Baseband Signal Processor
2
MX829 PRELIMINARY INFORMATION
CONTENTS
Section
Page
1. Block Diagram ................................................................................................................................ 3
2. Signal List ....................................................................................................................................... 4
3. External Components..................................................................................................................... 5
4. General Description ....................................................................................................................... 6
4.1 Audio Filtering ........................................................................................................................................... 6
4.2 MOD1 and MOD2 Attenuators .................................................................................................................. 6
4.3 DTMF Encoder .......................................................................................................................................... 6
4.4 MSK Tx...................................................................................................................................................... 6
4.5 MSK Rx ..................................................................................................................................................... 6
5. Software Description...................................................................................................................... 7
5.1 Address/Commands.................................................................................................................................. 7
5.2 Write Only Register Description ................................................................................................................ 8
5.3 Read Only Register Description ............................................................................................................... 14
5.4 MSK Checksum Generation and Checking.............................................................................................. 15
6. Application ..................................................................................................................................... 17
6.1 Programming the MX829 ......................................................................................................................... 18
7. Performance Specification ........................................................................................................... 20
7.1 Electrical Performance ............................................................................................................................. 20
7.2 Packaging................................................................................................................................................. 27
MX•COM, Inc. reserves the right to change specifications at any time and without notice
© 1998 MX•COM Inc.
www.mxcom.com Tele: 800 638-5577 336 744-5050 Fax: 336 744-5054
Doc. # 20480160.004
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
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CMLMICRO [ CML MICROCIRCUITS ]
