摘要
本文提供一种实用电路,使得8位单片机P89C51RD2方便地实现ISP状态与正常运行状态的切换。该电路已经过实际运用,对于智能系统的现场目标代码的更换具备极大的操作可行性。
The text provides a practical electric circuit, it can realize switch between ISP state and normal operation state for P89C51RD2.The electric circuit is already in actual application,has large operation possibility for the replacing object code in spot.
出处
《工业控制计算机》
2004年第1期56-57,共2页
Industrial Control Computer
