NEC公司的ASSP芯片pdf文档,用于步进电机和直流电机的PWM控制,支持与51单片机通信。-NEC corporation,ASSP chip,datasheet,pdf,function is control the motor,using step control or PWM control.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001582s ]
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:0.066438s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000950s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001202s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001016s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003218s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001499s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004085s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015143s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001156s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 174150 [ RunTime:0.014687s ]