CMX980AL7 Ver la hoja de datos (PDF) - MX-COM Inc
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CMX980AL7 Datasheet PDF : 82 Pages
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Digital Radio Baseband Processor
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CMX980A Advance Information
4.8 Register Description .......................................................................................................... 18
4.8.1 Key to Register Map............................................................................................................. 18
4.8.2 Register Reset State ............................................................................................................ 18
4.8.3 Register and Access Point Summary................................................................................... 19
5 Application Notes ........................................................................................................ 64
5.1 Interrupt Handling .............................................................................................................. 64
5.1.1 Tx FIFO status interrupts...................................................................................................... 64
5.1.2 Tx/Rx FIR filter tap overflow and Gain, Phase and Offset overflow interrupts ..................... 64
5.1.3 Rx ADC I and Q channel overflow - due to excessive input amplitude interrupts ................ 64
5.2 Configuration ..................................................................................................................... 64
5.3 Reset ................................................................................................................................. 64
5.4 Developing and Optimizing FIR Filter Coefficients ............................................................ 64
5.4.1 Tx Path Details ..................................................................................................................... 65
5.4.2 Rx Path Details..................................................................................................................... 66
5.4.3 General Procedure for Reconfiguring the CMX980A FIR Filters.......................................... 67
5.5 Receiver Re-Synchronization ............................................................................................ 68
5.6 Guidelines for use of Power Save Modes ......................................................................... 69
5.6.1 Auxiliary Section................................................................................................................... 69
5.6.2 Tx Section ............................................................................................................................ 69
5.6.3 Rx Section ............................................................................................................................ 69
5.6.4 Tx and Rx Bias Section ........................................................................................................ 69
5.6.5 Serial Interface Section ........................................................................................................ 69
6 Performance Specification.......................................................................................... 70
6.1 Electrical Performance ...................................................................................................... 70
6.1.1 Absolute Maximum Ratings.................................................................................................. 70
6.1.2 Operating Limits ................................................................................................................... 71
6.1.3 Operating Characteristics..................................................................................................... 72
6.2 Packaging.......................................................................................................................... 82
MX-COM, Inc. reserves the right to change specifications at any time and without notice.
2000 MX-COM, Inc.
www.mxcom.com tel: 800 638 5577 336 744 5050 fax: 336 744 5054
Doc. 20480201.001
4800 Bethania Station Road, Winston-Salem, NC 27105-1201, USA
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