一款IC卡表的设计方案，包含原理图和源程序。,An IC card table design, including schematics and source code.

电力行业，DLT645-2007电表远程费控通讯程序，认证、远程控制、密钥更新、ESAM数据回抄等方便简洁-Power industry, DLT645-2007 meter remote communication program fee control, authentication, remote control, key update, ESAM data back to copy simple and convenient