L64704 LSI Logic Corporation, L64704 Datasheet - Page 140

• Manufacturer Part Number: L64704
• Description: Satellite Decoder Technical Manual 5/97
• Manufacturer: LSI Logic Corporation

Figure 6.7
Minimum and
Maximum Number
of States in the
Tracking Phase
Figure 6.8
MPEG-2 Transport
Packet
6-8
Acquisition
Acquisition
An MPEG-2 RS(204,188) protected transport packet consists of 204
bytes, including 1 sync byte, 187 data bytes, and 16 redundancy bytes.
Figure 6.8
Decoding Pipeline Synchronization
Sync
Byte
Phase
Phase
From
From
Pa
Pa
Tracking Phase (Minimum Number of States)
shows the data format of the MPEG-2 Transport Packet.
Reacquire
MSC = 0
MSC = 0
Pt
Pt
Synchronization State: SST = 00
187 Data Bytes
Pt
Pt
Qt
Qt
Qt
Tracking Phase (Maximum Number of States)
MSC
MSC
= 1
= 1
Loss
of Sync
Synchronization State: SST = 11
204 Bytes
Pt
Qt
MSC
= 2
Pt
Qt
Reacquire
MSC
= 3
RS(204,188)
16 Bytes
Qt
Pt
Qt
MSC
= 4