文件名称:freqm
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以CPLD器件EPM7128SLC84-15为核心实现的简易数字频率计,采用在一定时间内对数字脉冲计数的方法,可直接测量TTL电平的数字脉冲信号的频率、周期和脉宽。其他一些信号可经过信号预处理电路变换后测量。
量程:1Hz~999999Hz
输入信号:(1)TTL电平数字脉冲信号;(2)方波/正弦波,幅度0.5~5V
显示:七段数码管显示频率(Hz)和周期/脉宽(us)
控制:两个拨码开关切换三种工作模式:测频率,测周期,测脉宽-Frequency Counter realized with Altera EPM7128SLC84-15. It can measure frequecy, cycle and pulse width of TTL sigals.相关搜索: Frequency
Counter
vhdl
频率计
vhdl
频率计
量程
pulse
counter
vhdl
frequency
counter
counter
frequency
counter
VHDL
数字频率计
数字频率计
LCD显示
量程:1Hz~999999Hz
输入信号:(1)TTL电平数字脉冲信号;(2)方波/正弦波,幅度0.5~5V
显示:七段数码管显示频率(Hz)和周期/脉宽(us)
控制:两个拨码开关切换三种工作模式:测频率,测周期,测脉宽-Frequency Counter realized with Altera EPM7128SLC84-15. It can measure frequecy, cycle and pulse width of TTL sigals.相关搜索: Frequency
Counter
vhdl
频率计
vhdl
频率计
量程
pulse
counter
vhdl
frequency
counter
counter
frequency
counter
VHDL
数字频率计
数字频率计
LCD显示
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下载文件列表
freqm
.....\cmp_state.ini
.....\counter
.....\.......\cmp_state.ini
.....\.......\counter.asm.rpt
.....\.......\counter.bsf
.....\.......\counter.done
.....\.......\counter.fit.eqn
.....\.......\counter.fit.rpt
.....\.......\counter.fit.summary
.....\.......\counter.flow.rpt
.....\.......\counter.map.eqn
.....\.......\counter.map.rpt
.....\.......\counter.map.summary
.....\.......\counter.pin
.....\.......\counter.pof
.....\.......\counter.qpf
.....\.......\counter.qsf
.....\.......\counter.qws
.....\.......\counter.sim.rpt
.....\.......\counter.tan.rpt
.....\.......\counter.tan.summary
.....\.......\counter.vhd
.....\.......\counter.vhd.bak
.....\.......\counter.vwf
.....\.......\db
.....\.......\..\counter.asm.qmsg
.....\.......\..\counter.cmp.cdb
.....\.......\..\counter.cmp.ddb
.....\.......\..\counter.cmp.hdb
.....\.......\..\counter.cmp.rdb
.....\.......\..\counter.cmp.tdb
.....\.......\..\counter.db_info
.....\.......\..\counter.fit.qmsg
.....\.......\..\counter.hier_info
.....\.......\..\counter.hif
.....\.......\..\counter.map.cdb
.....\.......\..\counter.map.hdb
.....\.......\..\counter.map.qmsg
.....\.......\..\counter.pre_map.hdb
.....\.......\..\counter.project.hdb
.....\.......\..\counter.rpp.qmsg
.....\.......\..\counter.rtlv.hdb
.....\.......\..\counter.rtlv_sg.cdb
.....\.......\..\counter.rtlv_sg_swap.cdb
.....\.......\..\counter.sgate.rvd
.....\.......\..\counter.sgdiff.cdb
.....\.......\..\counter.sgdiff.hdb
.....\.......\..\counter.sim.hdb
.....\.......\..\counter.sim.qmsg
.....\.......\..\counter.sim.rdb
.....\.......\..\counter.sim.vwf
.....\.......\..\counter.sld_design_entry.sci
.....\.......\..\counter.sld_design_entry_dsc.sci
.....\.......\..\counter.syn_hier_info
.....\.......\..\counter.tan.qmsg
.....\.......\..\counter_cmp.qrpt
.....\.......\..\counter_sim.qrpt
.....\.......\sim.cfg
.....\counter.bsf
.....\counter.vhd
.....\db
.....\..\add_sub_4ph.tdf
.....\..\add_sub_snh.tdf
.....\..\freqm.asm.qmsg
.....\..\freqm.cmp.cdb
.....\..\freqm.cmp.ddb
.....\..\freqm.cmp.hdb
.....\..\freqm.cmp.rdb
.....\..\freqm.cmp.tdb
.....\..\freqm.db_info
.....\..\freqm.fit.qmsg
.....\..\freqm.fld
.....\..\freqm.hier_info
.....\..\freqm.hif
.....\..\freqm.map.cdb
.....\..\freqm.map.hdb
.....\..\freqm.map.qmsg
.....\..\freqm.pre_map.hdb
.....\..\freqm.project.hdb
.....\..\freqm.rpp.qmsg
.....\..\freqm.rtlv.hdb
