According to the specification of CID (calling identity delivery), the CID circuit is designed and realized by using ARM7 and FSK decoding chip MT88E39.
根据现有的来电显示(CID)技术规范，利用ARM7、FSK制式的来电显示解码芯片MT 88e39完成了主叫号码识别电路的设计和实现。
According to the specification of CID (calling identity delivery), the CID circuit is designed and realized by using ARM7 and FSK decoding chip MT88E39.
根据现有的来电显示(CID)技术规范，利用ARM7、FSK制式的来电显示解码芯片MT 88e39完成了主叫号码识别电路的设计和实现。
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