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參數資料
型號: L64007
廠商: LSI CORP
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP160
封裝: PLASTIC, QFP-160
文件頁數: 32/166頁
文件大小: 1015K
代理商: L64007
register
45 Wed May 28 17:37:25 1997
Draft 1/21/97
L64007 MPEG-2, DVB, JSAT Transport Demultiplexer Technical Manual
4-45
PRE.4 for Rev. D
Copyright 1997 by LSI Logic Corporation. All rights reserved.
4.10
Address
Mapping
Register Files in
Groups 0-3
This section describes the AMRFs in Groups 0-3, which are responsible
for controlling the operation of cyclic buffers for PID indexes 0 through 31
and the adaptation eld buffer. The cyclic buffers for PID Index 30 and
PID Index 31 (Groups 1 and 2) are devoted to storing PES audio and
video streams, respectively; therefore, they vary slightly from those of the
other PIDs. The registers associated with the audio and video channels
are available only when the extended channel buffer mode for is set for
a particular buffer.
Group 3 also includes an AMRF set that can be programmed similarly to
those in Groups 1 and 2; this set, however, is used for the adaptation
elds of all PIDs.
The following formula gives the hexadecimal address of each AMRF in
Groups 0 through 2:
Address(R, N) = base address + (0x10)
N + R
where the base address = 0xFFC08, N = PID number in hex (0x0
through 0x1F), and R = AMRF number as dened in Table 4.2 for each
group of registers. For the address of each MMU register in Group 3, let
N = 61 (0x3D).
Table 4.2
AMRF by Group
Number
Note the following caveats when reading from, or writing to, the AMRFs:
Write operations to AMRFs for which R > 1 are acknowledged, but
no actual writes occur.
Write operations to AMRFs for which R = 0 update the WAR and
LAR/RAR.
AMRF Number,
R
Register Name
Group 0
Groups 1 and 2
Groups 3
0
Start Address
1
End Address
2
Write Address
3
Last Section Address
Read Address
4
Extension Address
Extension Address Extension Address
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相關代理商/技術參數
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L64010ADMB 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Multiplier/Accumulator
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