SAA7205 Philips Semiconductors, SAA7205 Datasheet - Page 14

• Manufacturer Part Number: SAA7205
• Description: MPEG-2 systems demultiplexer
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Table 2 Microcontroller accessible MPEG-2 systems information
1997 Jan 21
handbook, full pagewidth
Transport packet
header
PES header
MPEG-2 systems demultiplexer
PKTBAD/PKTBAD
PKTBAD/PKTBAD
POSITION
PKTSYNC
PKTBCLK
PKTDATV
PKTDAT7
PKTDAT0
to
NUMBER OF BITS
Fig.4 Signal constellation FEC decoder - demultiplexer interfacing.
CORRECTOR
FORWARD
message
ERROR
2
2
1
1
1
7
transport_scrambling_control
(bits: ts_scr_ctrl1 and 0)
PES_scrambling_control
(bits: pes_scr_ctrl1 and 0)
copyright (bit: cp_info1)
original_or_copy (bit: cp_info0)
additional_copy_info_flag
(bit: ad_cp_flag)
additional_copy_info
(bits: ad_cp_info7 to 0)
error-free transport packet (programmable polarity)
8 PKTDAT7 to PKTDAT0
invalid data
PKTBAD/PKTBAD
erroneous transport packet
FIELD NAME
PKTSYNC
PKTBCLK
PKTDATV
14
CCLKI
message
indicates whether the associated bit
stream is scrambled or not
indicates whether the associated
PES payload is scrambled or not
anticopy management
anticopy management
anticopy management
anticopy management
DEMULTIPLEXER
FUNCTION
Preliminary specification
invalid data
SAA7205H
MGG375