L64105 LSI Logic Corporation, L64105 Datasheet - Page 116

• Manufacturer Part Number: L64105
• Description: Mpeg-2 Audio/video Decoder
• Manufacturer: LSI Logic Corporation

Figure 4.47
4-34
Audio Stream Select Enable [2:0]
7
Register 143 (0x08F)
Audio Stream ID [4:0]
Audio Stream Select Enable [2:0]
Register Descriptions
5
This field is used to select a particular audio stream in the
type enabled by the following Audio Stream Select
Enable field.
These bits select the type of audio stream that is to be
processed by the L64105 according to the following table.
Audio Stream
Select Enable
0b000
0b001
0b010
0b011
0b100
0b101
0b110–0b111
1.
2.
3.
In mode 0b001 (MPEG ID selected), the MPEG audio
stream is assumed to be MPEG-1 audio or MPEG-2
audio without extensions. The audio stream comes in a
single ID programmed in the Audio Stream ID field
above.
In mode 0b100 (All MPEG Audio IDs), no audio streams
are filtered out. Use this mode when you know that only
one audio stream is in the incoming bitstream.
In mode 0b101 (MPEG audio multichannel with
extension), the main audio stream ID is programmed in
the Audio Stream ID field above and the extension is
programmed in the MPEG Audio Extension Stream ID
field in Register 124
4
channel.
Description
Always discard (off). No audio data is put in
MPEG ID selected
Linear PCM Stream ID selected
Reserved
All MPEG Audio IDs
MPEG audio multichannel with extension
Always discard (off)
Audio Stream ID [4:0]
(page
4-30).
1
2
W [4:0]
W [7:5]
0
3