Calling Line Identifier
CMX602A
CONTENTS
Section
Page
1.1 Brief Description ............................................................................................1
1.2 Block Diagram ................................................................................................3
1.3 Signal List .......................................................................................................4
1.4 External Components....................................................................................6
1.5 General Description .......................................................................................7
1.5.1 Mode Control Logic .......................................................................7
1.5.2 Input Signal Amplifier....................................................................7
1.5.3 Bandpass Filter ..............................................................................8
1.5.4 Level Detector.................................................................................8
1.5.5 FSK Demodulator...........................................................................9
1.5.6 FSK Data Retiming.........................................................................9
1.5.7 Tone Alert Detector......................................................................10
1.5.8 Ring or Line Polarity Reversal Detector ....................................11
1.5.9 Xtal Osc and Clock Dividers .......................................................13
1.6 Application Notes.........................................................................................14
1.6.1 'On-Hook' Operation ....................................................................14
1.6.2 'Off-Hook' Operation....................................................................17
1.7 Performance Specification..........................................................................19
1.7.1 Electrical Performance ................................................................19
1.7.2 Packaging .....................................................................................23
ã 1998 Consumer Microcircuits Limited
2
D/602A/4
CMLMICRO [ CML MICROCIRCUITS ]
