[{"title":"( 3 个子文件 1.96MB ) AT89S52中英文手册","children":[{"title":"A89S52.pdf <span style='color:#111;'> 550.92KB </span>","children":null,"spread":false},{"title":"AT89S52_Hardware Control.pdf <span style='color:#111;'> 1.73MB </span>","children":null,"spread":false},{"title":"At89c52_cn.pdf <span style='color:#111;'> 567.99KB </span>","children":null,"spread":false}],"spread":true}]