Introduction - If you have any usage issues, please Google them yourself
Personal originality, have the test. Function: the completion of serial data and send and receive RS232 data format conversion, ST16C450+ String and two-way conversions and transceivers generate timing features, advantages: eliminating the traditional need for CPU intervention ST16C450 shortcomings, simplify the design, pure hardware automatically converted, disadvantages: ignore the various abnormal alarm, error test applies to the use of (transmission errors by the error detection test function modules completed).