模拟集成电路单元电路自动布局布线算法，主要包括了线扫描算法。-Analog IC circuit modules automatic placement and routing algorithms, including the main line scanning algorithm.

51单片机通过模拟I2C通信接口来操控修改接触式IC卡AT24C01上面的信息，以达到身份识别的目的，还可以把金额数写入IC卡中，作为局域内的消费卡片使用-51 microcontroller simulation I2C communication interface to manipulate the contactless IC card AT24C01 modify the above information, in order to achieve the purpose of ide