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7.1.1HardDecisionData
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Endianness
Figure71.EN=0(Big-EndianMode)Rate=3/4
WordWord
NN+1
SP4SP3SP2SP1SP0SP9SP8SP7SP6SP5
000A0X00000X1
WordWord
N+2N+3
SP4SP3SP2SP1SP0SP9SP8SP7SP6SP5
0000X20A3'00X3
WordWord
N+4N+5
SP4SP3SP2SP1SP0SP9SP8SP7SP6SP5
0000X40000X5
1.OUT_ORDER=0EN=1(Little-EndianMode)
OUT_ORDER=0resultsinorderingtheharddecisiondatafrom0to31inthe32-bitwordoutput.
Figure72.SourceofEndiannessManager-OrderingofHardDecisionsin32-BitWord
(OUT_ORDER=0)
6362323110
StageStageStageStageStageStage
NN-1N-31N-32N-62N-63
Figure73.DestinationofEndiannessManager-OrderingofHardDecisionsin32-BitWord
(OUT_ORDER=0)
6362323110
StageStageStageStageStageStage
NN-1N-31N-32N-62N-63
2.OUT_ORDER=1EN=1(Little-EndianMode)
OUT_ORDER=1resultsinorderingtheharddecisiondatafrom32to0inthe32-bitwordoutput.
Figure74.SourceofEndiannessManager-OrderingofHardDecisionsin32-BitWord
(OUT_ORDER=1)
6362323110
StageStageStageStageStageStage
NN-1N-31N-32N-62N-63
Figure75.DestinationofEndiannessManager-OrderingofHardDecisionsin32-BitWord
(OUT_ORDER=1)
6362323110
StageStageStageStageStageStage
N-31N-30NN-63N-33N-32
3.OUT_ORDER=0,EN=0(Big-EndianMode)
Figure76.SourceofEndiannessManager-TrellisStageOrderingofHardDecisionsin32-BitWord
(OUT_ORDER=0)
6362323110
StageStageStageStageStageStage
NN-1N-31N-32N-62N-63
SPRUGK1–March2009TMS320C6457Turbo-DecoderCoprocessor253
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