SAA7205 データシートの表示（PDF） - Philips Electronics

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SAA7205

MPEG-2 systems demultiplexer

Philips Electronics 

Philips Semiconductors

MPEG-2 systems demultiplexer

Preliminary specification

SAA7205H

Table 2 Microcontroller accessible MPEG-2 systems information

POSITION

Transport packet

header

PES header

NUMBER OF BITS

2

2

1

1

1

7

FIELD NAME

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)

FUNCTION

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

handbook, full pagewidth

PKTBCLK

PKTDAT7

to

PKTDAT0

PKTSYNC

PKTDATV

PKTBAD/PKTBAD

PKTBAD/PKTBAD

FORWARD

ERROR

CORRECTOR

8 PKTDAT7 to PKTDAT0

PKTBCLK

PKTDATV

PKTBAD/PKTBAD

PKTSYNC

CCLKI

DEMULTIPLEXER

message

invalid data

message

invalid data

error-free transport packet (programmable polarity)

erroneous transport packet

MGG375

1997 Jan 21

Fig.4 Signal constellation FEC decoder - demultiplexer interfacing.

14

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