CMX208 Просмотр технического описания (PDF) - CML Microsystems Plc

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Компоненты Описание

производитель

CMX208

ISDN Dual Telephony Protocol Engine

CML Microsystems Plc 

ISDN Dual Telephony Protocol Engine

CMX208

Section

CONTENTS

Page

1.0 Features and Applications .........................................................................1

1.1 Brief Description.........................................................................................1

1.2 Block Diagram ............................................................................................3

1.3 Signal List ...................................................................................................4

1.4 External Components.................................................................................8

1.5 General Description....................................................................................9

1.5.1 Glossary ....................................................................................10

1.5.2 Initialisation...............................................................................11

1.5.3 ISDN Interface............................................................................11

1.5.3.1 Activation.....................................................................11

1.5.3.2 De-activation or Line Disconnection .............................11

1.5.3.3 Line Failure Detection ..................................................11

1.5.3.4 Incoming Calls .............................................................11

1.5.3.5 Multiple Subscriber Numbering.....................................12

1.5.3.6 Channel Mapping.........................................................12

1.5.4 POTS Configuration..................................................................13

1.5.4.1 Configuration and Control via DTMF Keypad................13

1.5.5 POTS Operation ........................................................................15

1.5.5.1 Keypad Operation ........................................................15

1.5.5.2 Incoming POTS Calls...................................................15

1.5.5.3 Outgoing POTS Calls...................................................15

1.5.5.4 Connected Calls...........................................................16

1.5.5.5 Call Clearing ................................................................16

1.5.6 Application Programmer's Interface ........................................17

1.5.7 Hardware Description ...............................................................17

1.5.7.1 LED Status Indicators (LED1 to LED9, and ILFI)..........17

1.6 Application Notes .....................................................................................18

1.6.1 General ......................................................................................18

1.6.2 Approvals ..................................................................................18

1.7 Performance Specification.......................................................................19

1.7.1 Electrical Performance..............................................................19

1.7.1.1 Absolute Maximum Ratings..........................................19

1.7.1.2 Operating Limits...........................................................19

1.7.1.3 Operating Characteristics.............................................20

1.7.2 Packaging..................................................................................25

Note: This product is in development: Changes and additions will be made to this

specification. Items marked TBD or left blank will be included in later issues.

Information in this data sheet should not be relied upon for final product design.

© 1999 Consumer Microcircuits Limited

2

© 1999 Chiron Technology Limited

D/208/1

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