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2004 Jan 26 54
Philips Semiconductors Product specification
MPEG-2 video and MPEG-audio/AC-3
audio encoder with multiplexer
SAA6752HS
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Table 24 I
2
C-bus multiplexer: general (static settings)
ADR
HEX
M
COMMAND
NAME
R/W SIZE/POSITION PARAMETER/RANGE DEFAULT DESCRIPTION
B0 I output stream
format
R/W 1 byte PS (DVD) Selects the MPEG-2 output format (see
SAA6752HS output stream formats for details):
bit[2:0] = 000 ES video (VES) Elementary Stream (ES):
Elementary stream output is possible for audio
or video only encoding.
bit[2:0] = 001 ES audio (AES)
bit[2:0] = 010 PES (DVD) Packetized Elementary Stream (PES):
DVD-compliant: PES packets have a limited
size and can be easily multiplexed into a DVD
program stream.
TS-compliant: PES packets have an unlimited
size and can be easily multiplexed into a
transport stream.
PES packets containing audio and video
information are flagged with an audio/video
signal pin. The audio/video polarity of the
signal pin is programmable.
bit[2:0] = 011 PES (TS)
bit[2:0] = 100 PS (DVD) Program Stream (PS):
A DVD-compliant program stream is generated,
but no navigation packs are inserted.
bit[2:0] = 101 TS Transport Stream (TS):
A transport stream is generated.
bit[2:0] = 110 pack stream Pack stream is a special not MPEG-compliant
mode. The MPEG buffer model is not used.
bit[2:0] = 111 VES + AES VES + AES mode allows VES output from the
output port at the same time as an SPDIF
formatted AES is output from the 2nd I
2
S audio
port. For this mode subaddress 92H must be
set to zero.
B1 I maximum
system bit rate
R/W 2 bytes <27000; note 1 10080 Maximum target bit rate of the system stream
in kbit/s (= 1000 bit/s) and must be set if TS or
PS or pack stream modes are selected. It is
ignored if ES or PES streams are selected.
B2 I number of
flushing bytes
R/W 2 bytes − 0 Number of flushing bytes appended to the
stream after a stop.