CMX605(1999) 데이터 시트보기 (PDF) - MX-COM Inc

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CMX605
(Rev.:1999)

Digital Line to POTS Interface

MX-COM Inc  

Digital Line to POTS Interface

2

CMX605 Preliminary Information

Section

CONTENTS

Page

1 Block Diagram................................................................................................................ 3

2 Signal List....................................................................................................................... 4

3 External Components.................................................................................................... 5

4 General Description....................................................................................................... 5

4.1 Xtal Osc and Clock Dividers ................................................................................................ 5

4.2 Uncommitted Amplifier ........................................................................................................ 5

4.3 Tone/FSK Encoder and Tone Encoder ............................................................................... 6

4.4 SPM Generator.................................................................................................................... 8

4.5 Tx Signal Control ................................................................................................................. 8

4.6 Tx UART.............................................................................................................................. 9

4.7 DTMF Tone Decoder........................................................................................................... 9

4.8 ‘C-BUS’ Interface............................................................................................................... 11

4.9 ‘C-BUS’ Registers.............................................................................................................. 11

5 Application ................................................................................................................... 12

5.1 Telecom Tones.................................................................................................................. 13

6 Performance Specification.......................................................................................... 17

6.1 Electrical Performance ...................................................................................................... 17

6.1.1 Absolute Maximum Ratings.................................................................................................. 17

6.1.2 Operating Limits ................................................................................................................... 17

6.1.3 Operating Characteristics..................................................................................................... 18

6.1.4 Timing................................................................................................................................... 21

6.2 Packaging.......................................................................................................................... 22

MX-COM, Inc reserves the right to change specifications at any time and without

notice.

©1999 MX-COM, Inc.

www.mxcom.com tel: 800 638 5577 336 744 5050 fax: 336 744 5054

Doc. # 20480195.003

4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA

All trademarks and service marks are held by their respective companies.

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