AT89S51,AT89S52,AT89S53单片机的引脚，内部组成结构详细资料说明。英文资料。-AT89S51, AT89S52, AT89S53 MCU pin, the internal composition of the structure of detailed information. And English languages.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001409s ]
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:0.088575s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.005392s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002042s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001258s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005504s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001171s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007726s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.023434s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001546s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 126524 [ RunTime:0.016969s ]
