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): 72/126頁
文件大?。?/td> 953K
代理商: L64780
4-20
Register Descriptions
4.4.3 Address Line 0x09
SOFTBIT
Soft Decision Number of Bits
This bit determines if a 3-bit (0) or a 4-bit (1) soft decision
is used. The initial condition for this bit is 1.
R/W 7
BDI_DISABLE
BDI Disable
If this bit is 1, the Bit Deinterleaver is disabled; if this bit
is 1, the Bit Deinterleaver is enabled. The initial condition
for this bit is 0, the Normal Operational Mode.
R/W 6
SDI_DISABLE
SDI Disable
If this bit is 1, the Symbol Deinterleaver is disabled; if this
bit is 0, the Symbol Deinterleaver is enabled. The initial
condition for this bit is 0, the Normal Operational Mode.
R/W 5
DOF_OUTPUT_FORMAT
Chip Output Format
These bits select the output format of the L64780 towards
the FEC decoder chip. The different formats are
described in
Section 3.4, “Microprocessor Interface.”
There are three modes:
When in Nonhierarchical mode, two submodes are
provided: Serial and Parallel. In Serial Mode, data is
presented only on SD0. In Parallel Mode, data is pre-
sented on SD0 and SD1.
When in Hierarchical mode with only one FEC chip,
either the HP stream or the LP Stream is presented.
R/W [4:3]
7
6
5
4
3
2
1
0
0x09
SOFTBIT
BDI_
DISABLE
SDI_
DISABLE
DOF_OUTPUT_
FORMAT
DDFS_
DISABLE
DDFS_
MODE
ADCON
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