.....\..\freqm.rtlv_sg.cdb
.....\..\freqm.rtlv_sg_swap.cdb
.....\..\freqm.sgate.rvd
.....\..\freqm.sgdiff.cdb
.....\..\freqm.sgdiff.hdb
.....\..\freqm.sim.hdb
.....\..\freqm.sim.qmsg
.....\..\freqm.sim.rdb
.....\..\freqm.sim.vwf
.....\..\freqm.sld_design_entry.sci
.....\..\freqm.sld_design_entry_dsc.sci
.....\..\freqm.syn_hier_info
.....\..\freqm.tan.qmsg
.....\..\freqm_cmp.qrpt
.....\..\freqm_sim.qrpt
.....\dispselector
.....\............\cmp_state.ini
.....\............\db
.....\cmp_state.ini
.....\counter
.....\.......\cmp_state.ini
.....\.......\counter.asm.rpt
.....\.......\counter.bsf
.....\.......\counter.done
.....\.......\counter.fit.eqn
.....\.......\counter.fit.rpt
.....\.......\counter.fit.summary
.....\.......\counter.flow.rpt
.....\.......\counter.map.eqn
.....\.......\counter.map.rpt
.....\.......\counter.map.summary
.....\.......\counter.pin
.....\.......\counter.pof
.....\.......\counter.qpf
.....\.......\counter.qsf
.....\.......\counter.qws
.....\.......\counter.sim.rpt
.....\.......\counter.tan.rpt
.....\.......\counter.tan.summary
.....\.......\counter.vhd
.....\.......\counter.vhd.bak
.....\.......\counter.vwf
.....\.......\db
.....\.......\..\counter.asm.qmsg
.....\.......\..\counter.cmp.cdb
.....\.......\..\counter.cmp.ddb
.....\.......\..\counter.cmp.hdb
.....\.......\..\counter.cmp.rdb
.....\.......\..\counter.cmp.tdb
.....\.......\..\counter.db_info
.....\.......\..\counter.fit.qmsg
.....\.......\..\counter.hier_info
.....\.......\..\counter.hif
.....\.......\..\counter.map.cdb
.....\.......\..\counter.map.hdb
.....\.......\..\counter.map.qmsg
.....\.......\..\counter.pre_map.hdb
.....\.......\..\counter.project.hdb
.....\.......\..\counter.rpp.qmsg
.....\.......\..\counter.rtlv.hdb
.....\.......\..\counter.rtlv_sg.cdb
.....\.......\..\counter.rtlv_sg_swap.cdb
.....\.......\..\counter.sgate.rvd
.....\.......\..\counter.sgdiff.cdb
.....\.......\..\counter.sgdiff.hdb
.....\.......\..\counter.sim.hdb
.....\.......\..\counter.sim.qmsg
.....\.......\..\counter.sim.rdb
.....\.......\..\counter.sim.vwf
.....\.......\..\counter.sld_design_entry.sci
.....\.......\..\counter.sld_design_entry_dsc.sci
.....\.......\..\counter.syn_hier_info
.....\.......\..\counter.tan.qmsg
.....\.......\..\counter_cmp.qrpt
.....\.......\..\counter_sim.qrpt
.....\.......\sim.cfg
.....\counter.bsf
.....\counter.vhd
.....\db
.....\..\add_sub_4ph.tdf
.....\..\add_sub_snh.tdf
.....\..\freqm.asm.qmsg
.....\..\freqm.cmp.cdb
.....\..\freqm.cmp.ddb
.....\..\freqm.cmp.hdb
.....\..\freqm.cmp.rdb
.....\..\freqm.cmp.tdb
.....\..\freqm.db_info
.....\..\freqm.fit.qmsg
.....\..\freqm.fld
.....\..\freqm.hier_info
.....\..\freqm.hif
.....\..\freqm.map.cdb
.....\..\freqm.map.hdb
.....\..\freqm.map.qmsg
.....\..\freqm.pre_map.hdb
.....\..\freqm.project.hdb
.....\..\freqm.rpp.qmsg
.....\..\freqm.rtlv.hdb
.....\..\freqm.rtlv_sg.cdb
.....\..\freqm.rtlv_sg_swap.cdb
.....\..\freqm.sgate.rvd
.....\..\freqm.sgdiff.cdb
.....\..\freqm.sgdiff.hdb
.....\..\freqm.sim.hdb
.....\..\freqm.sim.qmsg
.....\..\freqm.sim.rdb
.....\..\freqm.sim.vwf
.....\..\freqm.sld_design_entry.sci
.....\..\freqm.sld_design_entry_dsc.sci
.....\..\freqm.syn_hier_info
.....\..\freqm.tan.qmsg
.....\..\freqm_cmp.qrpt
.....\..\freqm_sim.qrpt
.....\dispselector
.....\............\cmp_state.ini
.....\............\db