x9852的应用工程，keil c51编写完成。是我参加全国电家分享子设计大赛时写的，传上来和大。x9852是一块使用i2c总线的数字电位器，方便实现嵌入式系统的数字控制。-x9852 of applied engineering, keil c51 completed. I take part in the national power-sharing sub-family Design Competition when written Chuan-up and big. x9852 is a