基于fpga數(shù)據(jù)采集系統(tǒng)(編輯修改稿)
2025-07-23 15:11 本頁面
【文章內(nèi)容簡(jiǎn)介】 architecture bhv of adc08200 istype ad_states is (state0_type,state1_type)。signal sta_g_currentstate:ad_states。signal sta_g_nextstate:ad_states。signal ctl_gp_latchflag:std_logic。signal chipselect:std_logic。begin:process(sta_g_currentstate)begincase sta_g_currentstate iswhen state0_type=adclk=39。139。ctl_gp_latchflag=39。139。dclk=39。039。sta_g_nextstate=state1_type。when state1_type=adclk=39。039。ctl_gp_latchflag=39。039。dclk=39。139。sta_g_nextstate=state0_type。when others=adclk=39。039。ctl_gp_latchflag=39。039。dclk=39。139。sta_g_nextstate=state1_type。end case。end process 。reg:process(clk,rst)begin if rst=39。039。then sta_g_currentstate=state0_type。elsif(clk39。event and clk=39。139。)thensta_g_currentstate=sta_g_nextstate。end if。end process reg。latch:process(ctl_gp_latchflag)beginif rst=39。039。 then data=(others=39。039。)。elsif(ctl_gp_latchflag39。event and ctl_gp_latchflag=39。139。)then data=d。end if。end process latch。chipselect=ctloe。adpd=not chipselect。end architecture bhv。2. LPMFIFO宏模塊的調(diào)用 ，必須首先完成對(duì)采集轉(zhuǎn)換數(shù)據(jù)緩存和存放的設(shè)計(jì)。利用MegaWizardPlugIn Manager 定制FIFO宏功能塊。設(shè)計(jì)步驟如下： （1）打開MegaWizard PlugIn Manag
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