文件名称:spi_adda
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实现FPGA读取AD转换的数据，AD芯片我采用的是ADS7844，采用的是SPI通信方式-achieve the function of read the data from the AD transform chip.the communciation method is SPI.i have tested the code ,and it can work.
(系统自动生成,下载前可以参看下载内容)
下载文件列表
spi_adda\db\logic_util_heursitic.dat
........\..\prev_cmp_spi_adda.asm.qmsg
........\..\prev_cmp_spi_adda.eda.qmsg
........\..\prev_cmp_spi_adda.fit.qmsg
........\..\prev_cmp_spi_adda.map.qmsg
........\..\prev_cmp_spi_adda.qmsg
........\..\prev_cmp_spi_adda.sta.qmsg
........\..\spi_adda.asm.qmsg
........\..\spi_adda.asm.rdb
........\..\spi_adda.asm_labs.ddb
........\..\spi_adda.cbx.xml
........\..\spi_adda.cmp.bpm
........\..\spi_adda.cmp.cbp
........\..\spi_adda.cmp.cdb
........\..\spi_adda.cmp.ecobp
........\..\spi_adda.cmp.hdb
........\..\spi_adda.cmp.kpt
........\..\spi_adda.cmp.logdb
........\..\spi_adda.cmp.rdb
........\..\spi_adda.cmp_merge.kpt
........\..\spi_adda.cuda_io_sim_cache.31um_ff_1200mv_0c_fast.hsd
........\..\spi_adda.cuda_io_sim_cache.31um_ss_1200mv_85c_slow.hsd
........\..\spi_adda.db_info
........\..\spi_adda.eco.cdb
........\..\spi_adda.eda.qmsg
........\..\spi_adda.fit.qmsg
........\..\spi_adda.hier_info
........\..\spi_adda.hif
........\..\spi_adda.lpc.html
........\..\spi_adda.lpc.rdb
........\..\spi_adda.lpc.txt
........\..\spi_adda.map.bpm
........\..\spi_adda.map.cdb
........\..\spi_adda.map.ecobp
........\..\spi_adda.map.hdb
........\..\spi_adda.map.kpt
........\..\spi_adda.map.logdb
........\..\spi_adda.map.qmsg
........\..\spi_adda.map_bb.cdb
........\..\spi_adda.map_bb.hdb
........\..\spi_adda.map_bb.logdb
........\..\spi_adda.pre_map.cdb
........\..\spi_adda.pre_map.hdb
........\..\spi_adda.rpp.qmsg
........\..\spi_adda.rtlv.hdb
........\..\spi_adda.rtlv_sg.cdb
........\..\spi_adda.rtlv_sg_swap.cdb
........\..\spi_adda.sgate.rvd
........\..\spi_adda.sgate_sm.rvd
........\..\spi_adda.sgdiff.cdb
........\..\spi_adda.sgdiff.hdb
........\..\spi_adda.sld_design_entry.sci
........\..\spi_adda.sld_design_entry_dsc.sci
........\..\spi_adda.smart_action.txt
........\..\spi_adda.sta.qmsg
........\..\spi_adda.sta.rdb
........\..\spi_adda.sta_cmp.8_slow_1200mv_85c.tdb
........\..\spi_adda.syn_hier_info
........\..\spi_adda.tiscmp.fastest_slow_1200mv_0c.ddb
........\..\spi_adda.tiscmp.fastest_slow_1200mv_85c.ddb
........\..\spi_adda.tiscmp.fast_1200mv_0c.ddb
........\..\spi_adda.tiscmp.slow_1200mv_0c.ddb
........\..\spi_adda.tiscmp.slow_1200mv_85c.ddb
........\..\spi_adda.tis_db_list.ddb
........\..\spi_adda.tmw_info
........\edge_check.v
........\FIFO_8X8.V
........\incremental_db\compiled_partitions\spi_adda.root_partition.cmp.cdb
........\..............\...................\spi_adda.root_partition.cmp.dfp
........\..............\...................\spi_adda.root_partition.cmp.hdb
........\..............\...................\spi_adda.root_partition.cmp.kpt
........\..............\...................\spi_adda.root_partition.cmp.logdb
........\..............\...................\spi_adda.root_partition.cmp.rcfdb
........\..............\...................\spi_adda.root_partition.cmp.re.rcfdb
........\..............\...................\spi_adda.root_partition.map.cdb
........\..............\...................\spi_adda.root_partition.map.dpi
........\..............\...................\spi_adda.root_partition.map.hdb
........\..............\...................\spi_adda.root_partition.map.kpt
........\..............\README
........\my_uart_tx.v
........\simulation\modelsim\modelsim.ini
........\..........\........\msim_transcript
........\..........\........\rtl_work\spi_adda\verilog.prw
........\..........\........\........\........\verilog.psm
........\..........\........\........\........\_primary.dat
........\..........\........\........\........\_primary.dbs
........\..........\........\........\........\_primary.vhd
........\..........\........\........\........_vlg_tst\verilog.prw
........\..........\........\........\................\verilog.psm
........\..........\........\........\................\_primary.dat
........\..........\........\........\................\_primary.dbs
........\..........\........\........\................\_primary.vhd
........\..........\........\........\_info
........\..........\........\........\_vmake
........\..........\........\spi_adda.sft
........\..........\