Ethernet chip MC9S12NE64 and its applications in remote power supervisory system

In order to monitor the parameters of the power network operation,manage the power network more efficiently and eliminate the fault in time,a system is designed for remote monitoring primary parameters of power network operation based on embedded Ethernet-chip.The chip MC9S12NE64 is introduced with its main features,inner structure and operation mode.The configuration,block diagram of equipment,circuit diagram and program block diagram of the monitoring system are given.