FR660-the integrated microcomputer circuit of communication single door

Published:2011/5/17 20:53:00 Author:Borg | Keyword: microcomputer, communication single door | From:SeekIC

GD9815-5 is an integrated microcomputer circuit of communication single door, which is used in wireless phones.1.function featuresFR660 contains sub-circuits of cell phone signal launch/receiving, ring control, charging detection, noise detection, generating of two-tone multiple-frequency DTMF signals, coding data signal generating, pulse dialing generating, out-layer series plugs and series communication plugs, with which we can detect dialing width and decodes, we can also use it to save the encoding information. 2.pin functions and data



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