參數(shù)資料
型號: L64780
廠商: LSI Corporation
英文描述: DVB-T COFDM Demodulator(對地?cái)?shù)字視頻廣播 正交編碼頻率分割多路處理解調(diào)器)
中文描述: 的DVB - T COFDM解調(diào)器(對地?cái)?shù)字視頻廣播正交編碼頻率分割多路處理解調(diào)器)
文件頁數(shù): 43/126頁
文件大?。?/td> 953K
代理商: L64780
Output Interface
3-7
When a set of soft decisions is received from the Bit Deinterleaver block
in 16 QAM (HP or LP selected) or in 64 QAM (only HP selected), two
soft decisions are transmitted over SD0. The result is that DVOUT is
asserted for two of six 54 MHz clock cycles. See
Figure 3.13
.
Figure 3.13 Hierarchical, One FEC Decoder Mode With 16 QAM (HP or LP Selected) or
64 QAM (LP Selected only)
When a set of soft decisions is received from the Bit Deinterleaver block,
and the DOF function is configured in 64 QAM with the LP data stream
selected, four consecutive soft decisions must be transmitted over SD0.
Thus, DVALIDOUT is asserted for four of six 54 MHz clock cycles.
See
Figure 3.14
.
Figure 3.14 Hierarchical, One FEC Decoder Mode With 64 QAM (HP Selected Only)
\
CLKOUT54
SD00
SD01
SD02
SD03
SD0[3:0]
DVOUT
CLKOUT54
SD04
SD05
SD06
SD07
SD00
SD01
SD02
SD03
SD0[3:0]
DVOUT
相關(guān)PDF資料
PDF描述
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