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DM6381F Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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DM6381F Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers |
1 / 40 page DM336P V.34 Integrated Data/ Fax/Voice/Speakerphone Modem Device Set Final 1 Version: DM336P-DS-F02 August 15, 2000 General Description The DM336P integrated modem is a four chipset design that provides a complete solution for state-of- the-art, voice-band Plain Old Telephone Service (POTS) communication. The modem provides for Data (up to 33,600bps), Fax (up to 14,400bps), Voice and Full Duplex Speaker-phone functions to comply with various international standards. The design of the DM336P is optimized for desktop personal computer applications and it provides a low cost, highly reliable, maximum integration, with the minimum amount of support required. The DM336P modem can operate over a dial-up network (PSTN) or 2 wire leased lines. The modem integrates auto dial and answer capabilities, synchronous and asynchronous data transmissions, serial and parallel interfaces, various tone detection schemes and data test modes. The DM336P modem’s reference design is pre- approved for FCC part 68 and provides minimum design cycle time, with minimum cost to insure the maximum amount of success. The simplified modem system, shown in figure below, illustrates the basic interconnection between the MCU, DSP, AFE and other basic components of a modem. The individual elements of the DM336P are: • DM6380 Analog Front End (AFE). 28-pin PLCC package • DM6381 ITU-T V.34 Transmit Digital Signal Processor (TX DSP). 100-pin QFP package • DM6382 ITU-T V.34 Receive Digital Signal Processor (RX DSP). 100-pin QFP package • DM6383 Modem Controller (MCU) built in Plug & Play (PnP). 100-pin QFP package Block Diagram LED Micro Controller Unit TX DSP Ring Detector Analog Font End TxD RxD MSCLK Address & Data Bus SCLK DIT DOT TFS DIR DOR RFS TxBCLK TxSCLK*2 RxBCLK RxSCLK 20.16MHz TxDCLK RxDCLK 40.32MHz DAA RxIN TxA1 TxA2 Line Speaker Driver ISA Bus
RX DSP V.24 Interface V.24 Interface PnP SPKR Microphone Driver |
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