.qmsg
..........\..\count.fnsim.cdb
..........\..\count.fnsim.hdb
..........\..\count.fnsim.qmsg
..........\..\count.hier_info
..........\..\count.hif
..........\..\count.lpc.html
..........\..\count.lpc.rdb
..........\..\count.lpc.txt
..........\..\count.map.bpm
..........\..\count.map.cdb
..........\..\count.map.ecobp
..........\..\count.map.hdb
..........\..\count.map.kpt
..........\..\count.map.logdb
..........\..\count.map.qmsg
..........\..\count.map_bb.cdb
..........\..\count.map_bb.hdb
..........\..\count.map_bb.logdb
..........\..\count.pre_map.cdb
..........\..\count.pre_map.hdb
..........\..\count.rpp.qmsg
..........\..\count.rtlv.hdb
..........\..\count.rtlv_sg.cdb
..........\..\count.rtlv_sg_swap.cdb
..........\..\count.sgate.rvd
..........\..\count.sgate_sm.rvd
..........\..\count.sgdiff.cdb
..........\..\count.sgdiff.hdb
..........\..\count.sim.cvwf
..........\..\count.sim.hdb
..........\..\count.sim.qmsg
..........\..\count.sim.rdb
..........\..\count.simfam
..........\..\count.sld_design_entry.sci
..........\..\count.sld_design_entry_dsc.sci
..........\..\count.smart_action.txt
..........\..\count.syn_hier_info
..........\..\count.tan.qmsg
..........\..\count.tis_db_list.ddb
..........\..\logic_util_heursitic.dat
..........\..\prev_cmp_count.asm.qmsg
..........\..\prev_cmp_count.fit.qmsg
..........\..\prev_cmp_count.map.qmsg
..........\..\prev_cmp_count.qmsg
..........\..\prev_cmp_count.sim.qmsg
..........\..\prev_cmp_count.tan.qmsg
..........\..\wed.wsf
..........\incremental_db\compiled_partitions\count.root_partition.cmp.cdb
..........\..............\...................\count.root_partition.cmp.dfp
..........\..............\...................\count.root_partition.cmp.hdb
..........\..............\...................\count.root_partition.cmp.kpt
..........\..............\...................\count.root_partition.cmp.logdb
..........\..............\...................\count.root_partition.cmp.rcfdb
..........\..............\...................\count.root_partition.cmp.re.rcfdb
..........\..............\...................\count.root_partition.map.cdb
..........\..............\...................\count.root_partition.map.dpi
..........\..............\...................\count.root_partition.map.hdb
..........\..............\...................\count.root_partition.map.kpt
..........\..............\README
..........\..............\compiled_partitions
..........\db
..........\incremental_db
双向计数器
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