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MC92314 Datasheet(PDF) 4 Page - Motorola, Inc

Part No. MC92314
Description  DVB-T Single Chip Demodulator Application Note
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
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 4 page
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MOTOROLA
ANTOC.doc - Rev. 1.3 (11/30/98)
ii
Table of Contents
3.2.2.2 Derotator.............................................................................................3-3
3.2.2.3 Time Synchronisation .........................................................................3-3
3.2.2.4 Channel Estimation ............................................................................3-4
3.2.2.5 Channel Estimation RAM ...................................................................3-4
3.2.2.6 Channel Correction.............................................................................3-4
3.2.2.7 Channel State Estimation ...................................................................3-4
3.2.2.8 Inner Deinterleaver .............................................................................3-5
3.2.2.9 Symbol Demapper and Bit Deinterleaver ...........................................3-5
3.2.2.10 Data Formatter ...................................................................................3-5
3.2.3 FEC Block .....................................................................................................3-6
3.2.3.1 Node Synchroniser .............................................................................3-6
3.2.3.2 Viterbi Error Correction.....................................................................3-12
3.2.3.3 Frame Synchronisation.....................................................................3-18
3.2.3.4 Deinterleaver ....................................................................................3-23
3.2.3.5 Reed-Solomon Decoder ...................................................................3-24
3.2.3.6 Descrambler .....................................................................................3-28
Section 4
DVB-T DEMODULATOR INTERFACES
4.1 General Purpose Outputs ...................................................................................4-1
4.2 I2C Interface .......................................................................................................4-1
4.2.1 I2C Functionality............................................................................................4-2
4.2.1.1 Start Condition....................................................................................4-2
4.2.1.2 Stop Condition ....................................................................................4-3
4.2.1.3 Transmitting “1” and “0” ......................................................................4-3
4.2.1.4 Data Transfer Sequence ....................................................................4-3
4.2.1.5 Accessing Registers via I2C...............................................................4-4
4.2.1.6 I2C Interface of the MC92314 ............................................................4-5
4.2.2 I2C Register Maps of the MC92314 ..............................................................4-7
4.2.2.1 Register Map for the OFDM Part........................................................4-8
4.2.2.2 Register Map for the FEC Part .........................................................4-17
4.3 Tuner Interface .................................................................................................4-25
4.3.1 General Tuner Characteristics ....................................................................4-25
4.3.2 Clock Signals...............................................................................................4-26
4.3.3 Input from the Tuner Analog-to-Digital Converter .......................................4-27
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com




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