Introduction - If you have any usage issues, please Google them yourself
Contains the Microcomputer Principle and Interface Technology on the 8255A sample questions and answers in detail.
Packet : 814045918255a.rar filelist
8255A方式0典型应用.doc
8255A方式0-例子.doc
8255A方式1-例子.doc
8255A方式2-例子.doc