It emphasizes on the interface circuit between TMS320F206 and MAX147 and their communication by synchronous series port. Besides, the resource procedure of sampling is offered at last.
着重介绍了TMS320F 206与MAX147的接口电路及同步采样串口操作，并在最后给出了采样源程序。
The meter is designed with isolated RS485 series interface and standard communication protocal compatible with ADAM4000 and can be connected to control network directly.
测试仪设计有隔离的RS485标准串行口，通讯协议兼容研华ADAM4000系列，能够直接接入RS485总线网络。
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