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SC14428 - Baseband Processor for FP & PP DECT and WDCT

General Description

.The SC14428 is a CMOS IC optimized to handle all the audio, signal and data processing needed within a DECT (1.9 GHz) or 2.4GHz ISM digital band base stations and handsets.

A four channel ADPCM transcoder, a very low power 16 bit Codec and Analog Frontend are integrated.

Key Features

  • Complies with DECT ETS 300 175-2,3 & 8 SWAP-CA V1.3 Rev 1.3 20000616.
  • 1.8Volt operating voltage with 2.65V (typ) IO pads.
  • Two chip low drop voltage regulators.
  • 16 bit CompactRISCTM CR16C Microprocessor with programmable clock speeds up to 20.736 MHz.
  • Four channel DMA controller.
  • Serial Debug interface, Nexus Class-1 compliant.
  • 16kbyte shared, 6kbyte non shared RAM.
  • 4kbyte shared RAM for TAM DSP.
  • Versions with ROM, FLASH and data FLASH 3.0 System.

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Other Datasheets by National Semiconductor (now Texas Instruments)

Part Number Description
SC14422 Complete Baseband Processor for DECT Base Stations
SC14425 Complete Baseband processor for DECT Base Stations with Caller-id and Handsfree
SC14402 Complete Baseband Processor for DECT Handsets
SC14404 Complete Baseband Processor for DECT Handsets
SC14408 Complete Baseband Processor for DECT Handsets

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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SC14428 Baseband Processor for FP & PP DECT and WDCT ADVANCED INFORMATION March 2004 SC14428 Baseband Processor for FP & PP DECT and WDCT 1.0 General description .The SC14428 is a CMOS IC optimized to handle all the audio, signal and data processing needed within a DECT (1.9 GHz) or 2.4GHz ISM digital band base stations and handsets. A four channel ADPCM transcoder, a very low power 16 bit Codec and Analog Frontend are integrated. Direct connections towards PSTN or ISDN line interface are possible. The SC14428 has a programmable Generic DSP optimized for telecom applications. The SC14428 is designed to fit to any radio interface. A dedicated TDMA controller handles all physical layer slot formats and radio control.