PXA255外围扩展功能，使用LC4256-176TQFP。扩展了CF卡、分时复用串口、电源管理、键盘等接口/功能。-PXA255 external expansion function, use the LC4256-176TQFP. Expansion of the CF card, time-sharing multiplexed serial port, power management, keyboard interface/functionality.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001281s ]
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:0.091213s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001433s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002374s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001220s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003554s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001083s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003227s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015259s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001488s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 124235 [ RunTime:0.001446s ]
