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NW6003 Datasheet

  • NW6003

  • TYPE II CALLER ID DECODER

  • 306.27KB

  • 21頁

  • IDT

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TYPE II CALLER ID DECODER
NW6003
FEATURES
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DESCRIPTION
The NW6003 device is a single-chip, 3/5 Volt CMOS caller ID and
call waiting detection circuit. It can receive signals following Bellcore
GR-30-CORE & SR-TSV-002476, BT SIN227 & SIN242, and CCA TW/
P&E/312 specifications.
The NW6003 provides 1200 baud Bell 202 and ITU-T V.23 FSK
demodulation. It allows a microcontroller to extract data from it via a
serial interface. In addition, the NW6003 offers Idle State and Loop
State Tone Alert Signal and line reversal detection capability for BT
CLIP, ring burst detection for the CCA CLIP, and ring and CAS
detection for Bellcore CID.
The device can be used in feature or cordless phones for BT
Calling Line Identity Presentation (CLIP), CCA CLIP and Bellcore
Calling Identity Delivery (CID) systems. It can also be used in caller ID
boxes, modem, fax machines, answering machines, database query
systems and Computer Telephony Integration (CTI) systems.
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鈥?/div>
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1200 baud Bell 202 and ITU-T V.23 Frequency Shift Keying (FSK)
Demodulation
Compliant with three specifications:
Bellcore GR-30-CORE & SR-TSV-002476
British Telecom (BT) SIN227 & SIN242
Cable Communication Association (CCA) TW/P&E/312
Bellcore 鈥淐PE Alerting Signal (CAS)鈥?and British Telecom 鈥淚dle
State and Loop State Tone Alert Signal鈥?detection
Ring and line reversal detection
High sensitivity with -40 dBV input Tone and FSK Detection
Serial data interface to microcontroller
3 V 鹵10% or 5 V 鹵10% operation
Low power CMOS with powerdown mode
Operating temperature range: -40 擄C to +85 擄C
Packages available:
NW6003-XS 24 pin SOIC
(where 鈥榅鈥?is the revision ID)
FUNCTIONAL BLOCK DIAGRAM
TRIGIN
TRIGRC
TRIGOUT
OSCIN
OSCOUT
Oscillator
Line Reverse
and
Ring Detector
Interrupt
Generator
INT
3 V/5 V
Detector
Guard Time
VREF
CAP
PWDN
STD
ST/GT
EST
CD
DCLK
DATA
DR
Bias
Generator
Dual Tone
Detector
IN +
IN -
+
-
FSK
Demodulator
Data/Timing Recovery
GS
FSKEN
MODE
Figure 1. Block Diagram
The IDT logo is a registered trademark of Integrated Device Technology, Inc
INDUSTRIAL TEMPERATURE RANGE
漏2002
Integrated Device Technology, Inc.
JULY 2002
DSC-6047/2

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