Digitally Controlled Analog I/O Processor

2

MX839 PRELIMINARY INFORMATION

© 1998 MX

xCOM Inc.

www.mxcom.com Tele: 800 638-5577 336 744-5050

Fax: 336 744-5054

Doc. # 20480164.002

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

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CONTENTS

Section

Page

1

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

2

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

3

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

4

General Description ....................................................................................................................... 6

4.1

Variable Attenuators............................................................................................................................... 6

4.2

Digital to Analog Converters................................................................................................................... 6

4.3

Analog to Digital Converter and A/D Clock Generator ........................................................................... 6

4.4

Magnitude Comparators and Interrupt Request ..................................................................................... 7

4.5

Software Description .............................................................................................................................. 7

4.6

Read Only Registers (8-Bit and 16-Bit) .................................................................................................. 9

4.7

Write Only Register Description ............................................................................................................. 9

4.8

Read Only Register Description ............................................................................................................ 13

5

Application ..................................................................................................................................... 13

5.1

C-Bus Clock .......................................................................................................................................... 13

6

Performance Specification ........................................................................................................... 14

6.1

Electrical Performance .......................................................................................................................... 14

6.2

Packaging.............................................................................................................................................. 19

MX

xCOM, Inc. reserves the right to change specifications at any time and without notice.