參數(shù)資料
型號: L64780
廠商: LSI Corporation
英文描述: DVB-T COFDM Demodulator(對地數(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(對地數(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): 67/126頁
文件大?。?/td> 953K
代理商: L64780
TPS Registers
4-15
the active TPS register) differ, the TPS_INFO_CHANGE
bit is set to 1 for one CLK18 clock cycle. When the
TPS_INFO_CHANGE interrupt is enabled and this event
occurs, the DTTV demodulator generates an interrupt to
the external microcontroller. The rule for the
TPS_INFO_CHANGE applies to all TPS data bits except
for the frame number.
HIERARCHY
COFDM Nonuniform Constellation Ratio
When this register is read, these bits provide the last
value received by the channel, using the TPS signalling
information.
R/W [4:2]
When this register is written, these bits store the next
Constellation expansion ratio that the system uses. The
values are:
The initial condition for the HIERARCHY is 0b000
(Nonhierarchical).
HIERARCHY[2:0]
Definition
000
001
010
011
100
101
110
111
Nonhierarchical
α
1
=
α
2
=
α
4
=
Reserved
Reserved
Reserved
Reserved
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