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SC14402CVJGNSN/a230avaiComplete Baseband Processor for DECT Handsets


SC14402CVJG ,Complete Baseband Processor for DECT HandsetsGeneral Description■ 2.95 to 3.6 Volt operating voltage.Preliminary document version 1.5.■ Very low ..
SC14402DRVJG ,Complete Baseband Processor for DECT Handsets [Preliminary]General Description■ 2.95 to 3.6 Volt operating voltage.Preliminary document version 1.5.■ Very low ..
SC14402DVJG ,Complete Baseband Processor for DECT Handsets [Preliminary]SC14402 Complete Baseband Processor for DECT HandsetsPRELIMINARYFebruary 1998SC14402Complete Baseba ..
SC14402DVJG ,Complete Baseband Processor for DECT Handsets [Preliminary]Features(DiP).■ Integrated DECT Baseband transceiver optimized for ■ Eight programmable control sig ..
SC14404BFLAG ,Complete Baseband Processor for DECT HandsetsGeneral Descriptionn 3V upto 5.0V battery monitor input.The SC14404 is a CMOS chip optimized to han ..
SC14404BFLBC ,Complete Baseband Processor for DECT HandsetsFeatureswhich supports 1.152 MHz, 0.576 MHz and 0.288 MHzbit rates.n Integrated DECT Baseband trans ..
SDA2112-2 ,TV PLL for 125 kHZ ResolutionFeatures . No external integrator necessary . internal buffer . Microprocessor compatible 7 ..
SDA2131 ,Static LED Display Driver with Blanking CapabilitySIEMENS Static LED Display Driver with Blanking Capability Featu res . Integrated load res ..
SDA2208-3 , IR REMOTE CONTROL TRANSMITTER WITH IR DIODE DRIVER
SDA24N16 , SCHOTTKY DIODE ARRAY
SDA24N16 , SCHOTTKY DIODE ARRAY
SDA2516-5 , Nonvolatile Memory 1-Kbit E2PROM


SC14402CVJG
Complete Baseband Processor for DECT Handsets
SC14402
Complete Baseband Processor for DECT Handsets
General Description

Preliminary document version 1.5.
The SC14402 is a 3.0 Volt 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 con-
nections towards microphone and a (dynamical) loud-
speaker are provided.
The SC14402 is designed such that it is compatible with
many radio interfaces.
A dedicated TDMA controller handles all physical layer
slot formats and radio control.
National Semiconductors standard CompactRISCTM
CR16A 16 bit microcontroller with external ROM takes
care of all the higher protocol stack.
Features
Integrated DECT Baseband transceiver optimized for
GAP handsets according to ETS 300 175-2, 175-3 &
175-8. 2.95 to 3.6 Volt operating voltage. Very low power in active and paging mode. Max 5V battery input. Embedded 16 bit CompactRISCTM Micro Controller.
(CR16A) with programmable clock speeds. ACCESSBUSTM or MICROWIRETM interfaces can be
handled. 4 kByte on-chip Data Memory. One full duplex ADPCM transcoder. On-chip 14-bit linear CODEC. 8 upto 38 dB gain differential microphone input buffer. 100 Ω loudspeaker driver. Software controlled gain on audio input and output. On-chip gaussian Modulator. Peak hold ADC for RSSI measurement. Three general purpose inputs can be multiplexed on an
8 bit ADC with selectable ranges. Advanced battery management unit On board dedicated TDMA instruction co-processor
(DiP). Eight programmable control signals for radio front end. Serial interface to control radio front end circuitry. Full support of all data formats.
________________________________________________________________________________________________
System Diagram

SC14401
SC14402
SC14401
SC14402
SC14402
SC14422
PSTN
ISDN
ISDN or
PSTN
Interface
PRELIMINARY

February 1998
ACCESSBUSTM , MICROWIRETM and CompactRISCTM are trademarks of National Semiconductor Corporation.
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