描述该如何设计JTAG，尤其讲了JTAG CHAIN的设计，对于产品需要产业化的硬件工程师来说很重要！-How to design a description of the JTAG, the JTAG CHAIN stresses in particular the design, the product needs of the industrialization of hardware engineers is very important!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001927s ]
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:0.077947s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001014s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001142s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001023s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003026s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000843s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003590s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014264s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001170s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 194145 [ RunTime:0.015154s ]
