Calling Line Identifier
2
MX602 - PRELIMINARY INFORMATION
CONTENTS
Section
Page
1. Block Diagram................................................................................................................................. 3
2. Signal List........................................................................................................................................ 4
3. External Components..................................................................................................................... 5
4. General Description........................................................................................................................ 6
4.1 Mode Control Logic.................................................................................................................................. 6
4.2 Input Signal Amplifier ............................................................................................................................... 6
4.3 Bandpass Filter ........................................................................................................................................ 7
4.4 Level Detector.......................................................................................................................................... 7
4.5 FSK Demodulator..................................................................................................................................... 8
4.6 FSK Data Retiming .................................................................................................................................. 8
4.7 Tone Alert Detector.................................................................................................................................. 9
4.8 Ring or Line Polarity Reversal Detector................................................................................................. 10
4.9 Xtal Osc and Clock Dividers................................................................................................................... 11
5. Application Notes.......................................................................................................................... 12
5.1 Typical Caller Identity Delivery (Caller ID) System Signals.................................................................... 12
5.2 MX602 CIDCW (Calling Line Identity on Call Waiting) Operation.......................................................... 13
5.2.1 Introduction .....................................................................................................................................................13
5.2.2 Overview.........................................................................................................................................................14
5.2.3 Detailed Procedure for CIDCW Transaction Initiation Detection ....................................................................16
5.2.4 Block Diagrams of Adjunct Box and Telephone Set Interface ........................................................................17
5.2.5 Timing Diagrams.............................................................................................................................................18
6. Performance Specification........................................................................................................... 22
6.1 Electrical Performance........................................................................................................................... 22
6.2 Packaging .............................................................................................................................................. 26
MX•COM, Inc. reserves the right to change specifications at any time and without notice.
© 1998 MX•COM Inc.
www.mxcom.com Tele: 800 638-5577 336 744-5050 Fax: 336 744-5054
Doc. # 20480136.004
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
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CMLMICRO [ CML MICROCIRCUITS ]
