GS1582-IBE3 View Datasheet(PDF) - Semtech Corporation

Part Name

Description

Manufacturer

GS1582-IBE3

Multi-Rate Serializer with Cable Driver, Audio Multiplexer and ClockCleaner™

Semtech Corporation 

Table 4-8: Audio Control Packet Word Descriptions (Continued)

Name

No. of

Words

DELD0-

3

3

RSRV

2

CS

1

Description

Ch4 Delay Data

Reserved Words

Checksum. Calculates the

sum of lower 9 bits of 22

words from DID

Data

Auto-Generation

–

200h

–

27-bit Host

Interface setting

Yes

Yes

4.7.9.2 HD Formats

In HD mode, the control packets are inserted in the first line after the blanking line in the

Luma channel in the first available space.

Figure 4-16 shows the structure of the HD audio control packet as defined in SMPTE

299M. An audio control packet is multiplexed once per field in the luma channel of the

video data stream. Table 4-9 lists descriptions of the individual audio control packet

words. The audio core automatically generates certain audio control packet words.

User Data Words

Figure 4-16: HD Audio Control Packet Structure

Table 4-9: Audio Control Packet Word Descriptions

Name

ADF

No. of

Words

3

DID

1

DBN

1

DC

1

AF

1

Description

Ancillary Data Flag

Audio Group Data ID

Data Block Number

Data Count

Audio Frame Number

Data

000h

3FFh

3FFh

1E3h

2E2h

2E1h

1E0h

200h

10Bh

–

Auto-Generation

Yes

See Table 4-10

Yes

Yes

Yes

GS1582 Multi-Rate Serializer with Cable Driver, Audio

Multiplexer and ClockCleanerTM

Data Sheet

40117 - 4

December 2011

47 of 115

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