USN转串口芯片的详细资料，包含windows环境下驱动。此芯片电路简单，使用方便！-USN-to-serial chip, detailed information, including driving under the windows environment. The chip circuit is simple, easy to use!

操作周立功CAN盒进行通讯，操作USN转232串口线进行通讯，将通讯数据结果记录保存ACCESS数据仓库-Operation ZLG CAN box for communication, operation USN to 232 serial line to communicate, the communication data result record to save ACCESS data warehouse