80386芯片总线操作方式

Author: 卢熙辉 Date: 1993-09-03

        ________________________
        低          低          低         中断响应
        低          低          高         不可能出现
        低          高          低         I/O数据读
        低          高          高         I/O数据写
        高          低          低         内存代码读
        高          低          高         停止/停机
        高          高          低         内存数据读
        高          高          高         内存数据写
        ( 卢 熙 辉 )