参数资料
型号: L64007
厂商: LSI CORP
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP160
封装: PLASTIC, QFP-160
文件页数: 94/166页
文件大小: 1015K
代理商: L64007
Arch
25 Wed May 28 17:36:23 1997
Draft 1/21/97
L64007 MPEG-2, DVB, JSAT Transport Demultiplexer Technical Manual
2-25
PRE.4 for Rev. D
Copyright 1997 by LSI Logic Corporation. All rights reserved.
beginning of the section header indicates byte stufng, and all data
up to the end of the transport packet is discarded.
Figure 2.21
Section Discarding
After No Match
Post section data and Private data ltering are executed in the same
way: the matched section header and data are transferred to the MMU.
This lter implementation has important consequences for both the data
contained in the transport packets and other circuitry in the transport
demultiplexing function.
To match each byte against 32 different patterns means either:
matching all 32 at once,
matching less than 32 at once and stalling the input data ow until
all 32 have been matched, or
running at a clock frequency 32 times the incoming data rate.
Section
Header
Section Payload
Section
Header
Section Payload
Section
Header
Section Payload
no match
match
Section
Header
Section Payload
Section
Header
Section Payload
discarded
Mask
Match
Patterns
match
0
Match
Posted
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