Importance

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Abstract

A voice announcement technique for directly accessing a memory containing voice announcement data stored therein at the final output stage of the base station unit of a CT-2 digital cordless telephone system includes: a memory for storing voice announcement data therein; a conversion unit for converting voice announcement data received from the memory into a radio signal according to a CT-2 format, and for outputting the radio signal, a direct memory access control unit for accessing the data from the memory in a direct memory access manner when receiving a transfer request signal, and for sending the accessed data to a data bus, and an interface unit coupled between the conversion unit and the direct memory access control unit, the interface unit dividing the frequency of a direct memory access clock output from the conversion unit, and for generating the transfer request signal, while sending the data on the data bus to the conversion unit when the direct memory access control unit generates a transfer acknowledge signal.

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First Claim