The design of the single chip system, sample box thermostat circuit, sample position detecting circuit and step motor control circuit are discussed.
着重讨论了单片机系统、样品箱恒温电路、样品位置检测电路和步进电机控制电路的设计。
3
This paper mainly introduces interface circuit design of 8259a and 32 bit single chip microcomputer, provides a method for extension of 80960kb interrupt system.