STC12C5A60S2单片机datasheet上的ad转换程序应用后，只开p1.0路，采集正确，8路都开会出现乱码现象！求解答
http://wenku.baidu.com/link?url=oDNLuXkOhu15y8okZc1tMHcnQ40VnO6vkQCnSxt2wJPtzUB5uD1ay5_05Vtulb2eQ7H4HTDNWuJRybpvRrfpYlZEvezTMBKWA1b_cMgo9Ma