
Digitally Controlled Analog I/O Processor
2
MX839 PRELIMINARY INFORMATION
1998 MX
x
COM Inc.
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
www.mxcom.com Tele: 800 638-5577 336 744-5050 Fax: 336 744-5054
Doc. # 20480164.002
All trademarks and service marks are held by their respective companies.
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
x
COM, Inc. reserves the right to change specifications at any time and without notice.