通过单片机（例如：HT95系列、EMC78系列、MCS51系列等）和外围电路的设计应用三级管的3个特性区，结合程序来实现来电显示的解码。此方法能提供比较高的稳定性和可靠性。在设计应用中，免去了因采用FSK或DTMF专有解码芯片的高额成本。-Through the SCM (eg: HT95 series, EMC78 series, MCS51 series, etc.) and external circuit design and application of the three characteristics of three control areas, combined with procedures to implement Caller ID decoding. This method can provide higher stability and reliability of. Application in the design, eliminating the need for the exclusive use of FSK or DTMF decoder chip high costs.