L64780 LSI Logic Corporation, L64780 Datasheet - Page 65
L64780
Manufacturer Part Number
L64780
Description
Dvb-t Cofdm Demodulator Technical Manual 2/00
Manufacturer
LSI Logic Corporation
Datasheet
1.L64780.pdf
(126 pages)
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HP_CODE_RATE
TPS Registers
When this register is written, these bits store the next
Viterbi Code Rate for the Low-Priority stream value that
the system uses. The values are:
The initial condition for the LP_CODE_RATE is 0b000
(1/2).
Viterbi High-Priority Code Rate
When this register is read, these bits provide the last
value received by the channel, using the TPS signalling
information.
When this register is written, these bits store the next
Viterbi Code Rate for the High-Priority stream value that
the system uses. The values are:
The initial condition for these bits is 0b001 (2/3).
HP_CODE_RATE[2:0] Definition
LP_CODE_RATE[2:0]
0
0
0
0
1
1
1
1
000
001
010
011
100
101
110
111
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Definition
1/2 Code Rate
2/3 Code Rate
3/4 Code Rate
5/6 Code Rate
7/8 Code Rate
Reserved
Reserved
Reserved
1/2 Code Rate
2/3 Code Rate
3/4 Code Rate
5/6 Code Rate
7/8 Code Rate
Reserved
Reserved
Reserved
R/W [2:0]
4-13
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