PCI总线是目前最为流行的一种局部性总线 通过对PCI总线一些典型功能的分析以及时序的阐述，利用VetilogHDL设计了一个将非PCI功能设备转接到PC1总线上的IP Core 同时，通过在ModeISim SE PLUS 6．0
上运行测试程序模块，得到了理想的仿真数据波形，从软件上证明了功能的实现。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001286s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.078057s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001068s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001184s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000989s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003196s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000839s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004107s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014989s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001145s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 581581 [ RunTime:0.084534s ]
