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SC14404 - Complete Baseband Processor for DECT Handsets

General Description

The SC14404 is a CMOS chip optimized to handle all the audio, signal and data processing needed within a DECT handset.

An ADPCM transcoder, a very low power CODEC and Analog Frontend is integrated.

Direct connections towards microphone and a (dynamical) loudspeaker are provided.

Key Features

  • n Integrated DECT Baseband transceiver optimized for GAP handsets according to ETS 300 175-2, 175-3 & 175-8. n Two on board low drop voltage regulators with 2.85V and 3.0- 3.8V (with external resistors the voltage can be determined) output. n 2V upto 3.6V battery input with onboard step up converter. ________________________________________________________________________________________________ System Diagram Note:.

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Other Datasheets by National Semiconductor (now Texas Instruments)

Part Number Description
SC14402 Complete Baseband Processor for DECT Handsets
SC14408 Complete Baseband Processor for DECT Handsets
SC14422 Complete Baseband Processor for DECT Base Stations
SC14425 Complete Baseband processor for DECT Base Stations with Caller-id and Handsfree
SC14428 Baseband Processor for FP & PP DECT and WDCT

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SC14404 Complete Baseband Processor for DECT Handsets PRELIMINARY FEBRUARY 2000 SC14404 Complete Baseband Processor for DECT Handsets General Description The SC14404 is a CMOS chip optimized to handle all the audio, signal and data processing needed within a DECT handset. An ADPCM transcoder, a very low power CODEC and Analog Frontend is integrated. Direct connections towards microphone and a (dynamical) loudspeaker are provided. Duplex quality handsfree operation is integrated. The SC14404 is designed to fit to any radio design. A dedicated TDMA controller handles all physical layer slot formats and radio control. National Semiconductors standard CompactRISCTM CR16B 16 bit microcontroller takes care of all the higher protocol stack.