时钟芯片PCF8563的51单片机程序
时钟不超过12MHZ，本程序已在51上试过，可以用-PCF8563 clock chip clock of 51 single-chip program does not exceed 12MHZ, this procedure has been tried in the 51
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001097s ]
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:0.073745s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001239s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001086s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000915s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003182s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000873s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003756s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015220s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001180s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 189646 [ RunTime:0.030260s ]
