The function of serial communication port in protocol tester was analyzed and a programmable multi-protocol serial communicationinterfacecircuit was designed.
分析了网络协议测试仪的串行通信接口功能,设计了一种可编程多协议串行接口电路。
2
The hardware structure is introduced, emphatically the communicationinterfacecircuit. The time sequence logic problem between CAN controller chip SJA1000 and AT91RM9200 is solved using the CPLD.