Speech prompt device for intelligent phone set
A voice prompt, smart phone technology, applied in branch office voice amplifier, voice amplifier application, reducing energy consumption, etc., can solve the problems of poor system security, limited system performance, single alarm voice, etc., to prevent misoperation and improve safety performance , the effect of improving performance
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[0010] Referring to accompanying drawing, the present invention adopts the voice chip 1 that the direct addressing mode model is ISD2590, the address line A0-A9 of voice chip 1 and the model are the P0.0-P0.7 of the single-chip microcomputer P0 mouth of AT89C51 and the P0.0-P0.7 of the P1 mouth P1.0-1.1 connection, at least one of A8-A9 is 0. The recording and playback mode selection control input terminal P / R, power-saving mode control input terminal PD, chip selection signal input terminal CE and overflow flag input terminal OVF of the voice chip 1 are respectively connected with P1.2-1.5 of the single chip microcomputer P1 port of the model AT89C51 connect. The information end mark output terminal EOM of the voice chip 1 is connected to the input INT1 terminal of the external interrupt 1 of the single-chip microcomputer whose model is AT89C51. The output signal of the voice chip 1 is connected to the telephone line by the capacitive coupler-3 formed by its SP+ terminal via...
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